All Ruby Solutions on Gang of Coders

Total of 1722 Ruby Solutions

Best practices with STDIN in Ruby?

Can't Install ffi -v '1.9.18' on macos Catalina

Ruby on-Rails Ruby

Implementation of "Remember me" in a Rails application

Ruby on-Rails Ruby Http

JavaScript file per view in Rails

Javascript Ruby on-Rails Ruby

Ruby on Rails: errors.add_to_base vs. errors.add

Ruby on-Rails Ruby Validation Model

Is there a shorter way to require a file in the same directory in ruby?

Ruby Path Require

What makes Ruby slow?

Ruby Performance Garbage Collection Dynamic Languages

Is there a way in Ruby/Rails to execute code that is in a string?

Ruby on-Rails Ruby Scripting

Ruby templates: How to pass variables into inlined ERB?

Ruby Templates Syntax Erb

How to break outer cycle in Ruby?

Ruby Loops Cycle

Difference between block and &block in Ruby

Why does explicit return make a difference in a Proc?

Ruby Return Proc Object

How to get the number of days in a given month in Ruby, accounting for year?

How to use ActiveRecord in a ruby script outside Rails?

Ruby on-Rails Ruby Activerecord Scripting

How do I make Ruby 1.9 the default Ruby on Ubuntu?

Ruby Ubuntu Ruby 1.9

Ruby 1.9 hash with a dash in a key

Ruby Syntax Hash Ruby 1.9

Magic First and Last Indicator in a Loop in Ruby/Rails?

Ruby on-Rails Ruby Syntactic Sugar

How to access attributes using Nokogiri

Ruby Nokogiri Builder

Rails 3 - no such file to load -- openssl

Ruby on-Rails Ruby Ruby on-Rails-3 Openssl Rvm

Ruby global match regexp?

How to get all class names in a namespace in Ruby?

Ruby on Rails: alias_method_chain, what exactly does it do?

Ruby on-Rails Ruby

Skip over iteration in Enumerable#collect

Ruby Enumerable

What is the difference between %w{} and %W{} upper and lower case percent W array literals in Ruby?

How do I use the Enumerable mixin in my class?

How to create a deep copy of an object in Ruby?

Ruby on-Rails Ruby Object Copy Deep Copy

Checking if a variable is defined in SASS

Why is Ruby unable to verify an SSL certificate?

Ruby Api Openssl Certificate

In Ruby, what's the relationship between 'new' and 'initialize'? How to return nil while initializing?

Ruby Constructor Return New Operator Initializer

Sublime Text 2 console input

Python Ruby Sublimetext2

ruby module_function vs including module

Ruby Module Mixins

Can FactoryBot generate factories after your models have been created?

Ruby on-Rails Ruby Factory Bot

What does <%== %> do in rails erb?

Ruby on-Rails Ruby Ruby on-Rails-3 Erb

Get last day of the month in Ruby

Ruby Date Datetime

How do I make HTTParty ignore SSL?

Ruby Ssl Httparty

TypeError: no implicit conversion of Symbol into Integer

Ruby on-Rails Ruby

What are the differences between rbenv, rvm, and chruby?

Ruby Rvm Rbenv Chruby

Why is it best to store a telephone number as a string vs. integer?

Ruby on-Rails Ruby Ruby on-Rails-3 Postgresql Ruby on-Rails-4

RSpec any_instance deprecation: how to fix it?

Ruby on-Rails Ruby Testing Rspec

Passing headers and query params in HTTparty

Ruby on-Rails Ruby Http Headers Httparty

Add nullable foreign key in Rails

Ruby on-Rails Ruby Ruby on-Rails-4 Rails Activerecord Ruby on-Rails-4.2

Error installing nokogiri: Failed to build gem native extension & libiconv is missing (OSX)

Ruby on-Rails Ruby Nokogiri Homebrew Osx Yosemite

Rails - The system cannot find the path specified

Ruby on-Rails Ruby Windows

Why doesn't Ruby have a real StringBuffer or StringIO?

Ruby String Io Buffer

Overriding a module method from a gem in Rails

Ruby on-Rails Ruby Gem Will Paginate

Odd (or even) entries in a Ruby Array

File.open, open and IO.foreach in Ruby, what is the difference?

Converting upper-case string into title-case using Ruby

Ruby 1.9: how can I properly upcase & downcase multibyte strings?

Ruby Unicode Utf 8 Internationalization Multibyte

Is assignment in a conditional clause good ruby style?

Ruby Coding Style

Execute a Rake task from within migration?

Ruby on-Rails Ruby Migration

Ruby: convert string to date

Ruby String Date

Get a class by name in Ruby?

How to count lines of code?

Ruby on-Rails Ruby Ruby on-Rails-3

How do you run a single test/spec file in RSpec?

Ruby Testing Rspec

Double colons before class names in Ruby?

Ruby on-Rails Ruby

What does the underscore mean in literal numbers?

how to use ruby " case ... when " with inequalities?

Ruby Switch Statement

Ruby on rails - Static method

Ruby Oop Static Methods

Logging in Sinatra?

Ruby Logging Sinatra Rack

How to filter parameters in rails?

Ruby on-Rails Ruby Filtering

Ruby code to get the date of next Monday (or any day of the week)

Add gem to gemfile with bundler from command line

Ruby Gem Bundler

How can I install Ruby 1.9.3 in Mac OS X Lion?

Ruby Macos Osx Lion

How to get PID of current rake task?

Ruby Shell Rake

How to sum properties of the objects within an array in Ruby

Ruby Arrays Object Sum Inject

"Uninitialized constant" error when including a module

Ruby on-Rails Ruby Ruby on-Rails-3.1

Ruby CSV - get current line/row number

Get class location from class object

Create .ruby-version and .ruby-gemset with rvm

Ruby on-Rails Ruby Rvm Gemset

Rails Migration: How to increase column data type size by using ROR migration

Ruby on-Rails Ruby Migration

Bundle not working with rbenv

Ruby Bundler Rbenv

A method with an optional parameter

Undefined instance method "respond_to" in Rails 5 API Controller

Ruby on-Rails Ruby Rest Ruby on-Rails-5

Can you monkey patch methods on core types in Python?

Python Ruby Programming Languages Monkeypatching Fluent Interface

Standard File Naming Conventions in Ruby

Ruby File Naming Conventions Conventions

How to find an item in array which has the most occurrences

Getting an ASCII character code in Ruby using `?` (question mark) fails

Ruby Char Ascii

How to do case-insensitive order in Rails with postgresql

Ruby on-Rails Ruby Postgresql Sql Order-By Case Insensitive

how do I get name of the month in ruby on Rails?

Ruby on-Rails Ruby

How do I test if all items in an array are identical?

How can I uninstall Ruby on ubuntu?

Ruby on-Rails Ruby Ubuntu Uninstallation

How to get activerecord associations via reflection

Ruby Reflection Activerecord

Ruby post title to slug

Ruby String Lowercase Gsub

Read, edit, and write a text file line-wise using Ruby

Getting a substring in Ruby by x number of chars

How do I convert hash keys to method names?

How to make carrierwave delete the file when destroying a record?

Ruby on-Rails Ruby Carrierwave

ActiveModel::MissingAttributeError occurs after deploying and then goes away after a while

Ruby on-Rails Ruby Activemodel

File opening mode in Ruby

Ruby File Posix

Ruby/Rails - Get the last two values in an array

Ruby on-Rails Ruby

Comparing two arrays ignoring element order in Ruby

Ruby Arrays Comparison

Which Ruby memoize pattern does ActiveSupport::Memoizable refer to?

Ruby Ruby on-Rails-3 Activesupport Memoization

Why is Ruby's Date class automatically loaded but DateTime is not?

Determine Location Of Ruby Gems

Ruby Ruby on-Rails-3 Rubygems

Parsing XML with Ruby

Ruby Xml Parsing

Gem file with git remote failing on heroku push

Ruby on-Rails Ruby Git Heroku Bundler

Equivalent of “pass” in Ruby

What is a good way to get the filename from a URL in Ruby?

Setting Elastic search limit to "unlimited"

Ruby Elasticsearch

How to force Ruby string to n characters

Ruby String Variables String Length

Calculating Median in Ruby

How to install PostgreSQL's pg gem on Ubuntu?

Ruby Postgresql Pg

How to do named capture in ruby

How to convert array of ActiveRecord models to CSV?

Ruby on-Rails Ruby Csv

Irregular bootstrap column wrapping

Html Css Ruby on-Rails Ruby Twitter Bootstrap

Gem::LoadError: can't activate pg (~> 0.18), already activated pg-1.0.0

Ruby on-Rails Ruby Postgresql Bundler Rails Migrations

Blocks and yields in Ruby

Checking if a variable is not nil and not zero in ruby

Create an ActiveRecord database table with no :id column?

Mysql Ruby on-Rails Ruby Security Activerecord

Determine if a value exists in an array of hashes

Ruby, Generate a random hex color

Undefine variable in Ruby

Ruby Metaprogramming Local Variables

Remove/undef a class method

Ruby Metaprogramming

RVM Ruby 1.9.1 install can't locate zlib but its runtime and dev library are there

Ruby Rubygems Zlib Rvm

DRY Ruby Initialization with Hash Argument

Ruby Initialization Dry Idioms

rails convert string to number

Ruby on-Rails Ruby

How can I clear the terminal in Ruby?

How to use bundler behind a proxy?

Ruby on-Rails Ruby Proxy Rubygems Bundler

Discovering Ruby object members?

Ruby Discoverability

Bundler throws uninitialized constant Gem::SilentUI (NameError) error after upgrading to Rubygems 1.5.0

Ruby Rubygems Bundler

How to set default Ruby version with RVM?

Ruby on-Rails Ruby Rvm Ruby 1.9.2

git, Heroku: pre-receive hook declined

Ruby Git Heroku Rack

How to escape a dash "-" in a Ruby symbol?

Ruby Ruby on-Rails-3 Jquery Mobile

foreman only shows line with “started with pid #” and nothing else

Ruby on-Rails Ruby Heroku Rubygems Foreman

Case-insensitive Array#include?

Does Javascript have something like Ruby's method_missing feature?

Javascript Ruby Metaprogramming

What is a regex to match a string NOT at the end of a line?

Is it possible to have a one line each block in Ruby?

. vs :: (dot vs. double-colon) for calling a method

Raise custom Exception with arguments

Ruby on-Rails Ruby Exception Exception Handling

Get all instance variables declared in class

RSpec: How could I use the array include matcher in the expect syntax

Ruby Unit Testing Rspec

Why does my rails rollback when I try to user.save?

Ruby on-Rails Ruby railstutorial.org

Capistrano SSH::AuthenticationFailed, not prompting for password

Ruby on-Rails Ruby Deployment Capistrano

Check whether a string contains one of multiple substrings

Ruby on-Rails Ruby String Ruby 2.1

Ruby RVM apt-get update error

(JSON::ParserError) "{N}: unexpected token at 'alihack<%eval request(\"alihack.com\")%>

Ruby on-Rails Ruby Json Ruby on-Rails-3

Cannot install Aptana Studio 3.6 on Windows

Ruby Installation Aptana Aptana3

Installing RVM: getting error "There was an error(23)."

Ruby Ubuntu Rvm

migrations: t.references doesn't allow index name to be specified

Ruby on-Rails Ruby

Can I use `else if` over `elsif`?

Add a default value to a column through a migration

Ruby on-Rails Ruby Migration

Does ruby have real multithreading?

Ruby Multithreading Concurrency

How do I dump an object's fields to the console?

Ruby Printf Debugging

Rails Unable to convert unpermitted parameters to hash

Ruby on-Rails Ruby Sorting Parameters Search Form

Catching line numbers in ruby exceptions

Ruby - share logger instance among module/classes

Ruby Logging Class Design

Submit POST data from controller to another website in Rails

Ruby on-Rails Ruby Forms Request Form Submit

calling another method in super class in ruby

list of all/best gems for Ruby?

How to decompress Gzip string in ruby?

Using Rails Migration on different database than standard "production" or "development"

Ruby on-Rails Ruby Database Migration

Rails: named_scope, lambda and blocks

Ruby on-Rails Ruby Lambda

How can I validate exits and aborts in RSpec?

Ruby Rspec Mocking

What's the difference between Ruby and JRuby?

Ruby on-Rails Ruby Jruby

What's the right way to implement equality in ruby

Why do I get an "undefined method for `has_attached_file` when installing PaperClip?

Ruby on-Rails Ruby Paperclip

usage of attr_accessor in Rails

Ruby on-Rails Ruby

Flattening hash into string in Ruby

Ruby on Rails app on Google App Engine

Ruby on-Rails Ruby Google App-Engine Ruby Datamapper

Cannot use RVM-installed Ruby with sudo

What is the best/easy way to validate an email address in Ruby?

Ruby on-Rails Ruby Ruby on-Rails-3

How can I send mail with rails without a template?

Ruby on-Rails Ruby Email Actionmailer

How to remove all elements that satisfy a condition in array in Ruby?

Ruby: What is the easiest method to update Hash values?

What is a Ruby gem?

how to get the current working directory's absolute path from irb

Ruby Irb Working Directory

What are all the common ways to read a file in Ruby?

How to generate HMAC-SHA1 in C#?

C#Java Php Ruby Hmac

Split on different newlines

Ruby Regex Split Newline

Running Rake tasks in Rspec Tests

Ruby Ruby on-Rails-3 Rspec Tdd Rake

How can I reload the current page in Ruby on Rails?

Ruby on-Rails Ruby Ruby on-Rails-3 Url Routing

How to define action with simple form for?

Ruby on-Rails Ruby Ruby on-Rails-3 Simple Form

Ruby Array limit method

Split array up into n-groups of m size?

How to set private instance variable used within a method test?

Ruby Testing Rspec Access Specifier

How to find remainder of a division in Ruby?

Call ruby function from command-line

Ruby Command Line

Viewing a Gem's Source Code

How to split a string into only two parts, by the last occurrence of the split char?

What is the opposite of Array#reject in ruby?

`respond_to?` vs. `respond_to_missing?`

Ruby Metaprogramming

Named parameters in Ruby 2

How can I use unicorn as "rails s"?

Ruby on-Rails Ruby Unicorn

Unpermitted Parameters adding new fields to Devise in rails 4.0

Ruby on-Rails Ruby

How do I alphabetize an array ignoring case?

Ruby Alphabetical Sort

How should I use each_with_object on Hashes?

gem eventmachine fatal error: 'openssl/ssl.h' file not found

Ruby Macos Openssl Homebrew Eventmachine

Installing Nokogiri on OSX 10.10 Yosemite

Ruby Gem Bundler Nokogiri Homebrew

Running a spec in RubyMine results in "cannot load such file -- teamcity/spec/runner/formatter/teamcity/formatter (LoadError)"

Ruby on-Rails Ruby Ruby on-Rails-4 Rspec Rubymine

Error: SASS installation for windows

Switch theme in an existing Jekyll installation

Ruby Jekyll Jekyll Bootstrap

Can't install mysql2 gem on macOS Sierra

Mysql Ruby Macos Rubygems Macos Sierra

Rails: difference between ENV.fetch() and ENV[]

Ruby on-Rails Ruby Ruby on-Rails-5

How do I find the source file for a rake task?

Ruby on-Rails Ruby Rake

How do I get the target of a symlink?

How to create a delete link for a related object in Ruby on Rails?

Ruby on-Rails Ruby Hyperlink

How do I create a reusable block/proc/lambda in Ruby?

Failed to build gem native extension (installing Compass)

Ruby Macos Terminal Compass Sass

What is the Ruby <=> (spaceship) operator?

Ruby Operators Comparison Operators Spaceship Operator

How can I use Ruby to colorize the text output to a terminal?

Ruby Colors Console Application

How do I use helpers in rake?

Ruby on-Rails Ruby Rake Helper

How to I make private class constants in Ruby

Ruby Access Specifier Class Constants

Create a case-insensitive regular expression from a string in Ruby

Rails Object Relationships and JSON Rendering

Ruby on-Rails Ruby Json Activerecord

Ruby: How to group a Ruby array?

Ruby on-Rails Ruby

Understanding private methods in Ruby

Ruby Access Specifier

Problems with the rails console, RVM and readline

Ruby Rvm Readline

Rails Browser Detection Methods

Ruby on-Rails Ruby User Agent Browser Detection

Convert non-ASCII chars from ASCII-8BIT to UTF-8

Ruby Utf 8 Internationalization

How to load a spec_helper.rb automatically in RSpec 2

Ruby Rspec Rspec2

In Rails, how to get current url (but no paths)

Ruby on-Rails Ruby Ruby on-Rails-3

Rails with ruby-debugger throw 'Symbol not found: _ruby_current_thread (LoadError)'

Ruby on-Rails Ruby Ruby Debug

Rails - How do I check developer mode or production mode in code

Ruby on-Rails Ruby Ruby on-Rails-3

Does rspec have anything more specific than target.should be < 6?

Unable to use dot syntax for ruby hash

Ruby Syntax Hash

What's the difference between to_a and to_ary?

Why couldn't twitter scale by adding servers the way sites like facebook have?

Ruby on-Rails Ruby Scala Twitter

How does defining [square bracket] method in Ruby work?

What's the difference between “includes” and “preload” in an ActiveRecord query?

Ruby on-Rails Ruby Activerecord

How to use RSpec without Rails?

Ruby Rspec Tdd Bdd

Ruby - test for array

Override ruby constant in subclass so inherited methods use new constant instead of the old?

Ruby split by whitespace

Ruby Split Whitespace

How to combine one hash with another hash in ruby

Ruby: module, require and include

Ruby Module Mixins

Bundle Install could not fetch specs from https://rubygems.org/

Ruby on-Rails Ruby Gem Bundler railstutorial.org

When do I need to restart server in Rails?

Ruby on-Rails Ruby

If else statements in .html.erb in views

Ruby on-Rails Ruby Model View-Controller

Unexpected Return (LocalJumpError)

How to see the dependency tree just from Gemfile?

Ruby Gem Bundler

What's the difference between "include_examples" and "it_behaves_like"?

Possible to alias a belongs_to association in Rails?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.2 Ruby on-Rails-4

ActionController::UnknownFormat

Ruby Ajax Ruby on-Rails-4 Respond To

Fill array with element N times

Ruby on Rails "invalid byte sequence in UTF-8" due to bot

Ruby on-Rails Ruby Ruby on-Rails-3 Utf 8 Ruby 1.9.3

Array.include? multiple values

RSpec allow/expect vs just expect/and_return

Ruby Testing Rspec Mocking Rspec3

Padding a number with zeros

Why is division in Ruby returning an integer instead of decimal value?

Ruby Math Floating Point Division Integer Division

What is the difference between `try` and `&.` (safe navigation operator) in Ruby

Ruby on-Rails Ruby If Statement Nomethoderror Grape Api

$1 and \1 in Ruby

Rails Model has_many with multiple foreign_keys

Ruby on-Rails Ruby Model Has Many

How can I check from Ruby whether a process with a certain pid is running?

Ruby Process Pid

Constants or class variables in ruby?

Ruby Constants Class Variables

Rails: I can't call a function in a module in /lib - what am I doing wrong?

Ruby on-Rails Ruby

ActiveRecord - querying polymorphic associations

Ruby on-Rails Ruby Activerecord Polymorphic Associations

Ruby design pattern: How to make an extensible factory class?

Ruby Design Patterns

Is there an add_days in ruby datetime?

RSpec: specifying multiple calls to a method with different argument each time

Ruby Testing Rspec

how to read a User uploaded file, without saving it to the database

Ruby on-Rails Xml Ruby

Is there a way to create methods just for the instance of a Ruby class from inside that instance?

How to explicitly fail a task in ruby rake?

p vs puts in Ruby

Iterate through every file in one directory

Ruby Directory Filesystems

difference between collection route and member route in ruby on rails?

Ruby on-Rails Ruby

Pass variables to Ruby script via command line

Ruby Command Line

In Ruby what does "=>" mean and how does it work?

Ruby on-Rails Ruby Operators Symbols Hashrocket

How to remove gem from Ruby on Rails application?

Ruby on-Rails Ruby Rubygems

String#count options

Is overriding to_s methods in Ruby bad?

Ruby multidimensional array

Ruby Multidimensional Array

In Rails, how to add a new method to String class?

Ruby Ruby on-Rails-3 Monkeypatching

Set Attribute Dynamically of Ruby Object

Jekyll - command not found

Ruby Bash Jekyll

Ruby inject with initial being a hash

ide sublime2 how to find method definition

Ruby on-Rails Ruby Sublimetext

Run Rails commands outside of console

Ruby on-Rails Ruby Ruby on-Rails-3 Console

Difference between resource and resources in rails routing?

Ruby on-Rails Ruby Ruby on-Rails-3 Routes

Convert a hash into a struct

Using Ruby, how can I iterate over a for loop n.times

What is the use of Gemfile in rails?

Ruby on-Rails Ruby Gemfile

Get substring after the first = symbol in Ruby

Suppress console output during RSpec tests

rails validation: :allow_nil and :inclusion both needed at the same time

Ruby on-Rails Ruby Validation Inclusion

Rails: respond_to JSON and HTML

Ruby on-Rails Ruby Ruby on-Rails-4 Respond To

Run a single migration file

Ruby on-Rails Ruby Migration

Ruby: What is the easiest way to remove the first element from an array?

Ruby on-Rails Ruby

SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

Ruby on-Rails Ruby Ssl Authlogic Facebook Graph-Api

Force bundle install to use https:// instead of git:// for GitHub-based gems

Ruby Github Bundler

Deleting all special characters from a string - ruby

Ruby Special Characters

How is STDERR.puts different from puts in Ruby?

How to use "gets" and "gets.chomp" in Ruby

How do I use Array#dig and Hash#dig introduced in Ruby 2.3?

Arrays Ruby Hash Splat

YAML How many spaces per indent?

Ruby Yaml Amazon Elastic-Beanstalk

Should I define a main method in my ruby scripts?

Ruby Main Method

Creating Microsoft Word (.docx) documents in Ruby

Ruby on-Rails Ruby Ms Word Documents

Capistrano & Bash: ignore command exit status

Ruby on-Rails Ruby Bash Capistrano

Ruby's yield feature in relation to computer science

Ruby Functional Programming Yield

Identifying last loop when using for each

C#Java Ruby Loops Foreach

How to select nodes by matching text

How to implement cookie support in ruby net/http?

How to make a Ruby string safe for a filesystem?

Ruby on-Rails Ruby String Filesystems

Rails: How do I write tests for a ruby module?

Ruby on-Rails Ruby Unit Testing Testing Module

url encode equivalent in ruby on rails

Php Ruby on-Rails Ruby

How do I require a specific version of a ruby gem?

Ruby Version Gem Oci8

Ruby on Rails 3 howto make 'OR' condition

Ruby on-Rails Ruby Ruby on-Rails-3

In a rails migration, how can you remove the limit of a field

Ruby on-Rails Ruby Rails Migrations

Is require File.expand_path(..., FILE) the best practice?

Detect MIME type of uploaded file in Ruby

Ruby on-Rails Ruby File Upload Swfupload

What is '$:.unshift File.dirname(FILE)' doing?

Ruby on-Rails Ruby

Why isn't self always needed in ruby / rails / activerecord?

Ruby Ruby on-Rails-3 Activerecord Self

Start a loop from 1

In Ruby, is there a way to use something like hash.each_with_index do |[k,v], i|?

Empty attribute with Ruby HAML

Ruby on-Rails Ruby Haml

Could not find rails (>= 0) amongst [] (Gem::LoadError)

Ruby on-Rails Ruby Ruby on-Rails-3 Rubygems Rvm

Abstract Method in Ruby

Get difference of arrays in Ruby

What is the difference between class_eval, class_exec, module_eval and module_exec?

Sort hash by key, return hash in Ruby

Ruby Sorting Hashmap

How to unzip a file in Ruby on Rails?

Ruby on-Rails Ruby File Zip

How does shovel (<<) operator work in Ruby Hashes?

Thread Safety: Class Variables in Ruby

Ruby Multithreading Thread Safety Metaprogramming Ruby 1.9.2

How to test rendering a partial with RSpec

Ruby on-Rails Ruby Ruby on-Rails-3 Rspec

How to get a backtrace from a SystemStackError: stack level too deep?

Detecting Operating Systems in Ruby

Ruby Operating System Detection Sketchup

How to reference global variables and class variables?

Minitest and Rspec

Ruby on-Rails Ruby Testing Rspec Minitest

Iterate an array, n items at a time

How do you save values into a YAML file?

Ruby Ruby on-Rails-3 Yaml

group_by in rails by 2 or more attributes

Ruby Ruby on-Rails-3 Group By

Ruby and "You must recompile Ruby with OpenSSL support or change the sources in your Gemfile"

Ruby Macos Openssl Rvm

Convert Ruby Hash into YAML

Modify ruby hash in place( rails strong params)

Ruby Ruby on-Rails-4

Add each array element to the lines of a file in ruby

Ruby Arrays File Line Output

ruby on rails how to deal with NaN

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.2 Ruby on-Rails-3.1

How to install ruby-debug when needing necessary libraries and/or headers

Ruby Ruby Debug

Rails 4: disable Turbolinks in a specific page

Javascript Ruby on-Rails Ruby Turbolinks

undefined method 'devise' for User

Ruby on-Rails Ruby Devise

Rails: correct way of turning activerecord relation to array?

Ruby on-Rails Ruby Activerecord

Rails: How to use dependent: :destroy in rails?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-4 Ruby on-Rails-3.2

Ruby, remove last N characters from a string?

How to call shell commands from Ruby

Ruby Shell Interop

How to understand nil vs. empty vs. blank in Ruby

Ruby on-Rails Ruby

How to convert a string to lower or upper case in Ruby

Ruby String Uppercase Lowercase

How to pass command line arguments to a rake task

Ruby Command Line Rake Command Line-Arguments

What is Rack middleware?

Ruby on-Rails Ruby Http Web Applications Rack

What is the difference between print and puts?

SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/

Ruby on-Rails Ruby Ssl Rvm

Update just one gem with bundler

Ruby Rubygems Bundler

Best way to convert strings to symbols in hash

Breaking up long strings on multiple lines in Ruby without stripping newlines

Ruby on-Rails Ruby

Is Ruby pass by reference or by value?

Ruby on-Rails Ruby Pass by-Reference

Best way to add comments in erb

Ruby on-Rails Ruby Comments Erb Block Comments

Can't install Ruby under Lion with RVM – GCC issues

Ruby Gcc Rvm Osx Lion xcode4.2

How to check for file existence

What is attr_accessor in Ruby?

How do I get the current absolute URL in Ruby on Rails?

Ruby on-Rails Ruby Url

Read binary file as string in Ruby

Ruby String File Io

How to read lines of a file in Ruby

Ruby Line Endings

How to round an average to 2 decimal places in PostgreSQL?

Sql Ruby Postgresql Sequel

bundle install fails with SSL certificate verification error

Ruby on-Rails Ruby Ssl Rubygems Bundler

Converting camel case to underscore case in ruby

Ruby on-Rails Ruby String Formatting Case Conversion

Rspec: "array.should == another_array" but without concern for order

Ruby Testing Rspec

What is the colon operator in Ruby?

What does the "map" method do in Ruby?

Ruby Map Range Enumeration

What does Ruby have that Python doesn't, and vice versa?

sqlite3-ruby install error on Ubuntu

Ruby Ubuntu Sqlite Sqlite3 Ruby

How can I output leading zeros in Ruby?

Ruby: Easiest Way to Filter Hash Keys?

How to execute a Ruby script in Terminal?

What blocks Ruby, Python to get Javascript V8 speed?

Javascript Python Ruby Performance Language Design

Convert string to symbol-able in ruby

Ruby on-Rails Ruby

Running pod setup gives me "bad interpreter: No such file or directory" error

Ruby Macos Cocoapods Podspec

How do I search within an array of hashes by hash values in ruby?

Ruby Search Hash Arrays

find_spec_for_exe': can't find gem bundler (>= 0.a) (Gem::GemNotFoundException)

Ruby Rubygems Bundle Jekyll

AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint

Ruby on-Rails Ruby Amazon Web-Services Amazon S3

How to make --no-ri --no-rdoc the default for gem install?

What does the question mark at the end of a method name mean in Ruby?

How do I create an empty array in YAML?

Ruby Arrays Yaml

How to make a HTTP request using Ruby on Rails?

Ruby Ruby on-Rails-3 Http Request

unable to install pg gem

Ruby on-Rails Ruby Rubygems Installation

How do I return early from a rake task?

OO Design in Rails: Where to put stuff

Ruby on-Rails Ruby Directory Structure

How to create a private class method?

Ruby Access Specifier

Understanding the Rails Authenticity Token

Ruby on-Rails Ruby Authenticity Token

Given a class, see if instance has method (Ruby)

Ruby Respond To

Learning Ruby on Rails

Ruby on-Rails Ruby Ide

What's the best way to model recurring events in a calendar application?

Ruby Algorithm Calendar Data Modeling Recurrence

Difference between attr_accessor and attr_accessible

Ruby on-Rails Ruby

Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

How to get filename without extension from file path in Ruby

How to split a delimited string in Ruby and convert it to an array?

Arrays Ruby String Split

rvm installation not working: "RVM is not a function"

What does a double * (splat) operator do

Difference between DateTime and Time in Ruby

Ruby Datetime Time

Get underlined text with Markdown

Ruby Markdown Underline Bluecloth

Rails params explained?

Ruby on-Rails Ruby

How do I update Ruby Gems from behind a Proxy (ISA-NTLM)

Ruby Proxy Rubygems Ironruby

How can I find out the current route in Rails?

Ruby on-Rails Ruby Routing

How do I parse a YAML file in Ruby?

Change a column type from Date to DateTime during ROR migration

Mysql Ruby on-Rails Ruby Ruby on-Rails-3 Migration

What's the difference between Ruby's dup and clone methods?

Ruby: How to install a specific version of a ruby gem?

class << self idiom in Ruby

Ruby Metaclass Eigenclass Singleton

How do I step out of a loop with Ruby Pry?

Ruby on-Rails Ruby Loops Exit Pry

What do you call the -> operator in Ruby?

Paperclip::Errors::MissingRequiredValidatorError with Rails 4

Ruby on-Rails Ruby Ruby on-Rails-4 Paperclip

How to find a hash key containing a matching value

How to replace a hash key with another key

Ruby on-Rails Ruby Ruby on-Rails-3 Hash

What is the easiest way to push an element to the beginning of the array?

How to upgrade rubygems

What does &. (ampersand dot) mean in Ruby?

ActiveRecord: size vs count

Ruby on-Rails Ruby Ruby on-Rails-3 Rails Activerecord

Rails: Is there a rails trick to adding commas to large numbers?

Ruby on-Rails Ruby

Ruby: How to turn a hash into HTTP parameters?

Ruby Http Parameters Hashmap

How to get a specific output iterating a hash in Ruby?

Ruby Hash Output

How do you do relative time in Rails?

Ruby on-Rails Ruby

How do I create an average from a Ruby array?

Ruby on-Rails Ruby

How can I download a file from a URL and save it in Rails?

Ruby on-Rails Ruby File Handling

No increment operator (++) in Ruby?

Why is it bad style to `rescue Exception => e` in Ruby?

Ruby Exception Handling

What does FILE mean in Ruby?

Ruby/Rails: converting a Date to a UNIX timestamp

Ruby on-Rails Ruby Date Timestamp

Remove substring from the string

Difference between \A \z and ^ $ in Ruby regular expressions

How to do a safe join pathname in ruby?

How to pass arguments into a Rake task with environment in Rails?

Ruby on-Rails Ruby Rake

How do I copy a hash in Ruby?

Ruby Serialization Hashmap Copy Deep Copy

Correct way to populate an Array with a Range in Ruby

Get the name of the currently executing method

Ruby Reflection Metaprogramming

How do I encode/decode HTML entities in Ruby?

"for" vs "each" in Ruby

Ruby Loops Foreach Iteration Each

How to document Ruby code?

Does Ruby have a string.startswith("abc") built in method?

Converting an integer to a hexadecimal string in Ruby

Ruby Hex Base Conversion

What does %w(array) mean?

Ruby Arrays String Notation

How to use RSpec's should_raise with any kind of exception?

Ruby on-Rails Ruby Exception Handling Rspec

How to create an exit message

Rails get index of "each" loop

Ruby on-Rails Ruby

Ruby: Is there an opposite of include? for Ruby Arrays?

Ruby on-Rails Ruby

What's the difference between a proc and a lambda in Ruby?

Array to Hash Ruby

Ruby Arrays Hashmap

Unresolved specs during Gem::Specification.reset:

Ruby Rubygems Guard

One line if statement not working

Is it ok to use `any?` to check if an array is not empty?

delete_all vs destroy_all?

Ruby on-Rails Ruby Database Activerecord

What is causing this ActiveRecord::ReadOnlyRecord error?

Ruby on-Rails Ruby Activerecord Join Associations

Output array to CSV in Ruby

Rails :dependent => :destroy VS :dependent => :delete_all

Ruby on-Rails Ruby Model Associations

Test whether a Ruby class is a subclass of another class

Ruby Inheritance Subclass Superclass

Best way to pretty print a hash

Ruby Ruby on-Rails-3

Can I invoke an instance method on a Ruby module without including it?

Ruby Module Methods

How to add new item to hash

When should I use Struct vs. OpenStruct?

Ruby class instance variable vs. class variable

Ruby Instance Variables Class Variables Class Instance-Variables

How to determine if one array contains all elements of another array

Ruby on-Rails Arrays Ruby

Understanding the Gemfile.lock file

Ruby Installation Rubygems Bundler gemfile.lock

How to generate a random number between a and b in Ruby?

Ruby Random Range

What is the canonical way to trim a string in Ruby without creating a new string?

Ruby array to string conversion

Ruby Arrays String

Rails 4 Authenticity Token

Ruby on-Rails Ruby Ruby on-Rails-4 Authenticity Token

Unable to install gem - Failed to build gem native extension - cannot load such file -- mkmf (LoadError)

Ruby on-Rails Ruby Ubuntu Gem Bcrypt

Ignoring GEM because its extensions are not built

Ruby Rubygems Chruby

How do I get ruby to print a full backtrace instead of a truncated one?

Ruby Exception Stack Trace

What are the Ruby File.open modes and options?

Is it possible to run a single test in MiniTest?

Ruby Ruby on-Rails-3 Minitest

Double vs single quotes

Ruby String Quotes Double Quotes Single Quotes

Ruby 2.0.0p0 IRB warning: "DL is deprecated, please use Fiddle"

How Do You Clear The IRB Console?

How to split (chunk) a Ruby array into parts of X elements?

Changing every value in a hash in Ruby

Uninstall all installed gems, in OSX?

What is the right way to override a setter method in Ruby on Rails?

Ruby on-Rails Ruby Ruby on-Rails-3 Overriding Setter

Difference between "or" and || in Ruby?

How to test if parameters exist in rails

Ruby on-Rails Ruby

Ruby on Rails Callback, what is difference between :before_save and :before_create?

Ruby on-Rails Ruby Ruby on-Rails-3 Validation

Check if a table exists in Rails

Ruby on-Rails Ruby Rails Activerecord Rails Migrations

RVM is not a function, selecting rubies with 'rvm use ...' will not work

How to create a file in Ruby

Ruby File Io Errno

Error installing libv8: ERROR: Failed to build gem native extension

Ruby on-Rails Ruby Windows Libv8

Instance variable: self vs @

Ruby Self Instance Variables

Add timestamps to an existing table

Ruby on-Rails Ruby Rails Activerecord Rails Migrations

How to find and return a duplicate value in array

What is the easiest way to remove the first character from a string?

Converting string from snake_case to CamelCase in Ruby

Ruby on-Rails Ruby String

How do you round a float to 2 decimal places in JRuby?

Ruby Jruby Rounding

In Ruby on Rails, how do I format a date with the "th" suffix, as in, "Sun Oct 5th"?

Ruby on-Rails Ruby Date

Why do people say that Ruby is slow?

Ruby Performance

How can I get the intersection, union, and subset of arrays in Ruby?

Ruby Union Intersection Subset

Using Sinatra for larger projects via multiple files

What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?

What does the (unary) * operator do in this Ruby code?

Ruby Operators Splat

How to convert a string or integer to binary in Ruby?

Ruby Binary Encode

Ruby 'require' error: cannot load such file

How to check whether a string contains a substring in Ruby

Multi-Line Comments in Ruby?

Ruby Comments Multiline Block Comments

How to get a random number in Ruby

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-4 Random

How to compare strings ignoring the case

Ruby String String Comparison

How to do a newline in output

How do I find if a string starts with another string in Ruby?

Ruby String Startswith

What does @@variable mean in Ruby?

Ruby Syntax Instance Variables Class Variables

Can't install gems on OS X "El Capitan"

Ruby Macos Rubygems

How do I move a file with Ruby?

Testing modules in RSpec

Ruby Unit Testing Rspec

How to get last N records with activerecord?

Ruby on-Rails Ruby Activerecord

Best practices to handle routes for STI subclasses in rails

Ruby on-Rails Ruby Single Table-Inheritance

Ruby equivalent of virtualenv?

Python Ruby Virtualenv

How do I run only specific tests in Rspec?

How to solve error "Missing `secret_key_base` for 'production' environment" (Rails 4.1)

Ruby on-Rails Ruby Heroku Ruby on-Rails-4

How to generate a random string in Ruby

Ruby Random Passwords

How to get a substring of text?

Is there a literal notation for an array of symbols?

Ruby Arrays Symbols Syntactic Sugar

RMagick installation: Can't find MagickWand.h

Ruby Macos Imagemagick Macos Sierra Rmagick

Strange \n in base64 encoded string in Ruby

Ruby Base64 Encode

Equivalent of .try() for a hash to avoid "undefined method" errors on nil?

Ruby on-Rails Ruby Ruby on-Rails-3 Hash

The 'json' native gem requires installed build tools

Ruby Json Windows 7 Rubygems

Ruby combining an array into one string

Installing CocoaPods: no response

Ruby Rubygems Cocoapods

Ruby send vs send

Ruby capitalize every word first letter

How to check if a given directory exists in Ruby

How to get the name of the calling method?

Execute a command line binary with Node.js

Javascript Ruby node.js Command Line-Interface

Calling a Method From a String With the Method's Name in Ruby

Ruby Metaprogramming

Ruby: How to iterate over a range, but in set increments?

Ruby Iterator Increment

Why is the shovel operator (<<) preferred over plus-equals (+=) when building a string in Ruby?

Ruby String Optimization

How to sort an array of hashes in ruby

Arrays Ruby Sorting

Create Directory if it doesn't exist with Ruby

Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?

Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

Ruby Ubuntu Rvm

How to swap keys and values in a hash

Ruby / Rails: convert int to time OR get time from integer?

Ruby on-Rails Ruby Time

What does tilde-greater-than (~>) mean in Ruby gem dependencies?

Why use symbols as hash keys in Ruby?

Ruby String Hashmap Symbols

Interpolating a string into a regex

Rails: How to change the title of a page?

Ruby on-Rails Ruby

Array include any value from another array?

ZSH complains about RVM __rvm_cleanse_variables: function definition file not found

Ruby Macos Rvm Zsh

Ruby on Rails console is hanging when loading

Ruby on-Rails Ruby Console

How to resolve "gpg: command not found" error during RVM installation?

Ruby Macos Command Line Rvm Gnupg

EOFError: end of file reached issue with Net::HTTP

Ruby on-Rails Ruby Web Services Facebook Fql

How do I use Ruby for shell scripting?

Ruby Shell Scripting

Ruby on Rails: how to render a string as HTML?

Html Ruby on-Rails Ruby String

do..end vs curly braces for blocks in Ruby

Ruby on-Rails Ruby Ruby on-Rails-3 Coding Style

how to solve "ruby installation is missing psych" error?

Ruby on-Rails Ruby Macos Rvm

Count number of days between two dates

Rails Object to hash

Ruby on-Rails Ruby

How do I specify local .gem files in my Gemfile?

Ruby Rubygems Bundler

When to use nested classes and classes nested in modules?

How to sort a Ruby Hash by number value?

How can I use "puts" to the console without a line break in ruby on rails?

Ruby Io Console

List of installed gems?

Safe integer parsing in Ruby

Ruby String Exception Integer String Parsing

How to debug Ruby scripts

Is it good style to explicitly return in Ruby?

Ruby Coding Style Return Value

What's the difference between URI.escape and CGI.escape?

What is a elegant way in Ruby to tell if a variable is a Hash or an Array?

Ruby Arrays Hash

How do I create a SHA1 hash in ruby?

How do you pass arguments to define_method?

Ruby Metaprogramming

Ruby arrays: %w vs %W

Where to define custom error types in Ruby and/or Rails?

Ruby on-Rails Ruby Conventions

The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256

Ruby Amazon Web-Services Amazon S3 Aws Sdk

CocoaPods not working in macOS High Sierra

Ruby Cocoapods Macos High-Sierra

Why does installing Nokogiri on Mac OS fail with libiconv is missing?

Ruby Macos Nokogiri Libxml2 Libiconv

Ruby : How to write a gem?

Dynamic constant assignment

How to check if a specific key is present in a hash or not?

Ruby Data Structures Associative Array

How to "pretty" format JSON output in Ruby on Rails

Ruby on-Rails Ruby Json Pretty Print

Ruby: Rounding float in Ruby

Ruby on-Rails Ruby Rounding

Haml: Append class if condition is true in Haml

How to modify PATH for Homebrew?

Ruby Path Homebrew

Ruby: How to convert a string to boolean

Ruby String Boolean Type Conversion

Hidden features of Ruby

Ruby Hidden Features

Accessing a class's constants

Ruby on-Rails Ruby Constants

Generating GUIDs in Ruby

Ruby on Rails: Delete multiple hash keys

Ruby on-Rails Ruby

How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on

Ruby Colors Rspec Configuration Files

How can I merge two hashes without overwritten duplicate keys in Ruby?

Could not locate Gemfile

Ruby Gem Bundler

Rails 3 datatypes?

Ruby on-Rails Ruby Ruby on-Rails-3 Rails Activerecord

rhc setup gives error `no such file dl/import`

Can you get DB username, pw, database name in Rails?

Ruby on-Rails Ruby Database Activerecord Environment

'sudo gem install' or 'gem install' and gem locations

Ruby on-Rails Ruby Macos Rubygems

Look up all descendants of a class in Ruby

Ruby sleep or delay less than a second?

Removing all empty elements from a hash / YAML?

Ruby on-Rails Ruby Hash Yaml

How to capitalize the first letter in a String in Ruby

Nokogiri installation fails -libxml2 is missing

Ruby on-Rails Ruby Rubygems

How to URL encode a string in Ruby

Ruby on-Rails Ruby String Uri Urlencode

Equivalent of "continue" in Ruby

Ruby Keyword Continue

How can I find the number of days between two Date objects in Ruby?

leading zeros in rails

Ruby Regex Ruby on-Rails-3

You have already activated X, but your Gemfile requires Y

Ruby Rubygems Bundler

Get file name and extension in Ruby

Rails Model, View, Controller, and Helper: what goes where?

Ruby on-Rails Ruby Model View-Controller

How to prevent browser page caching in Rails

Ruby on-Rails Ruby Apache Caching Http Headers

Ruby Array find_first object?

Ruby Arrays Performance Find

Ruby class types and case statements

Ruby Duck Typing Case Statement

Can't install RMagick 2.13.1. Can't find MagickWand.h.

Ruby Installation Rmagick

How can I avoid running ActiveRecord callbacks?

Ruby on-Rails Ruby Rails Activerecord

Why does Ruby 1.9.2 remove "." from LOAD_PATH, and what's the alternative?

Ruby Rake Require Load Path

How to get UTC timestamp in Ruby?

Rails: Open link in new tab (with 'link_to')

Ruby on-Rails Ruby Ruby on-Rails-3

Create a devise user from Ruby console

Ruby on-Rails Ruby Devise

Ruby: require vs require_relative - best practice to workaround running in both Ruby <1.9.2 and >=1.9.2

Ruby Ruby 1.9 Ruby 1.8

Checking if a variable is an integer

Ruby Ruby on-Rails-3

Rails hidden field undefined method 'merge' error

Ruby on-Rails Ruby Ruby on-Rails-3 Forms Hidden Field

Get current stack trace in Ruby without raising an exception

Ruby Stack Trace

Rails formatting date

Ruby on-Rails Ruby Date Date Format

How to drop columns using Rails migration

Ruby on-Rails Ruby Database Activerecord Rails Migrations

Difference between rake db:migrate db:reset and db:schema:load

Ruby on-Rails Ruby Database Rake

A copy of xxx has been removed from the module tree but is still active

Ruby on-Rails Ruby Ruby on-Rails-4

Why doesn't ruby support method overloading?

The command rbenv install is missing

Ruby Ubuntu Rbenv Ubuntu 10.04

How to return a part of an array in Ruby?

Ruby Arrays List Slice

All but last element of Ruby array

How to extract URL parameters from a URL with Ruby or Rails?

Ruby on-Rails Ruby Uri Url Parameters

How to change default timezone for Active Record in Rails?

Ruby on-Rails Ruby Timezone Rails Activerecord

Check whether a variable is a string in Ruby

Ruby Idioms Typechecking

How to convert JSON to a Ruby hash

Ruby Json Hashmap

The Ruby %r{ } expression

Ruby on-Rails Ruby

How do I convert a String object into a Hash object?

What is Ruby equivalent of Python's `s= "hello, %s. Where is %s?" % ("John","Mary")`

Python Ruby String Formatting

Count, size, length...too many choices in Ruby?

Ruby Activerecord Size Content Length

Continuous Integration for Ruby on Rails?

Ruby on-Rails Ruby Continuous Integration

Extract a substring from a string in Ruby using a regular expression

Ruby Regex String Substring

Deleting all records in a database table

Ruby on-Rails Ruby Database Ruby on-Rails-3

How to clear all the jobs from Sidekiq?

Ruby on-Rails Ruby Sidekiq

Need a simple explanation of the inject method

What is the meaning of erb?

Ruby on-Rails Ruby Erb

What is the difference between tr and gsub?

ERROR: While executing gem ... (Errno::EPERM) Operation not permitted

Ruby Macos Rubygems Osx Elcapitan Compass

Sorting an array of objects in Ruby by object attribute?

Ruby Sorting Object

What's the best way to unit test protected & private methods in Ruby?

Ruby Unit Testing Private Protected

Find value in an array

In Ruby how do I generate a long string of repeated text?

Why does Ruby have both private and protected methods?

Ruby Language Design Access Specifier

How to express infinity in Ruby?

How do RVM and rbenv actually work?

Ruby on-Rails Ruby Rubygems Rvm Rbenv

How to test if a string is basically an integer in quotes using Ruby

Ruby convert Object to Hash

Ruby Object Hashmap Instance Variables

Rails: What's a good way to validate links (URLs)?

Ruby on-Rails Ruby Regex Validation Url

How do I list all versions of a gem available at a remote site?

Ruby Gem Version

ruby send method passing multiple parameters

What is the difference between Gemfile and Gemfile.lock in Ruby on Rails

Ruby on-Rails Ruby Bundler Gemfile gemfile.lock

Trouble comparing time with RSpec

Ruby on-Rails Ruby Time Rspec Comparison

Determining if a variable is within range?

Ruby Integer Conditional Range

Serving static files with Sinatra

How to check if a Ruby object is a Boolean

Ruby Typechecking

RVM: Uninstalling all gems of a gemset

Create array of symbols

What Ruby IDE do you prefer?

Ruby Ide Editor

Best practice to mark deprecated code in Ruby?

Ruby Deprecated

What is meant by 'Assignment Branch Condition Size too high' and how to fix it?

Ruby on-Rails Ruby Code Metrics Rubocop

Pass a variable into a partial, rails 3?

Ruby on-Rails Ruby Ruby on-Rails-3

Rubocop Linelength: How to ignore lines with comments?

Ruby: Installing rmagick on Ubuntu

Ruby Linux Ubuntu Imagemagick Rmagick

ruby operator "=~"

How to list all methods for an object in Ruby?

Ruby on-Rails Ruby

How do I create directory if none exists using File class in Ruby?

What's the best/easiest GUI Library for Ruby?

Ruby User Interface

What does !! mean in ruby?

How to change Hash values?

Ruby Syntax Hash

Using Rails serialize to save hash to database

Ruby on-Rails Ruby Serialization Activerecord

Ruby Hash to array of values

Ruby Arrays Hash

Ruby - elegantly convert variable to an array if not an array already

Uniq by object attribute in Ruby

Ruby on-Rails Ruby Arrays Unique

JRuby on Rails vs. Ruby on Rails, what's difference?

Ruby on-Rails Ruby Jruby Jrubyonrails

Convert to/from DateTime and Time in Ruby

Ruby Datetime Time

Passing a method as a parameter in Ruby

Ruby Parameters Methods

Why doesn't Ruby support i++ or i-- (increment/decrement operators)?

Ruby Operators Language Design

How to click first link in list of items after upgrading to Capybara 2.0?

Ruby Rspec Capybara

Ruby's ||= (or equals) in JavaScript?

Javascript Ruby Syntax

How to select option in drop down using Capybara

Ruby Selenium Webdriver Capybara

Automatic counter in Ruby for each?

How do I download a binary file over HTTP?

Finding out current index in EACH loop (Ruby)

Strip html from string Ruby on Rails

Html Ruby String Ruby on-Rails-3

Ruby function to remove all white spaces?

How to match all occurrences of a regex

How to remove a key from Hash and get the remaining hash in Ruby/Rails?

Ruby on-Rails Ruby Ruby on-Rails-3 Hashmap Ruby Hash

How to write to file in Ruby?

Rails: Logging the entire stack trace of an exception

Ruby on-Rails Ruby

Is there any difference between the `:key => "value"` and `key: "value"` hash notations?

Ruby Syntax Hash Ruby 1.9 Hashrocket

Ruby Regexp group matching, assign variables on 1 line

Ruby Regex Pattern Matching

Create a new Ruby on Rails application using MySQL instead of SQLite

Mysql Ruby on-Rails Ruby

What is the best way to convert an array to a hash in Ruby

Ruby Arrays Hashmap

How to randomly sort (scramble) an array in Ruby?

Ruby Arrays Random Shuffle

What's the 'Ruby way' to iterate over two arrays at once

Ruby Arrays Iterator

Difference between '..' (double-dot) and '...' (triple-dot) in range generation?

Ruby Syntax Range

Pass ruby script file to rails console

Ruby Ruby on-Rails-3

Can you supply arguments to the map(&:method) syntax in Ruby?

Best way to create custom config options for my Rails app?

Ruby on-Rails Ruby Configuration Environment

Get person's age in Ruby

Ruby on-Rails Ruby

Learning Python from Ruby; Differences and Similarities

Rails 3: Get Random Record

Ruby on-Rails Ruby Ruby on-Rails-3 Activerecord Random

How do I create a class instance from a string name in ruby?

Ruby Ruby on-Rails-3

How do I pick randomly from an array?

Ruby Arrays Random

Why are exclamation marks used in Ruby methods?

Ruby Methods Naming Conventions Immutability

Ruby replace string with captured regex pattern

Ruby Regex Replace

What is the difference between pluck and collect in Rails?

Ruby on-Rails Ruby Rails Activerecord

Rails 4 LIKE query - ActiveRecord adds quotes

Sql Ruby on-Rails Ruby Postgresql Activerecord

ruby inheritance vs mixins

Ruby Class Inheritance Module Mixins

All Ruby tests raising: undefined method `authenticate' for nil:NilClass

Ruby on-Rails Ruby Testing Rspec Devise

How do I get the current Date/time in DD/MM/YYYY HH:MM format?

How to implement an abstract class in Ruby

Ruby Abstract Class

Ideal Ruby project structure

Ruby Project Structure

Is there a performance gain in using single quotes vs double quotes in ruby?

Ruby Performance Syntax

How can I remove the string "\n" from within a Ruby string?

What is the difference between `after_create` and `after_save` and when to use which?

Ruby on-Rails Ruby Ruby on-Rails-3

How to check a checkbox in capybara?

Ruby on-Rails Ruby Testing Rspec Capybara

Resque vs Sidekiq?

Ruby Ruby on-Rails-3 Resque Sidekiq

advantage of tap method in ruby

Ruby on-Rails Ruby

Gem installation error: You have to install development tools first (Windows)

Ruby Windows Sinatra

Why is sum so much faster than inject(:+)?

Possible to access the index in a Hash each loop?

Ruby Enumerable

In Rails, how do you render JSON using a view?

Ruby on-Rails Ruby Json Templates Rendering

How to remove RVM (Ruby Version Manager) from my system

Ruby Rubygems Rvm

How to install a gem or update RubyGems if it fails with a permissions error

Ruby Macos Rubygems

How to sum array of numbers in Ruby?

Ruby Arrays Math Sum

Begin, Rescue and Ensure in Ruby?

Ruby on-Rails Ruby Exception Exception Handling Error Handling

What does send() do in Ruby?

What is the difference between ~> and >= when specifying rubygem in Gemfile?

Ruby Rubygems Gemfile

Creating an empty file in Ruby: "touch" equivalent?

Getting "Warning! PATH is not properly set up" when doing rvm use 2.0.0 --default

Ruby Bash Rvm Ruby 2.0 .Bash Profile

How to run Rails console in the test environment and load test_helper.rb?

Ruby on-Rails Ruby Testing Shoulda

How do I sort an array of hashes by a value in the hash?

Ruby Arrays Sorting Hash

How to write to a JSON file in the correct format

Read input from console in Ruby?

Convert a string to regular expression ruby

Ruby Regex String Ruby 1.9.3

RSpec: how to test if a method was called?

Ruby on-Rails Ruby Rspec

Ubuntu rails install fails on zlib

Ruby on-Rails Ruby Rubygems Zlib Ubuntu 8.10

How to search file text for a pattern and replace it with a given value

What does rake db:test:prepare actually do?

Ruby on-Rails Ruby

Difference between "not" and "!" in ruby

Ruby Boolean Logic

Checking if a variable is defined?

Ruby Reflection

How does one use rescue in Ruby without the begin and end block

How to compare versions in Ruby?

Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby

Ruby on-Rails Ruby Datetime Ruby on-Rails-3

Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

Ruby on-Rails Ruby

Block comments in html.erb templates in rails

Ruby on-Rails Ruby Comments Erb Block Comments

What does the "===" operator do in Ruby?

What's the difference between equal?, eql?, ===, and ==?

Ruby Comparison Operators Equality

Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port 5432?

Ruby on-Rails Ruby Postgresql Ruby on-Rails-3 Ruby on-Rails-4

What is the difference between Class and Klass in ruby?

Removing a model in rails (reverse of "rails g model Title...")

Ruby on-Rails Ruby Model Migration

Ruby / Rails - Change the timezone of a Time, without changing the value

Ruby on-Rails Ruby Datetime Time Timezone

Ruby optional parameters

Ruby Optional Parameters

Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?

Ruby on-Rails Ruby

How to check if a string is a valid date

Ruby on-Rails Ruby String Date

Removing all installed Gems and starting over

Ruby Macos Ruby on-Rails-3 Rubygems Rvm

Change the name of the :id parameter in Routing resources for Rails

Ruby on-Rails Ruby Ruby on-Rails-3

Using --no-rdoc and --no-ri with bundler

Ruby on-Rails Ruby Rubygems Gem Bundler

What command opens Ruby's REPL?

Ruby Read Eval-Print-Loop

Testing for empty or nil-value string

Ruby on-Rails Ruby

How to resolve "You need to have Ruby and Sass installed and in your PATH for this task to work" Warning?

Ruby Macos Bash Terminal Sass

Ruby: How to post a file via HTTP as multipart/form-data?

Why use Ruby instead of Smalltalk?

Ruby on-Rails Ruby Smalltalk Seaside

When to use nil, blank, empty?

Ruby on-Rails Ruby

Save image from URL by paperclip

Ruby on-Rails Ruby Upload Paperclip

Create module variables in Ruby

Ruby Module Class Variables

rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib

Mysql Ruby on-Rails Ruby Macos

How do I wrap link_to around some html ruby code?

Ruby on-Rails Ruby

How do I compare two hashes?

Is there a way to access method arguments in Ruby?

Ruby on-Rails Ruby

Rails 4: assets not loading in production

Ruby on-Rails Ruby Asset Pipeline Ruby on-Rails-4

ruby system command check exit code

Ruby Command Exit Exit Code

Private module methods in Ruby

Ruby Private Methods Access Specifier

Transform DateTime into simple Date in Ruby on Rails

Ruby on-Rails Ruby Datetime

How to get Sinatra to auto-reload the file after each change?

How to write a switch statement in Ruby

Ruby Switch Statement Conditional Statements

What is the difference between gsub and sub methods for Ruby Strings

How to install Ruby 2.1.4 on Ubuntu 14.04

Ruby Ubuntu Ubuntu 14.04

Is there a reason that we cannot iterate on "reverse Range" in ruby?

Ruby Iteration Range

Rails: convert UTC DateTime to another time zone

Ruby on-Rails Ruby Datetime Runtime

Name of this month (Date.today.month as name)

Passing multiple error classes to ruby's rescue clause in a DRY fashion

Ruby Exception Rescue

How to find the key of the largest value hash?

Rails: "Could not find bundler" (2.2.11) required by Gemfile.lock. (Gem::GemNotFoundException)

Ruby on-Rails Ruby Rake Bundler

Set time part of DateTime in ruby

Find the extension of a filename in Ruby

Ruby on-Rails Ruby

Ruby Arrays: select(), collect(), and map()

In Rails - is there a rails method to convert newlines to <br>?

Ruby on-Rails Ruby

What is java interface equivalent in Ruby?

How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

Ruby on-Rails Ruby Rvm

ERROR: Error installing capybara-webkit:

Ruby on-Rails Ruby Gem Capybara Capybara Webkit

Disable ActiveRecord for Rails 4

Ruby on-Rails Ruby Ruby on-Rails-4

Saving enum from select in Rails 4.1

Ruby on-Rails Ruby Ruby on-Rails-4 Enums

How to get Ruby / Homebrew / RVM to work on Yosemite?

Ruby on-Rails Ruby Homebrew Osx Yosemite

How does Ruby return two values?

Ruby: How to get the first character of a string

How do I run a Ruby file in a Rails environment?

Ruby on-Rails Ruby Ruby on-Rails-3

Is inject the same thing as reduce in ruby?

Ruby Alias Reduce Inject

Really Cheap Command-Line Option Parsing in Ruby

Ruby: extend self

Why are my basic Heroku apps taking two seconds to load?

Ruby Performance Heroku

ruby 1.9: invalid byte sequence in UTF-8

Ruby Encoding Utf 8

difference between each.with_index and each_with_index in Ruby?

What is mattr_accessor in a Rails module?

Ruby on-Rails Ruby Class Module Activesupport

How to set default values in Rails?

Ruby on-Rails Ruby

Using do block vs braces {}

Ruby Coding Style

Ruby: Change negative number to positive number?

Ruby Math Numbers

How do I print out the contents of an object in Rails for easy debugging?

Ruby on-Rails Ruby

How to count identical string elements in a Ruby array

Ruby Arrays Count Element

cannot load such file -- zlib even after using rvm pkg install zlib

Ruby Linux Gem Rvm

Ruby off the rails

convert String to DateTime

Ruby Date Time Parsing

How to find an element by matching exact text of the element in Capybara

Ruby Regex Capybara

Converting an array of objects to ActiveRecord::Relation

Ruby on-Rails Ruby Activerecord

Ruby: kind_of? vs. instance_of? vs. is_a?

Ruby Inheritance Introspection

Why use Ruby's attr_accessor, attr_reader and attr_writer?

Ruby Attributes Attr Accessor

How do I use define_method to create class methods?

Ruby Metaprogramming Class Method

Extracting the last n characters from a ruby string

Rails: around_* callbacks

Ruby on-Rails Ruby Callback

How do I change my Ruby version using RVM?

find() with nil when there are no records

Ruby on-Rails Ruby Ruby on-Rails-3 Activerecord

Rails: Custom text for rails form_for label

Ruby on-Rails Ruby Ruby on-Rails-3.2 Form For

Rails 5: ActiveRecord OR query

Ruby on-Rails Ruby Activerecord Ruby on-Rails-5 Rails Activerecord

Convert Time from one time zone to another in Rails

Ruby on-Rails Ruby Datetime

Installing in Homebrew errors

Ruby Permissions Rvm Homebrew

How to print something without a new line in ruby

Measure and Benchmark Time for Ruby Methods

Ruby on-Rails Ruby Time Benchmarking Interpreter

How to run Ruby code from terminal?

Ruby Console Terminal

bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby

Ruby Rubygems Gem Rvm Bundler

Installing Bootstrap 3 on Rails App

Ruby on-Rails Ruby Twitter Bootstrap-3

How do you add an array to another array in Ruby and not end up with a multi-dimensional result?

Ruby Arrays Multidimensional Array

What does map(&:name) mean in Ruby?

Ruby Syntax Operators Parameter Passing

Using helpers in model: how do I include helper dependencies?

Ruby on-Rails Ruby Activerecord Model

Return two and more values from a method

Capturing Ctrl-c in ruby

Ruby Exception Copy Paste

Ruby regular expression using variable name

Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash.new([])

Test if string is a number in Ruby on Rails

Ruby on-Rails Ruby String Integer

Disable a group of tests in rspec?

Best way of returning a random boolean value

Ruby get object keys as array

Fastest way to check if a string matches a regexp in ruby?

Ruby Regex Performance

what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?

Ruby on-Rails Ruby Json

`if name == 'main'` equivalent in Ruby

Python Ruby Main

How to initialize an array in one step using Ruby?

Ruby Arrays Initialization

Rails how to run rake task

Ruby on-Rails Ruby Rake

Remove multiple spaces and new lines inside of String

Should Gemfile.lock be included in .gitignore?

Ruby Git Version Control Bundler Gemfile

Error to install Nokogiri on OSX 10.9 Maverick?

Ruby Macos Nokogiri Libxml2 Osx Mavericks

How can I overwrite a getter method in an ActiveRecord model?

Ruby on-Rails Ruby Rails Activerecord Getter Setter

Open an IO stream from a local file or url

What are the Ruby Gotchas a newbie should be warned about?

RSpec controller testing - blank response.body

Ruby on-Rails Ruby Unit Testing Rspec

How do I test a file upload in rails?

Ruby on-Rails Ruby Testing Upload

Finding # occurrences of a character in a string in Ruby

Ruby String Methods

How do I strip non alphanumeric characters from a string and keep spaces?

Ruby on-Rails Ruby Regex Ruby on-Rails-3

How to get the last element of an array in Ruby?

How do I set up a basic Ruby project?

Ruby Project Structure

rspec 3 - stub a class method

Ruby on-Rails Ruby Rspec Rspec3

How do I run a rake task from Capistrano?

Ruby Rake Capistrano

Return first match of Ruby regex

Ruby Regex String

Appending to an existing string

In Ruby, is there an Array method that combines 'select' and 'map'?

Installing vim with ruby support (+ruby)

Ruby, !! operator (a/k/a the double-bang)

How do I define a method on one line in Ruby?

How to call methods dynamically based on their name?

Ruby Dynamic Metaprogramming

How to get the current time as 13-digit integer in Ruby?

Error installing mysql2: Failed to build gem native extension

Mysql Ruby on-Rails Ruby Rubygems Mysql2

What's the difference between the build and create methods in FactoryGirl?

Ruby Factory Bot

How do I get the parent's class name in Ruby

ruby convert array into function arguments

Ruby Arrays Function Arguments

One-liner to recursively list directories in Ruby?

Ruby Filesystems Recursion

Add a new line in file?

How to create directories recursively in ruby?

How to update Ruby to 1.9.x on Mac?

Ruby Macos Installation

How to add to an existing hash in Ruby

Ruby New Operator Hash

Merge and interleave two arrays in Ruby

Inheriting class methods from modules / mixins in Ruby

Ruby: Merging variables in to a string

ActiveRecord.find(array_of_ids), preserving order

Ruby on-Rails Ruby Activerecord

To change directory inside a ruby script?

Ruby on-Rails Ruby

How to Uninstall RVM?

Ruby Ubuntu 9.10 Rvm

Get index of array element faster than O(n)

Ruby Arrays Performance Indexing

Get list of a class' instance methods

Ruby Reflection Ruby 1.9.2

What is the purpose of "!" and "?" at the end of method names?

Ruby Methods Syntax Predicate Syntactic Sugar

Installing RubyGems in Windows

Ruby Installation Rubygems

How to HTML encode/escape a string? Is there a built-in?

Html Ruby on-Rails Ruby Escaping Encode

How do I Convert DateTime.now to UTC in Ruby?

Get the value of an instance variable given its name

Ruby Metaprogramming

How do I create multiple submit buttons for the same form in Rails?

Ruby on-Rails Ruby Form Submit

Meaning of tilde-greater-than (~>) in version requirement?

Stop execution of Ruby script

What is the difference between `raise "foo"` and `raise Exception.new("foo")`?

Ruby Exception Exception Handling

Devise password reset from Rails console

Ruby on-Rails Ruby Ruby on-Rails-3 Devise Rails Console

Find number of months between two Dates in Ruby on Rails

Ruby on-Rails Ruby Date Ruby on-Rails-3.1

I need to generate uuid for my rails application. What are the options(gems) I have?

Ruby on-Rails Ruby Ruby on-Rails-3 Guid Uuid

Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppress'

Ruby Macos Rubygems

Reuse Cucumber steps

Ruby Testing Cucumber

How to redirect to a 404 in Rails?

Ruby on-Rails Ruby Http Http Status-Code-404

Generate array of all letters and digits

How do I extract a sub-hash from a hash?

ExecJS::RuntimeError on Windows trying to follow rubytutorial

Javascript Ruby on-Rails Ruby Windows Asset Pipeline

Does Ruby regular expression have a not match operator like "!~" in Perl?

Add element to an array if it's not there already

What's the difference between RSpec's subject and let? When should they be used or not?

Ruby Unit Testing Rspec

How do I get elapsed time in milliseconds in Ruby?

How can I get source code of a method dynamically and also which file is this method locate in

How to use Active Support core extensions

Ruby on-Rails Ruby Time Extension Methods Activesupport

How do I turn on SQL debug logging for ActiveRecord in RSpec tests?

Ruby on-Rails Ruby Activerecord Rspec Rails

Is Hash Rocket deprecated?

Ruby Syntax Hash Ruby 1.9 Hashrocket

When to use symbols instead of strings in Ruby?

How to test exception raising in Rails/RSpec?

Ruby on-Rails Ruby Rspec

What is the difference between include and require in Ruby?

Ruby Include Require

Undo scaffolding in Rails

Ruby on-Rails Ruby Scaffolding

How to reverse a 'rails generate'

Ruby Ruby on-Rails-3 Rails Generate

What is the difference between Ruby 1.8 and Ruby 1.9

Ruby Ruby 1.9 Ruby 1.8

What's the opposite of chr() in Ruby?

How to check if a URL is valid

How do I convert a Ruby class name to a underscore-delimited symbol?

Ruby on-Rails Ruby Metaprogramming

Rails keeps telling me that it's not currently installed

Ruby on-Rails Ruby Rvm Zsh

Why do we need fibers

Ruby Lambda Closures Fibers Proc

Check if two arrays have the same contents (in any order)

Ruby Arrays Comparison

Reraise (same exception) after catching an exception in Ruby

Rails 4: How to reset test database?

Ruby on-Rails Ruby Rspec

Safe ActiveRecord like query

Ruby Activerecord Ruby on-Rails-4

List comprehension in Ruby

Ruby List Comprehension

Adding a directory to $LOAD_PATH (Ruby)

Ruby Rubygems Load Path

How to elegantly rename all keys in a hash in Ruby?

RVM is not working in ZSH

Ruby Macos Rvm Zsh

How can I have ruby logger log output to stdout as well as file?

Rails DateTime.now without Time

Ruby on-Rails Ruby Datetime

Error while installing json gem 'mkmf.rb can't find header files for ruby'

Json Ruby Rubygems

Where to place private methods in Ruby?

Ruby Conventions

Connect to a locally built Jekyll Server using mobile devices in the LAN

Ruby Github Jekyll Webrick

How to install therubyracer gem on 10.10 Yosemite?

Ruby Gem Rubygems

Error when trying to install app with mysql2 gem

Mysql Ruby on-Rails Ruby Ruby on-Rails-4 Mysql2

How do you downgrade rubygems?

How to open files relative to home directory

How can I return something early from a block?

Ruby Loops Return Break

Tell the end of a .each loop in ruby

Ruby on-Rails Ruby Loops Each

If string is empty then return some default value

Ruby on-Rails Ruby

Convert UTC to local time in Rails 3

Ruby on-Rails Ruby Ruby on-Rails-3 Timezone Activesupport

Rails Console: reload! not reflecting changes in model files? What could be possible reason?

Ruby on-Rails Ruby Config Reload Rails Console

Ruby Metaprogramming: dynamic instance variable names

Ruby Metaprogramming Instance Variables

Rails mapping array of hashes onto single hash

Ruby on-Rails Ruby Arrays Hash

Can I set up Cascade deleting in Rails?

Ruby on-Rails Ruby Database

How to map/collect with index in Ruby?

Ruby Arrays Indexing

"Ago" date/time functions in Ruby/Rails

Ruby on-Rails Ruby Datetime

Array#each vs. Array#map

Ruby Arrays Enumerable

Difference between $stdout and STDOUT in Ruby

Ruby Stdout Stderr Output Redirect

uninstall ruby version from rbenv

How to tell Rubocop to ignore a specific directory or file

Purpose of "consider_all_requests_local" in config/environments/development.rb?

Ruby on-Rails Ruby

Block commenting in Ruby

Ruby Comments Keyboard Shortcuts Text Editor Block Comments

How do I remove leading whitespace chars from Ruby HEREDOC?

Ruby Whitespace Heredoc

How to get rspec-2 to give the full trace associated with a test failure?

Ruby Ruby on-Rails-3 Testing Rspec Rspec2

How to `bundle install` when your Gemfile requires an older version of bundler?

Ruby on-Rails Ruby Bundler

Ruby custom error classes: inheritance of the message attribute

Ruby Exception Inheritance Exception Handling Custom Exceptions

Converting epoch time with milliseconds to datetime

Python Ruby Datetime Epoch

How to fix "Your Ruby version is 2.3.0, but your Gemfile specified 2.2.5" while server starting

Ruby on-Rails Ruby Rubygems

What is the best way to chop a string into chunks of a given length in Ruby?

Ruby String Chunking

Correctly doing redirect_to :back in Ruby on Rails when referrer is not available

Ruby on-Rails Ruby Http

serve current directory from command line

Ruby Command Line

Use YAML with variables

Ruby on-Rails Ruby Variables Yaml String Interpolation

Rails: Validating min and max length of a string but allowing it to be blank

Ruby on-Rails Ruby Validation Model

Ruby's File.open and the need for f.close

Is it possible to have Methods inside Methods?

Convert string with comma to integer

Ruby Integer Data Conversion

Ruby: How to load a file into interactive ruby console (IRB)?

What is the expected syntax for checking exception messages in MiniTest's assert_raises/must_raise?

Ruby Tdd Minitest Assertion

Ruby cannot load such file - active_support/core_ext/object/blank

Ruby Rubygems Homebrew

How do I validate a date in rails?

Ruby on-Rails Ruby Validation Date

When monkey patching an instance method, can you call the overridden method from the new implementation?

Ruby Monkeypatching

What is Ruby's double-colon `::`?

Ruby Syntax Operators

Is there a "do ... while" loop in Ruby?

How can I check if a value is a number?

Ruby on-Rails Ruby

Using 'return' in a Ruby block

Ruby Lambda Return Proc Object

What are the WordPress alternatives for Ruby on Rails?

Ruby on-Rails Ruby Wordpress Content Management-System

How to suppress Rails console/irb outputs

Ruby on-Rails Ruby Irb

How to get parent node in Capybara?

Ruby on-Rails Ruby Cucumber Bdd Capybara

validation custom message for rails 3

Ruby on-Rails Ruby Ruby on-Rails-3 Validation Activerecord

What does << mean in Ruby?

Ruby Arrays Operators

Ruby, getting path from path+filename

Active Record - Find records which were created_at before today

Ruby Activerecord

What are the Python equivalents to Ruby's bundler / Perl's carton?

Python Ruby Perl Virtualenv Pip

Which Ruby on Rails is compatible with which Ruby version?

Ruby on-Rails Ruby

warning: constant ::Fixnum is deprecated When generating new model

Ruby on-Rails Ruby Ruby on-Rails-5

macOS Mojave 'ruby/config.h' file not found

Ruby Vim Macos Mojave

Pushing app to heroku problem

Ruby on-Rails Ruby Hosting Heroku

How to build a Ruby hash out of two equally-sized arrays?

Ruby Arrays Hash

Does Python have an "or equals" function like ||= in Ruby?

Is there a Ruby, or Ruby-ism for not_nil? opposite of nil? method?

Ruby on-Rails Ruby Null

Ruby: what does :: prefix do?

Ruby Namespaces

Ruby: Can I write multi-line string with no concatenation?

Ruby Code Formatting

When to use RSpec let()?

how to know what is NOT thread-safe in ruby?

Ruby Multithreading Concurrency Thread Safety Ruby on-Rails-4

Ruby: colon before vs after

Unable to find a specification in CocoaPods

Ios Objective C Ruby Cocoapods

Ruby max integer

Getting a list of folders in a directory

Ruby Directory Directory Listing

Mongodb: What to know before using?

Ruby on-Rails Ruby Mongodb Mongomapper

gem install permission problem

Ruby on-Rails Ruby Gem

Running command line commands within Ruby script

Ruby Command Line Scripting Terminal Command Prompt

Speeding up RSpec tests in a large Rails application

Ruby on-Rails Ruby Unit Testing Rspec Bdd

Difference between class variables and class instance variables?

Ruby Class Variables Class Instance-Variables

Ruby Date Subtraction (e.g. 90 days Ago)

How to preserve request url with nginx proxy_pass

Ruby Proxy Nginx Thin Unicorn

Correct MySQL configuration for Ruby on Rails Database.yml file

Mysql Ruby on-Rails Ruby Yaml

How to run a .rb file from IRB?

Ruby on-Rails Ruby Irb

Why does string interpolation work in Ruby when there are no curly braces?

Ruby String Interpolation

Create or append to array in Ruby

EventSource / Server-Sent Events through Nginx

Ruby Nginx Sinatra

How to delete specific characters from a string in Ruby?

Ruby String Trim

Ruby: What does 'require: false' in Gemfile mean?

Ruby Bundler Gemfile

How can I find which operating system my Ruby program is running on?

Ruby Operating System

Does Ruby perform Tail Call Optimization?

Ruby Functional Programming Tail Recursion

Ruby Koans: Why convert list of symbols to strings

How to write a Ruby switch statement (case...when) with regex and backreferences?

Ruby Regex Switch Statement

How to check if a number is included in a range (in one statement)?

Ruby on-Rails Ruby Ruby on-Rails-3 Numbers Range

undefined method `visit' when using RSpec and Capybara in rails

Ruby on-Rails Ruby Rspec Capybara

iterating over each character of a String in ruby 1.8.6 (each_char)

Ruby String Iterator

Ruby factorial function

Ruby Math Factorial

Read contents of a local file into a variable in Rails

Ruby on-Rails Ruby

What Does Ruby's Array#shift do?

What is the difference between include and extend in Ruby?

Ruby Module Include Extend

Tell Ruby Program to Wait some amount of time

Finding the element of a Ruby array with the maximum value for a particular attribute

Gem Command not found

Ruby Linux Rubygems

TCPServer Error: Address already in use - bind(2)

Testing whether string starts with or end with another string

Stop rails console from printing out the object at the end of a loop

Ruby on-Rails Ruby Console Irb

PG::Error: ERROR: new encoding (UTF8) is incompatible

Ruby on-Rails Ruby Postgresql

What is the point of object.presence?

Ruby on-Rails Ruby

Safe navigation equivalent to Rails try for hashes

Ruby on-Rails Ruby

Bundler: can't find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException) during bundle install with gem

Ruby on-Rails Ruby Rubygems Bundle Bundler

What's the best way to use SOAP with Ruby?

Ruby on-Rails Ruby Soap

Why is Ruby more suitable for Rails than Python?

Python Ruby on-Rails Ruby Web Frameworks

Why are all Rails helpers available to all views, all the time? Is there a way to disable this?

Ruby on-Rails Ruby Helpers

Check if record was just destroyed in rails

Ruby on-Rails Ruby Activerecord

Combination of two arrays in Ruby

Ruby Combinations

How do I modify an array while I am iterating over it in Ruby?

Ruby Arrays Iteration

Ruby send JSON request

Ruby Json Httprequest

Extract number from string in Ruby

Split Ruby regex over multiple lines

Ruby Regex Code Formatting

Ruby strftime: Month without leading zero?

Ruby Date Format Strftime

Ruby Gemspec Dependency: Is possible have a git branch dependency?

Ruby Rubygems Dependencies Bundler Gemspecs

Difference between an it block and a specify block in RSpec

Ruby on-Rails Ruby Rspec

How to find a min/max with Ruby

Ruby Enumerable

Ruby - Access multidimensional hash and avoid access nil object

Ruby Hash Conditional

Where does bundler store gems?

Ruby Gem Rvm Bundler Gemset

Interpreting a benchmark in C, Clojure, Python, Ruby, Scala and others

Python Ruby Scala Clojure Benchmarking

NameError (uninitialized constant Paperclip::Storage::S3::AWS):

Ruby on-Rails Ruby Amazon Web-Services Paperclip

Python vs. Ruby for metaprogramming

Python Ruby Lisp Metaprogramming

What exactly is the singleton class in ruby?

Ruby Oop Singleton

Parse email content from quoted reply

C#Ruby Email Email Parsing

Debugging in ruby 1.9

Ruby Debugging Rdebug

Default task for namespace in Rake

Most concise way to test string equality (not object equality) for Ruby strings or symbols?

Syntax for a for loop in ruby

Converting UTC timestamp to ISO 8601 in Ruby

Ruby on-Rails Ruby Timestamp

Using Net::HTTP.get for an https url

Hash remove all except specific keys

Ruby on-Rails Ruby Ruby on-Rails-3

Access instance variable from outside the class

Ruby Instance Variables

Difference between a class and a module

Ruby Class Module

What is the easiest way to duplicate an activerecord record?

Ruby on-Rails Ruby Rails Activerecord

Difference between map and collect in Ruby?

Ruby Arrays Map Collect

How to update Ruby with Homebrew?

Ruby Macos Homebrew

RuboCop: Line is too long ← How to Ignore?

Ruby on-Rails Ruby Sublimetext3 Rubocop

Is Ruby a functional language?

Ruby Functional Programming

Determine ruby version from within Rails

Ruby on-Rails Ruby Ruby Enterprise-Edition

Is there a good, solid reference for proper RDoc syntax?

What does the fail keyword do in Ruby?

Rails 4 before_action, pass parameters to invoked method

Append key/value pair to hash with << in Ruby

Rspec 3 how to test flash messages

Ruby on-Rails Ruby Rspec

How to break out from a ruby block?

How do I set HTTP_REFERER when testing in Rails?

Ruby on-Rails Ruby Testing

Continuously read from STDOUT of external process in Ruby

Ruby Shell Process Stdout Stdin

Subtracting one Array from another in Ruby

Ruby Arrays Array Difference

ruby working on array elements in groups of four

Ruby string slice index: str[n..infinity]

File.expand_path("../../Gemfile", FILE) How does this work? Where is the file?

rails bundle clean

Ruby on-Rails Ruby Bundler

How do I loop over a hash of hashes?

Ruby on-Rails Ruby Hash

Does Ruby have mkdir -p?

Ruby File Path Directory Mkdir

How to pass parameter on 'vagrant up' and have it in the scope of Vagrantfile?

Ruby Command Line Vagrant Parameter Passing

Invalid active developer path on MAC OS X after installing Ruby

Ruby Xcode Macos Xcrun

What does %i or %I do in Ruby?

Ruby on-Rails Ruby

What do the different brackets in Ruby mean?

Do you leave parentheses in or out in Ruby?

Ruby Coding Style

How to update Ruby Version 2.0.0 to the latest version in Mac OSX Yosemite?

What exactly is a "role" in Capistrano?

Ruby on-Rails Ruby Capistrano

rails - Redirecting console output to a file

Ruby on-Rails Ruby File Console

Getting the warning "Insecure world writable dir /home/chance " in PATH, mode 040777 for rails and gem

Ruby on-Rails Ruby Linux Gem Rvm

How to get request referer path?

Ruby on-Rails Ruby

Rails Admin vs. ActiveAdmin

Ruby on-Rails Ruby Ruby on-Rails-3 Activeadmin Ruby on-Rails-Plugins

Ruby output contents of an array as a comma separated string Ruby

Ruby Arrays Ruby on-Rails-3

Rails: Update model attribute without invoking callbacks

Ruby on-Rails Ruby Model Attributes Callback

How can I switch to ruby 1.9.3 installed using Homebrew?

Ruby Macos Osx Lion Homebrew

Where and how is the _ (underscore) variable specified?

Create array of n items based on integer value

ruby .split('\n') not splitting on new line

fetch vs. [] when working with hashes?

Cannot execute "rails console" due to an error with readline

Ruby on-Rails Ruby Ruby on-Rails-3 Homebrew Rbenv

What is the best way to seed a database in Rails?

Ruby on-Rails Ruby Database Task Seed

Rails 4: List of available datatypes

Ruby on-Rails Ruby Ruby on-Rails-4 Rails Activerecord

Determining type of an object in ruby

In Ruby, how do I check if method "foo=()" is defined?

Ruby Syntax Error

Rails sessions current practices

Ruby on-Rails Ruby Session Cookies

What exactly is Arel in Rails 3.0?

Ruby on-Rails Ruby Activerecord Arel

How does load differ from require in Ruby?

Ruby on-Rails Ruby

LEFT OUTER joins in Rails 3

Ruby on-Rails Ruby Activerecord

How do I "activate" a different version of a particular gem?

Ruby on-Rails Ruby Rubygems Rvm

Rails Paperclip how to delete attachment?

Ruby on-Rails Ruby Paperclip

How to know if today's date is in a date range?

Ruby Date Range

How can I get the name of the command called for usage prompts in Ruby?

Ruby Command Line

How to check if a directory/file/symlink exists with one command in Ruby

Ruby File Directory Symlink Exists

String "true" and "false" to boolean

Jquery Ruby on-Rails Ruby Ruby on-Rails-3

Ruby multiple string replacement

Ruby String Gsub

Ruby Rspec : Testing instance variables without adding an accessor to source

Ruby Rspec Instance Variables

How do I create a copy of some columns of a CSV file in Ruby with different data in one column?

Ruby: How to make a public static method?

Ruby on-Rails Ruby

How do I 'validate' on destroy in rails

Ruby on-Rails Ruby Callback

Rails /lib modules and

Ruby on-Rails Ruby Class Module

How to split a string in Ruby and get all items except the first one?

Ruby String Split

Why isn't the eigenclass equivalent to self.class, when it looks so similar?

Ruby Language Features Eigenclass

How to understand symbols in Ruby

How to run Rake tasks from within Rake tasks?

How to downgrade or install an older version of Cocoapods

Ios Ruby Rubygems Cocoapods

How do I check to see if my array includes an object?

Ruby on-Rails Ruby

Space in the ruby array by %w

Ruby sort by multiple values?

before_filter with parameters

Ruby on-Rails Ruby Ruby on-Rails-3 Before Filter

Installed memcached via homebrew, how to start and stop server?

Ruby Memcached Homebrew

Should I specify exact versions in my Gemfile?

Ruby on-Rails Ruby Ruby on-Rails-3 Rubygems Bundler

Check if a constant is already defined

What's the difference between request.remote_ip and request.ip in Rails?

Ruby on-Rails Ruby Rack

Best Solution For Authentication in Ruby on Rails

Ruby on-Rails Ruby Authentication

Best Practices for reusing code between controllers in Ruby on Rails

Ruby on-Rails Ruby

Is it idiomatic Ruby to add an assert( ) method to Ruby's Kernel class?

Ruby Assert Xunit

Welcome/home page in Ruby on Rails - best practice

Ruby on-Rails Ruby

Can a Ruby script tell what directory it’s in?

Ruby Scripting Path Directory Environment Variables

In Ruby, how do I make a hash from an array?

Ruby Arrays Hash

In Ruby is there a way to overload the initialize constructor?

How do I get the name of a Ruby class?

Ruby on-Rails Ruby Rails Activerecord

In Ruby is there a way to overload the initialize constructor?

Ruby each_with_index offset

how to check the database name that ActiveRecord uses

Ruby on-Rails Ruby Configuration

What's the difference between GEM_HOME and GEM_PATH?

therubyracer - Gem::Ext::BuildError: ERROR: Failed to build gem native extension

Ruby Gcc Osx Mavericks Therubyracer Libv8

What to use instead of `render :text` (and `render nothing: true`) in rails 5.1 and later?

Ruby on-Rails Ruby Ruby on-Rails-5

Getting the Hostname or IP in Ruby on Rails

Ruby Networking

Best ruby idiom for "nil or zero"

Ruby Design Patterns Idioms Null

How can I initialize a module's instance variables in Ruby?

Ruby Module Instance Variables

Mongoid or MongoMapper?

Ruby Mongodb Mongoid Mongomapper Odm

Ruby ternary operator without else

Ruby Operators Conditional Conditional Operator

How to time an operation in milliseconds in Ruby?

Parsing XLS and XLSX (MS Excel) files with Ruby?

What is the difference between send_data and send_file in Ruby on Rails?

Ruby on-Rails Ruby Sendfile

In Ruby on Rails, to extend the String class, where should the code be put in?

Ruby on-Rails Ruby Ruby on-Rails-3

Why can't I install Rails on Lion using RVM?

Ruby on-Rails Ruby Macos Rvm

Error installing gem capybara-webkit

Ruby Gem Capybara

How to make Capybara check for visibility after some JS has run?

Ruby Rspec Capybara Integration Testing

How to get a single column's values into an array

Ruby on-Rails Ruby Ruby on-Rails-3

Best practice about empty belongs_to association

Ruby on-Rails Ruby Activerecord

How do I find out which gem has a specific dependency?

Ruby on-Rails Ruby Gem Bundler

Regular expressions with validations in RoR 4

Ruby on-Rails Ruby Activerecord

Check if not nil and not empty in Rails shortcut?

Ruby on-Rails Ruby

How do I use "gets" on a rake task?

Ruby on-Rails Ruby Rake

Ruby: Proc#call vs yield

Array.join("\n") not the way to join with a newline?

Ruby on-Rails Ruby

"which in ruby": Checking if program exists in $PATH from ruby

Ruby gem mysql2 install failing

Mysql Ruby Rubygems Mysql2 Libmysql

Protected and private methods in Rails

Ruby on-Rails Ruby Visibility Private Protected

what is the point of return in Ruby?

Mac user and getting WARNING: Nokogiri was built against LibXML version 2.7.8, but has dynamically loaded 2.7.3

Ruby Macos Nokogiri Libxml2

How to add minutes to a Time object

Ruby on-Rails Ruby Time

how to safely replace all whitespaces with underscores with ruby?

Ruby on-Rails Ruby Ruby on-Rails-3

Execute bash commands from a Rakefile

Uploading a file in Rails

Ruby on-Rails Ruby File Upload File Io

Limitations in running Ruby/Rails on windows

Ruby on-Rails Windows Ruby Ironruby

What exactly is Rake?

Ruby on-Rails Ruby Rake

Run rake task in controller

Ruby on-Rails Ruby Rake

rails - Finding intersections between multiple arrays

Ruby on-Rails Ruby Arrays Array Intersect

How do I check if a variable is an instance of a class?

Ruby Inheritance Introspection

JavaScript Array: get "range" of items

Javascript Ruby Arrays Range

Is there a Python equivalent to Ruby symbols?

Python Ruby Dictionary Symbols Language Comparisons

RoR - MD5 generation

Ruby Hash Md5 Digest

How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

Ruby Datetime Timestamp

How can I specify a local gem in my Gemfile?

Ruby on-Rails Ruby Ruby on-Rails-3 Rubygems Bundler

String concatenation vs. interpolation in Ruby

Ruby String Concatenation String Interpolation

How do I replace accented Latin characters in Ruby?

Ruby on-Rails Ruby Activerecord Unicode Utf 8

Find classes available in a Module

Ruby Metaprogramming

Passing hashes instead of method parameters

Ruby Oop Coding Style

How does Array#sort work when a block is passed?

Arrays Ruby Sorting

One liner in Ruby for displaying a prompt, getting input, and assigning to a variable?

Rails - Best-Practice: How to create dependent has_one relations

Ruby on-Rails Ruby Activerecord Ruby on-Rails-3 Associations

Can you use semicolons in Ruby?

Descending sort by value of a Hash in Ruby

Ruby Sorting Hash

Directly accessing an instance variable vs. Using an accessor method

Ruby Instance Variables Accessor

How do I convert a comma-separated string into an array?

Ruby Arrays String Csv

Get names of all files from a folder with Ruby

Ruby File Directory Filenames

How to map and remove nil values in Ruby

Ruby - How to select some characters from string

Ruby String Function Char Substr

Rails: How I can get yesterday's date?

Ruby on-Rails Ruby

unable to obtain stable firefox connection in 60 seconds (127.0.0.1:7055)

Ruby on-Rails Ruby Ruby on-Rails-3 Firefox Automated Tests

How to use basic authentication with httparty in a Rails app?

Ruby Ruby on-Rails-3 Httparty

Ruby: console.log?

Ruby - mapping an array to hashmap

How to fix "Your Ruby version is 1.9.3, but your Gemfile specified 2.0.0"

Ruby on-Rails Ruby

Ruby: Creating a hash key and value from a variable in Ruby

Ruby Hash Syntax

Determine file type in Ruby

Ruby Content Type Mime Types File Type

How do I remove carriage returns with Ruby?

To use self. or not.. in Rails

Ruby on-Rails Ruby

Ruby: how can I copy a variable without pointing to the same object?

How to implement a "callback" in Ruby?

Finding what is common to two arrays

Ruby String to Date Conversion

Ruby on-Rails Ruby Datetime Date

Dynamic Class Definition WITH a Class Name

Ruby Class Dynamic Metaprogramming

Rails update_attributes without save?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-4 Rails Activerecord

What does ||= (or-equals) mean in Ruby?

Parsing a JSON string in Ruby

Rspec Output Format: Documentation

Ruby on-Rails Ruby Rspec

Format the date using Ruby on Rails

Ruby on-Rails Ruby

How do I install ruby 2.0.0 correctly on Ubuntu 12.04?

Adding a custom seed file

Ruby on-Rails Ruby Ruby on-Rails-3.2 Rake Seed

What is the use of secret_key_base in rails 4

Ruby on-Rails Ruby Ruby on-Rails-4 Ruby on-Rails-5 Ruby on-Rails-6

Rubocop 25 line block size and RSpec tests

Ruby Rspec Rubocop

Why do Ruby setters need "self." qualification within the class?

Rails: Access to current_user from within a model in Ruby on Rails

Ruby on-Rails Ruby Session Rails Activerecord

How to hide password input from terminal in ruby script

Uninstall old versions of Ruby gems

What is Ruby 1.9 standard CSV library?

Ruby Csv Fastercsv

How do I check if a class is defined?

Ruby Ruby on-Rails-3 Class Defined

Ruby class inheritance: What is `<<` (double less than)?

solutions to the annoying "warning: already initialized constant" message

Ruby Activerecord IN clause

Ruby Activerecord

Where to put Ruby helper methods for Rails controllers?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.2 View Helpers

Difference between after_create, after_save and after_commit in rails callbacks

Ruby on-Rails Ruby Activerecord Callback

Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib (LoadError)

Ruby on-Rails Ruby Ruby on-Rails-4

Docker for Mac - mkmf.rb can't find header files for ruby

How do I get Haml to work with Rails?

Ruby on-Rails Ruby Netbeans Haml

Difference between has_one and belongs_to in Rails?

Ruby on-Rails Ruby Has One

How do I use gems with Ubuntu?

Ruby on-Rails Ruby Ubuntu Rubygems Capistrano

Ruby, Difference between exec, system and %x() or Backticks

When to use Struct instead of Hash in Ruby?

Ruby Hash Struct

Rounding a float to the nearest integer in ruby

How to access URL helper from rails module

Ruby on-Rails Ruby Url Model Helper

Connecting Rails 3.1 with Multiple Databases

Ruby on-Rails Ruby Ruby on-Rails-3 Rails Activerecord Activeresource

Escaping single and double quotes in a string in ruby?

Ruby: How to concatenate array of arrays into one

Ruby Arrays Multidimensional Array Concatenation

Check if a filename is a folder or a file

Get sidekiq to execute a job immediately

In Rails, what's the difference between find_each and where?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-4 Activerecord

How to create a Gemfile?

What is your preferred way to produce charts in a Ruby on Rails web application?

Ruby on-Rails Ruby Charts

What are those pipe symbols for in Ruby?

Rails Active Record find(:all, :order => ) issue

Ruby on-Rails Ruby Activerecord

Sort array returned by ActiveRecord by date (or any other column)

Ruby on-Rails Ruby Arrays Activerecord

How can I use Array#delete while iterating over the array?

Ruby Arrays Iteration

Manually Retry Job in Delayed_job

Ruby on-Rails Ruby Rubygems Delayed Job

How to search a folder and all of its subfolders for files of a certain type

Ruby File Io Recursion

Static pages in Ruby on Rails

Ruby on-Rails Ruby

incompatible character encodings: ASCII-8BIT and UTF-8

Ruby on-Rails Ruby Ruby on-Rails-3 Haml

How do I chain if statements in Jekyll?

Ruby on-Rails Ruby Jekyll

What does `def self.function` name mean?

Strictly convert string to integer (or nil)

Ruby Type Conversion

How can I delete one element from an array by value

String concatenation in Ruby

Ruby String Concatenation

What's the difference between a string and a symbol in Ruby?

Ruby String Symbols

NoMethodError when trying to invoke helper method from Rails controller

Ruby on-Rails Ruby

link_to method and click event in Rails

Ruby on-Rails Ruby

Create two-dimensional arrays and access sub-arrays in Ruby

Ruby Arrays Multidimensional Array

Why does Ruby have TrueClass and FalseClass instead of a single Boolean class?

Ruby Language Design

How do I check an array for duplicates?

What the difference between mysql and mysql2 gem

Mysql Ruby on-Rails Ruby Rubygems

How can I handle errors with HTTParty?

Ruby on-Rails Ruby Httparty

Capistrano deploy fails after I changed the repository URL

Ruby Deployment Capistrano

What is the best way to write specs for code that depends on environment variables?

Ruby Rspec Environment Variables

Find indices of elements that match a given condition

Parsing string to add to URL-encoded URL

Ruby on-Rails Ruby Ruby on-Rails-3

What is the difference between <%, <%=, <%# and -%> in ERB in Rails?

Ruby on-Rails Ruby Templates Erb

Rails I18n validation deprecation warning

Ruby on-Rails Ruby Ruby on-Rails-4 Deprecated Rails I18n

Split string by multiple delimiters

Ruby String Split

ruby DateTime parsing from 'mm/dd/yyyy' format

Ruby Ruby on-Rails-3

How to write a shell script that starts tmux session, and then runs a ruby script

Ruby Bash Shell Tmux

can't activate sqlite3 (~> 1.3.6), already activated sqlite3-1.4.0

Ruby on-Rails Ruby Sqlite

Preferred Ruby plugin for Eclipse?

Ruby Eclipse Eclipse Plugin Ruby Development-Tools

How to monitor delayed_job with monit

Ruby on-Rails Ruby Delayed Job Monit God

Add image to layout in ruby on rails

Ruby on-Rails Ruby Image Layout

Getting types of the attributes in an ActiveRecord object

Ruby on-Rails Ruby Activerecord Activemodel

static variables in ruby

Ruby Gems Not Installing, Hangs While Getting Gems

Ruby on-Rails Ruby Macos Rubygems

How to remove installed ri and rdoc?

=== vs. == in Ruby

getaddrinfo: nodename nor servname provided, or not known

Ruby on-Rails Ruby Capistrano Delayed Job

Where are rake tasks defined?

Ruby on-Rails Ruby Rake Rakefile

How to run all tests with minitest?

How can I know when to "refresh" my model object in Rails?

Ruby on-Rails Ruby Testing Activerecord

Rails Select Drop Down for States?

Ruby on-Rails Ruby Drop Down-Menu

How to act differently on the first iteration in a Ruby loop?

What is the use case for Ruby's %q / %Q quoting methods?

Ruby String Quotes

Ruby: Calling class method from instance

Ruby Class Method

Failed to build gem native extension — Rails install

Ruby on-Rails Ruby Rubygems

What do `?i` and `?-i` in regex mean?

How to run shell commands on server in Capistrano v3?

Ruby Capistrano3

Why Bundle Install is installing gems in vendor/bundle?

Ruby on-Rails Ruby Gem Rvm Bundler

TZInfo::DataSourceNotFound error starting Rails v4.1.0 server on Windows

Ruby on-Rails Ruby Ruby on-Rails-4.1 Tzinfo

Ruby: How to count the number of times a string appears in another string?

Ruby String Count

How to solve "/usr/bin/env: ruby_executable_hooks: No such file or directory"?

Ruby Git Rvm Jekyll

Undefined method raise_in_transactional_callbacks=' for ActiveRecord::Base:Class (NoMethodError)

Ruby on-Rails Ruby

How to install Nokogiri on Mac OS Sierra 10.12

Better ruby markdown interpreter?

Using Tuples in Ruby?

Ruby Tuples Relational

How to do static content in Rails?

Ruby on-Rails Ruby Static Content

Convert a Nokogiri document to a Ruby Hash

Xml Ruby Hash Nokogiri Libxml Ruby

How do I create a Ruby date object from a string?

What's the best way to parse a tab-delimited file in Ruby?

Given an array of arguments, how do I send those arguments to a particular function in Ruby?

Ruby Arrays Function Arguments

What is the "right" way to iterate through an array in Ruby?

Ruby Arrays Loops

How to create an integer-for-loop in Ruby?

What does the equal ('=') symbol do when put after the method name in a method definition?

Best Practice: Try vs Rescue

Ruby on-Rails Ruby

is not checked out... bundle install does NOT fix help!

Ruby on-Rails Ruby Git Gem

Ruby: Most concise way to use an ENV variable if it exists, otherwise use default value

Rails validation required numericality even though presence is not set to true

Ruby on-Rails Ruby Ruby on-Rails-3

Using Live Reload with Jekyll

Can we call a Controller's method from a view (as we call from helper ideally)?

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.1

Array of hashes to hash

Ruby Arrays Hash

Installing PostgreSQL on Ubuntu for Ruby on Rails

Ruby on-Rails Ruby Postgresql Ubuntu Heroku

How to reinstall a gem using bundler

Ruby Rubygems Bundler

PG::Error: SELECT DISTINCT, ORDER BY expressions must appear in select list

Ruby on-Rails Ruby Ruby on-Rails-3 Postgresql Distinct

Is it possible to get Ruby syntax highlighting in PHPStorm?

Php Ruby Phpstorm

How to install RVM system requirements without giving sudo access for RVM user

Ruby Deployment Rvm Sudo

Attr_accessor on class variables

nokogiri gem installation error

Ruby on-Rails Ruby Macos Rubygems Nokogiri

rails console doesn't load due to libreadline

Ruby on-Rails Ruby Macos

How to round a time down to the nearest 15 minutes in Ruby?

Ruby on Rails scalability/performance?

Ruby on-Rails Ruby Scalability

How to fake Time.now?

Ruby Unit Testing Time

How to convert a ruby hash object to JSON?

Ruby on-Rails Json Ruby Hashmap

Concatenating string with number in ruby

Passing a hash to a function ( *args ) and its meaning

Retrieving/Listing all key/value pairs in a Redis db

Ruby Rubygems Nosql Redis Ohm

Why is rake db:migrate:reset not listed in rake -T?

Ruby on-Rails Ruby Rake

How do I get unique elements in this array?

Ruby on-Rails Ruby

Ruby objects and JSON serialization (without Rails)

Ruby Json Serialization Jsonserializer

How to split string into only two parts with a given character in Ruby?

Ruby String Split

Ruby JSON parse changes Hash keys

Ruby on-Rails Ruby Json Hash

How to delete all contents of a folder with Ruby-Rails?

Ruby Ruby on-Rails-3

Embedding JSON Data into YAML file

Ruby on-Rails Ruby Ruby on-Rails-3 Json Yaml

How do I find the index of a character in a string in Ruby?

Ruby String Indexing

Get today's date in Jekyll with Liquid markup

Ruby Datetime Jekyll Liquid

Why do we have 0.0 and -0.0 in Ruby?

Ruby Floating Point Negative Zero

How do I generate a random 10 digit number in ruby?

Rails has_many :through Find by Extra Attributes in Join Model

Ruby on-Rails Ruby Has Many Has Many-Through

How to count duplicate elements in a Ruby array

I have a Rails task: should I use script/runner or rake?

Ruby on-Rails Ruby Rake

Ruby: How to make IRB print structure for Arrays and Hashes

Is there a way to avoid automatically updating Rails timestamp fields?

Ruby on-Rails Ruby Activerecord Timestamp

Equivalent of cURL for Ruby?

Rails flash message remains for two page loads

Ruby on-Rails Ruby

Ruby Method calls declared in class body

Ruby on-Rails Ruby

Ruby: Continue a loop after catching an exception

Ruby Exception Handling Loops

Convert Ruby Date to Integer

Ruby on-Rails Ruby Datetime Date

Ruby: Is it possible to define a class method in a module?

What is the meaning of *nix?

Ruby Linux Unix Operating System

when we import csv data, how eliminate "invalid byte sequence in UTF-8"

Rails 3. How to display two decimal places in edit form?

Ruby on-Rails Ruby Ruby on-Rails-3 Forms

A JSON text must at least contain two octets

Find unused code in a Rails app

Ruby on-Rails Ruby Refactoring Code Coverage

How do I convert an array of strings into a comma-separated string?

Ruby on-Rails Ruby Arrays

How to format a string with floats in Ruby using #{variable}?

Will UUID as primary key in PostgreSQL give bad index performance?

Ruby on-Rails Ruby Postgresql Heroku

Shoulda/RSpec matchers - conditional validation

Ruby on-Rails Ruby Rspec Shoulda

Write to rails console

Ruby on-Rails Ruby Debugging Development Environment Rails Console

Best way to require all files from a directory in ruby?

Ruby File Directory Require

Call method only if it exists

Ruby on-Rails Ruby

Rails optional belongs_to

Ruby on-Rails Ruby Activerecord

Why does "compass watch" say it cannot load sass/script/node (LoadError)?

Ruby Rubygems Compass Sass

Dynamic method calling in Ruby

Ruby Metaprogramming Dynamic Method

Checking if a string is valid json before trying to parse it?

Ruby 2.4 and Rails 4 stack level too deep (SystemStackError)

Ruby on-Rails Ruby

Listen error: unable to monitor directories for changes

Ruby on-Rails Ruby Ubuntu

Rails model without database

Ruby on-Rails Ruby Activerecord

What does 'Monkey Patching' exactly Mean in Ruby?

Ruby Terminology Monkeypatching

Time difference in hours

How do I pass multiple arguments to a ruby method as an array?

Ruby on-Rails Ruby Arrays Methods Arguments

How to check if a class already exists in Ruby

obj.nil? vs. obj == nil

Ruby Null Comparison

Ruby - can't modify frozen string (TypeError)

how to convert 270921sec into days + hours + minutes + sec ? (ruby)

How do I rename a gemset?

How can I reload a script in IRB?

Does Ruby have containers like stacks, queues, linked-lists, maps, or sets?

How to find where gem files are installed

Find or create record through factory_girl association

Ruby Ruby on-Rails-3 Cucumber Factory Bot

How to get a query string from a URL in Rails

Ruby on-Rails Ruby Ruby on-Rails-3

Usage of integers as hash keys

ruby-debug with Ruby 1.9.3?

Ruby on-Rails Ruby Ruby 1.9.3 Ruby Debug

Iterate over the first n elements of an array

How to change hash keys from `Symbol`s to `String`s?

Ruby on-Rails Ruby Ruby on-Rails-3 Hash

`gem install therubyracer` fails on Mac OS X Lion

Ruby Rubygems V8

class << self vs self.method with Ruby: what's better?

Dividing elements of a ruby array into an exact number of (nearly) equal-sized sub-arrays

Ruby on-Rails Ruby Arrays Ruby 1.8.7

How to add confirm message with link_to Ruby on rails

Ruby Ruby on-Rails-3 Ruby on-Rails-3.1 Ruby on-Rails-3.2 Link To

Collect values from an array of hashes

Ruby Arrays Hash Collect

Increment variable in ruby

Ruby on-Rails Ruby

Library not loaded: /opt/local/lib/libssl.1.0.0.dylib (LoadError)

What is the difference between Integer and Fixnum?

Your Ruby version is 2.0.0, but your Gemfile specified 2.1.0

How do you uninstall rbenv on macOS?

Ruby Macos Homebrew Rbenv

Is everything an object in Python like Ruby?

Python Ruby Object Language Comparisons

How to chunk an array in Ruby

How to set a file upload programmatically using Paperclip

Ruby on-Rails Ruby Paperclip File Upload

How to convert a string to a constant in Ruby?

How to display the current date in "mm/dd/yyyy" format in Rails

Ruby on-Rails Ruby Date

Parse CSV file with header fields as attributes for each row

Ruby Parsing Csv

Why is it not a good idea to dynamically create a lot of symbols in ruby (for versions before 2.2)?

Ruby String Symbols

How do you specify a minimum Ruby version in a gemspec?

How to flatten an array of arrays - but not all the way down

Ruby on-Rails Ruby

attr_accessor default values

Ruby on-Rails Ruby Attr Accessor

Ruby - replace the first occurrence of a substring with another string

Ruby String Replace

What is the opposite method of Array.empty? or [].empty? in ruby

Capybara: Select an option by value not text

Rails: ActiveRecord query based on association value

Ruby on-Rails Ruby Activerecord Associations

Ruby Email validation with regex

Ruby Regex Validation Email

Rails :include vs. :joins

Ruby on-Rails Ruby Database Join Rails Activerecord

Should I use alias or alias_method?

Remove duplicate elements from array in Ruby

Ruby on-Rails Arrays Ruby Duplicates

Can I upgrade to the current version of Ruby (2.2.3) on OS X v10.6.8?

Ruby Macos Terminal

Controller spec unknown keyword: id

Ruby on-Rails Ruby Rspec Ruby on-Rails-5 Rspec Rails

Common Ruby Idioms

Rails, MySQL and Snow Leopard

Mysql Ruby on-Rails Ruby Osx Snow-Leopard

How do you use global variables or constant values in Ruby?

Ruby Global Variables

Adding a directory to the load path in Rails?

Ruby on-Rails Ruby

What is the difference between Ruby and Ruby on Rails?

Ruby on-Rails Ruby

Ruby Style: How to check whether a nested hash element exists

Ruby Hash Coding Style

Rails ActiveRecord: Find All Users Except Current User

Ruby on-Rails Ruby Activerecord

Why is this RMagick call generating a segmentation fault?

Ruby Sinatra Segmentation Fault Rmagick Ruby 1.9.1

What is a Rakefile?

How to read whole file in Ruby?

Cross-platform means of getting user's home directory in Ruby?

Ruby Cross Platform

Ruby craziness: Class vs Object?

Ruby Class Object

what's different between each and collect method in Ruby

Ruby Each Collect

Is there a Rails Console command (Rails 3+) to reload changed code?

Ruby on-Rails Ruby Ruby on-Rails-3

Truncate string with Rails?

Ruby on-Rails Ruby Truncate

How to run a ruby script within bundler context?

Passing a lambda as a block

Ruby syntax: break out from 'each.. do..' block

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.1

Removing elements from array Ruby

Render an ERB template with values from a hash

Ruby Erb Template Engine

Allow public connections to local Ruby on Rails Development Server

Ruby on-Rails Ruby

"Could not find a valid gem in any repository" (rubygame and others)

Ruby Gem Rubygame

gem install: Failed to build gem native extension (can't find header files)

Mysql Ruby Rubygems

Rails how to delete a file without failing on error

Ruby on-Rails Ruby Ruby on-Rails-3

How to get the first key and value pair from a hash table in Ruby

"rmagick" gem installation issue

Ruby Always Round Up

What is the purpose of a `transient do` block in FactoryBot factories?

Ruby on-Rails Ruby Rspec Factory Bot

When do Ruby instance variables get set?

Ruby Syntax Instance Variables

Rails: An elegant way to display a message when there are no elements in database

Ruby on-Rails Ruby Loops Iterator

Case statement with multiple values in each 'when' block

Ruby on-Rails Ruby Syntax Switch Statement

Rails: Should partials be aware of instance variables?

Ruby on-Rails Ruby Partial Actionview

Sinatra vs. Rails

Ruby on-Rails Ruby Sinatra

How do I describe an enumeration column in a Rails 3 migration?

Ruby Ruby on-Rails-3 Enums Migration

How to "soft delete" user with Devise

Ruby on-Rails Ruby Authentication

Ruby on Rails 3 : "superclass mismatch for class ..."

Ruby on-Rails Ruby Ruby on-Rails-3

Suppress Ruby warnings when running specs

Ruby on-Rails Ruby Rspec Warnings

What's a reasonable way to read an entire text file as a single string?

Ruby String File Io

How to use Ruby's self keyword

Ruby Instance Self

Is it possible to define a 'before_save' callback in a module?

Ruby on-Rails Ruby

Testing hash contents using RSpec

Ruby Rspec Expectations

How to return HTTP 204 in a Rails controller

Ruby on-Rails Ruby

to_s vs. to_str (and to_i/to_a/to_h vs. to_int/to_ary/to_hash) in Ruby

Ruby String Methods

Why do I get a "permission denied" error while installing a gem?

Ruby Macos Jekyll

How to install Ruby 2 on Ubuntu without RVM

Ruby Ubuntu 12.04 Apt Get Ruby 2.0

OpenSSL vs GPG for encrypting off-site backups?

Ruby Encryption Puppet Ubuntu 14.04 Gnupg

How can I install a local gem?

Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language?

C#Java Python Ruby Perl

Ruby: define_method vs. def

Ruby Metaprogramming

Looking for suggestions for building a secure REST API within Ruby on Rails

Ruby on-Rails Ruby Security Rest asp.net Web-Api

Convert an array of integers into an array of strings in Ruby?

redirect_to using POST in rails

Ruby on-Rails Ruby Redirect

Natural Language Processing in Ruby

Ruby Artificial Intelligence Nlp

How to get rid of non-ascii characters in ruby

Ruby Unicode Cgi Ascii

Reading the first line of a file in Ruby

Ruby on-Rails Ruby Git File Io Capistrano

Add method to an instanced object

Does dependency injection exist in Rails?

Ruby on-Rails Ruby Spring Dependency Injection

Why do this Ruby object have both to_s and inspect methods that appear to do the same thing?

Ruby Object Printing

no such file to load -- rubygems (LoadError)

Ruby on-Rails Ruby Rubygems

How to know whether a model is new or not?

Ruby on-Rails Ruby Model

How to break from nested loops in Ruby?

Ruby Loops Nested Loops

Why can't a variable name end with `?` while a method name can?

Rails, Ruby, how to sort an Array?

Ruby on-Rails Ruby Ruby on-Rails-3

Conditional key/value in a ruby hash

Ruby on Rails Switch

Ruby Switch Statement

How do I stub things in MiniTest?

Ruby Minitest Stub

How to stub ApplicationController method in request spec

Ruby on-Rails Ruby Rspec Capybara

How to check if a variable is a number or a string?

In Ruby, how do I skip a loop in a .each loop, similar to 'continue'

Ruby Loops Syntax Iteration

Rails 4: before_filter vs. before_action

Ruby on-Rails Ruby Ruby on-Rails-4 Crud

Difference between "and" and && in Ruby?

Why is FILE uppercase and dir lowercase?

Ruby Syntax Language Implementation

Testing private method in Ruby (rspec)

How to use gem to install Rails on Ubuntu

Ruby on-Rails Ruby Linux Ubuntu

GROUP BY and COUNT using ActiveRecord

Sql Ruby on-Rails Ruby Postgresql Activerecord

How can I count the number of records that have a unique value in a particular field in ROR?

Ruby on-Rails Ruby Activerecord

Why can't I install the SQLite gem?

Ruby on-Rails Ruby Sqlite Gem

How to run a single RSpec test?

Ruby on-Rails Ruby Ruby on-Rails-3 Rspec

When to use `require`, `load` or `autoload` in Ruby?

How do I use CSS with a ruby on rails application?

Ruby on-Rails Css Ruby

Scope of Constants in Ruby Modules

Ruby on-Rails Ruby Module Constants

urldecode in ruby?

How to redefine a Ruby constant without warning?

Ruby Constants Redefine Redefinition

Check if an integer is within a range

Cannot install thin on windows

How to obtain first day of next month in ruby?

Ruby on-Rails Ruby

convert string to specific datetime format?

Ruby on-Rails Ruby

Ruby read CSV file as UTF-8 and/or convert ASCII-8Bit encoding to UTF-8

Ruby String Encoding Csv Utf 8

When to use each method of launching a subprocess in Ruby

Ruby Performance Coding Style Standards Subprocess

Validate attribute only if it present (only if user fill in it)

Ruby on-Rails Ruby Validation

Get parent directory of current directory in Ruby

Rails 3. How to add a helper that ActiveAdmin will use?

Ruby on-Rails Ruby Helpers Activeadmin

how to include video in jekyll markdown blog

Ruby Video Markdown Highlight Jekyll

How to pass a function instead of a block

Ruby Functional Programming

Ruby equivalent for Python's "try"?

Python Python 3.x Ruby Try Catch Language Comparisons

Rails 4 how to ignore pending migrations

Ruby on-Rails Ruby Activerecord

How to implement Enums in Ruby?

How to find where a method is defined at runtime?

Ruby on-Rails Ruby Runtime Methods Definition

How do I write a complex multi-line if condition in Ruby?

Ruby If Statement Conditional Conditional Statements

'require': cannot load such file -- 'nokogiri\nokogiri' (LoadError) when running `rails server`

Ruby on-Rails Ruby Nokogiri

How do I install ruby gems on Mac

Ruby Macos Rubygems

Why does the expression (true == true == true) produce a syntax error?

Ruby Syntax Error Operators Operator Precedence Associativity

What is the meaning of "h" in "<%=h [ ...] %>"?

Ruby on-Rails Ruby Templates

Ruby Hash Whitelist Filter

Why are methods in Ruby documentation preceded by a hash sign?

Ruby Documentation

How to understand the difference between class_eval() and instance_eval()?

Ruby Class Method Instance Method

In Ruby, what is the cleanest way of obtaining the index of the largest value in an array?

Ruby Arrays Indexing Max

How do I add information to an exception message in Ruby?

Ruby Exception Exception Handling

How to get a stack trace object in Ruby?

Ruby Stack Stack Trace

How can I calculate the day of the week of a date in ruby?

Rails: How to make Date strftime aware of the default locale?

Ruby on-Rails Ruby Localization Rails I18n Strftime

Rubygems, Bundler and RVM confusion

Ruby on-Rails Ruby Rubygems Bundler Rvm

Why are scripting languages (e.g. Perl, Python, and Ruby) not suitable as shell languages?

Python Ruby Perl Bash Shell

Finding the session id in rails 3

Ruby on-Rails Ruby Session

How to rename a file in Ruby?

How can I run a command five times using Ruby?

Ruby Ruby on-Rails-3

Rails 3: yield/content_for with some default value?

Ruby on-Rails Ruby Yield

Insecure world writable dir /Users/username in PATH, mode 040777 when running Ruby commands

Ruby Macos Permissions Path

ActiveRecord Arel OR condition

Sql Ruby on-Rails Ruby Activerecord Arel

Role does not exist and unable to create database when using PostgreSQL

Ruby on-Rails Ruby Ruby on-Rails-3 Postgresql

Using Instance Variables in Class Methods - Ruby

Ruby Instance Variables

How to sort a string's characters alphabetically?

Ruby String Sorting

What are the paths that "require" looks up by default?

Convert string to decimal number in ruby

Ruby Numbers Decimal

Ruby - Difference between Array#<< and Array#push

Ruby Arrays Append

Error Installing Jekyll - Native Extension Build

Ruby Macos Rubygems Installation Jekyll

Using send_file to download a file from Amazon S3?

Ruby on-Rails Ruby Ruby on-Rails-3 Amazon S3 Ruby on-Rails-3.2

How to signal "not implemented yet"?

Ruby Exception Handling Coding Style Conventions

to_d to always return 2 decimals places in ruby

Ruby on-Rails Ruby Math Decimal Currency

How do I fetch multiple hash values at once?

Ruby on-Rails Ruby Hash Destructuring

Calling method in parent class from subclass methods in Ruby

Bundle command not found mac

Ruby Macos Bundler

When to use lambda, when to use Proc.new?

Ruby Lambda Proc

What is the best method of handling currency/money?

Ruby on-Rails Ruby Currency

rbenv not changing ruby version

Difference between as_json and to_json method in Ruby

Ruby on-Rails Ruby

How to fix Rails's warning messages with Ruby 2.7.0

Ruby on-Rails Ruby Warnings Ruby on-Rails-6 Ruby 2.7

Rails 6.1, Ruby 3.0.0: tests error as they cannot load rexml

Ruby on-Rails Ruby Ruby 3

I have a gem installed but require 'gemname' does not work. Why?

How to save a base64 string as an image using ruby

Ruby on-Rails Ruby Image File Io Base64

How to make the class constructor private in Ruby?

Ruby Constructor Access Specifier

Difference between the access modes of the `File` object (ie. w+, r+)

Ruby File File Io Io

What does the "$" character mean in Ruby?

Ruby on-Rails Ruby Global Variables Dollar Sign Load Path

What Ruby and Rails Developers Ought To Know?

Ruby on-Rails Ruby

Resize existing images to new style in paperclip & RMagick

Ruby on-Rails Ruby Imagemagick Paperclip Rmagick

What is the "=~" operator in Ruby?

How do I set a blank value for an f.select form field

Ruby on-Rails Ruby Select

:as in rails routes.rb

Ruby on-Rails Ruby Ruby on-Rails-3 Routing

Changing field separator/delimiter in exported CSV using Ruby CSV

Find the newest record in Rails 3

Ruby on-Rails Ruby Ruby on-Rails-3

Lisp and Erlang Atoms, Ruby and Scheme Symbols. How useful are they?

Ruby Erlang Scheme Lisp

Factory Girl - what's the purpose?

Ruby Factory Bot

Ruby: unless vs if not

Ruby Coding Style

How do you say not equal to in Ruby?

Ruby Syntax Equals

Xcode - configure: error: no acceptable C compiler found in $PATH

Ruby Xcode Gcc Compiler Errors Rvm

How to check if a value exists in an array in Ruby

@ variables in Ruby on Rails

Ruby on-Rails Ruby Variables

Ruby deleting directories

First element of an array with condition

Convert CSV file into array of hashes

Ruby Csv Multidimensional Array

How to understand strptime vs. strftime

gem install fails with openssl failure

Ruby Macos Rubygems Openssl Cocoapods

How to convert a string to UTF8 in Ruby

Ruby File Encoding Utf 8 Dump

How do I add multiple elements to an array?

Mysql2::Error: Incorrect string value

Mysql Ruby on-Rails Ruby Encoding

How do you find the namespace/module name programmatically in Ruby on Rails?

Ruby on-Rails Ruby Namespaces

Getting output of system() calls in Ruby

Ruby System Call

Ruby ampersand colon shortcut

database configuration does not specify adapter

Ruby on-Rails Ruby

Create a ruby method that accepts a hash of parameters

How can we watch the Rails development log?

Ruby on-Rails Ruby Windows Logging Git Bash

Ruby XML to JSON Converter?

Xml Ruby Json Converter

What is the difference between "if" statements with "then" at the end?

RVM equivalent for PHP?

Php Ruby Rvm Homebrew Rbenv

How to test for (ActiveRecord) object equality

Ruby on-Rails Ruby Activerecord Identity Equality

Combine two Arrays into Hash

Regex, how to match multiple lines?

Ruby Regex Rubular

Ruby Exceptions -- Why "else"?

Ruby Exception Handling

Get current ruby process memory usage

Ruby Memory Process

Checking character length in ruby

What is the difference between map, each, and collect?

Ruby Enumerable

what is the functionality of "&: " operator in ruby?

Ruby on Rails plural (controller) and singular (model) convention - explanation

Ruby on-Rails Ruby Activerecord

What is the difference between using .exists?, and .present? in Ruby?

Ruby on-Rails Ruby

Using RSpec to check if something is an instance of another object

Ruby Testing Rspec Instance

How to organize minitest/unit tests?

Ruby on-Rails Ruby Minitest

ERROR: While executing gem ... (Gem::FilePermissionError)

Ruby Macos Gem Osx Mountain-Lion Sudo

Parse command line arguments in a Ruby script

Ruby Command Line

How do I force ActiveRecord to reload a class?

Ruby on-Rails Ruby Activerecord Migration

Pure-Ruby concurrent Hash

Ruby Concurrency Hash Locking

How to enable auto completion in Ruby's IRB

Ruby Irb Tab Completion

Forking a gem for a Rails project

Ruby on-Rails Ruby Fork Gem

How do I remove a node with Nokogiri?

Including rake tasks in gems

Ruby on-Rails Ruby Rubygems Rake

Which key/value store is the most promising/stable?

Python Ruby Database Comparison

In Ruby, how does coerce() actually work?

Ruby Coercion Coerce Type Coercion

Is it right to assign multiple variables like this a = b = c = d = 5?

Ruby on-Rails Ruby

Errors Installing mysql2 gem via the Bundler

Mysql Ruby on-Rails Ruby Rubygems Bundler

How do I use RVM and create globally available gems?

Ruby on-Rails Ruby Macos Rubygems

What does the Ruby method 'to_sym' do?

Ruby String Methods Symbols

Rails bundler doesn't install gems inside a group

Ruby on-Rails Ruby Rubygems Bundler

Super keyword in Ruby

Upgrading from Rails 3 to Rails 3.1

Ruby on-Rails Ruby Ruby on-Rails-3 Ruby on-Rails-3.1

Rails, How to render a view/partial in a model

Ruby on-Rails Ruby Ruby on-Rails-3

What does "wrong number of arguments (1 for 0)" mean in Ruby?

How can I do standard deviation in Ruby?

Ruby Standard Deviation

Rails 3. How to get the difference between two arrays?

Ruby on-Rails Ruby Arrays

Relative path to your project directory

Ruby run shell command in a specific directory

Ruby Shell Command

Ruby rails - select only few columns from the data base

Ruby on-Rails Ruby Ruby on-Rails-3 Rails Activerecord

Programmatically get the number of jobs in a Resque queue

Ruby on-Rails Ruby Redis Resque

Check if a hash's keys include all of a set of keys

Ruby check if nil before calling method

Ruby: What does the comment "frozen_string_literal: true" do?

rbenv install --list does not list version 2.1.2

Ruby Macos Homebrew Osx Mavericks Rbenv

Guard with RSpec on Rails 4 giving a lot of warnings

Ruby on-Rails Ruby Ruby on-Rails-4 Rspec

How to elegantly symbolize_keys for a 'nested' hash

Ruby on-Rails Ruby Hash Dry

Error message: Make sure that `gem install pg -v '0.18.1'` succeeds before bundling

Ruby on-Rails Ruby

Open the default browser in Ruby

What's this &block in Ruby? And how does it get passed in a method here?

Ruby on-Rails Ruby

Set the display precision of a float in Ruby

Ruby Floating Point Precision

Count the number of lines in a file without reading entire file into memory?

Confused, are languages like python, ruby single threaded? unlike say java? (for web apps)

Java Python Ruby Multithreading

When to use node.js vs sinatra vs rails?

Javascript Ruby on-Rails Ruby node.js

Replace words in a string - Ruby

Ruby Ruby on-Rails-3

'-%>' (minus sign) at the end of a ERb sequence

Ruby on-Rails Ruby

Understanding ruby-prof output

Ruby Profiling Ruby Prof

How to group by count in array without using loop

Rails Migration with adding and removing reference

Ruby Ruby on-Rails-3 Rails Migrations

Good Cucumber examples in the wild?

Ruby Cucumber Bdd

If I have a hash in Ruby on Rails, is there a way to make it indifferent access?

Ruby on-Rails Ruby Ruby on-Rails-3

Check if URL exists in Ruby

How to make Rails 3.1 use SASS (Over SCSS) as the default?

Ruby on-Rails Ruby Sass Ruby on-Rails-3.1

What is the answer to the bonus question in test_changing_hashes of Ruby Koans?

Vim Command-T plugin error: could not load the C extension

Ruby Vim Plugins

Check for multiple items in array using .include? -- Ruby Beginner

Ruby on-Rails Ruby

How to merge Ruby hashes

How to undefine class in Ruby?

Ruby Ruby on-Rails-3 Activerecord

Mountain Lion rvm install 1.8.7 x11 error

Ruby Rvm X11 Osx Mountain-Lion

How can I password-protect my /sidekiq route (i.e. require authentication for the Sidekiq::Web tool)?

Ruby Ruby on-Rails-3 Redis Rescue Sidekiq

ruby 2.0 rails gem install error "cannot load such file -- openssl"

Ruby on-Rails Ruby

How to fix bad URI is not URI

Ruby Ruby on-Rails-3 Uri

How to avoid "cannot load such file -- utils/popen" from homebrew on OSX

Ruby Macos Rubygems Homebrew

Rails 5.2.0 with Ruby 2.5.1 console - `warning:` `already` initialized constant FileUtils::VERSION

Ruby on-Rails Ruby Rvm Rbenv Fileutils

Radio buttons on Rails

Ruby on-Rails Ruby Webforms Radio Button

God vs. Monit for process monitoring

Ruby on-Rails Ruby Monitoring Monit God

Nicely formatting output to console, specifying number of tabs

How to handle Ruby on Rails error: "Please install the postgresql adapter: `gem install activerecord-postgresql-adapter'"

Ruby on-Rails Ruby Postgresql Activerecord Rubygems

Test whether a variable equals either one of two values

Is there a pluralize function in Ruby NOT Rails?

Ruby Require Pluralize

Ruby on Rails: How do you explicitly define plural names and singular names in Rails?

Ruby on-Rails Ruby

accepts_nested_attributes_for with belongs_to polymorphic

Ruby on-Rails Ruby Polymorphic Associations Nested Attributes

Order a collection as DESC

Ruby on-Rails Ruby

STI, one controller

Ruby on-Rails Ruby Ruby on-Rails-3

How do I parse JSON with Ruby on Rails?

Ruby on-Rails Ruby Json

When do we use the "||=" operator in Rails ? What is its significance?

Understanding Ruby's load paths

after_commit for an attribute

Ruby on-Rails Ruby

How do I convert a Ruby hash so that all of its keys are symbols?

Ruby - time.now in UTC

Is it possible to read a file's modification date with Ruby?

How do I reset my sidekiq counters?

Ruby on-Rails Ruby Sidekiq

"bin/rails: No such file or directory" w/ Ruby 2 & Rails 4 on Heroku

Ruby on-Rails Ruby Heroku Ruby on-Rails-4 Ruby 2.0

Rails 4 Unpermitted Parameters for Array

Ruby on-Rails Ruby Ruby on-Rails-4 Strong Parameters

Best way to handle data attributes in Slim

Ruby on-Rails Ruby Haml Templating Slim Lang

Warning with fog and AWS: unable to load the 'unf' gem

Ruby on-Rails Ruby Amazon Web-Services Fog

Finding the cause of a memory leak in Ruby

Ruby Memory Leaks Valgrind

Using gets() gives "No such file or directory" error when I pass arguments to my script

What is the difference between require_relative and require in Ruby?

Ruby way to check if a string is not blank?

How to get only class name without namespace

Ruby Namespaces

How do I run Rake tasks within a Ruby script?

Ruby Rake Command Line-Interface

diff a ruby string or array

Ruby equivalent of Python's "dir"?

Python Ruby Inspection

How do you loop through a multiline string in Ruby?

Ruby String While Loop Loops

Rails POST, PUT, GET

Ruby on-Rails Ruby Web Services Http

How to encode media in base64 given URL in Ruby

Ruby on-Rails Ruby Base64 Encode Activesupport

ruby super keyword

Ruby on-Rails Ruby Activerecord

Ruby methods within Javascript within HAML

Javascript Jquery Ruby Haml

Where are my ruby gems?

Capistrano asks for password when deploying, despite SSH keys

Ruby on-Rails Ruby Sinatra Capistrano Ssh Keys

How do I update Ruby-interpreters with RVM?

Sum the value of array in hash

Should one use dashes or underscores when naming a gem with more than one word?

Ruby Naming Conventions

What does `if FILE == $0` mean in Ruby

What’s the best way to handle exceptions from Net::HTTP?

What does "WARN Could not determine content-length of response body." mean and how to I get rid of it?

Ruby on-Rails Ruby Webrick

How to sort an array in descending order in Ruby

How do I use the conditional operator (? :) in Ruby?

Ruby Ternary Operator Conditional Operator

How do I remove blank elements from an array?

PG::ConnectionBad - could not connect to server: Connection refused

Ruby on-Rails Ruby Database Postgresql Database Connection

Outputting errors in a rescue (Ruby/Rails)

Ruby on-Rails Ruby Exception

Can Mustache Templates do template extension?

Javascript Python Ruby Templates Mustache

Ruby: merge nested hash

Ruby Hash Merge Nested

Rails optional argument

Ruby on-Rails Ruby

Can't find libcurl or curl/curl.h (RuntimeError)

Ruby on-Rails Ruby Curl Gem Curb

How I can check if an object is null in ruby on rails 2?

Ruby on-Rails Ruby Ruby on-Rails-2

Error installing debugger-linecache in Ruby 1.9.3

Ruby Rubygems Gem Ruby 1.9.3

Override Vagrant configuration settings locally (per-dev)

What does to_proc method mean?

Ruby Syntax Block Symbols Proc

Is there simpler (one-line) syntax to alias one class method?

Rails Console find users by array of ids

Mysql Ruby on-Rails Ruby Postgresql Rails Console