All Loops Solutions on Gang of Coders

Total of 279 Loops Solutions

For-each over an array in JavaScript

Javascript Arrays Loops Foreach Iteration

Accessing the index in 'for' loops

Python Loops List

How to enumerate an enum

C#.Net Loops Enums Enumeration

Loop through an array in JavaScript

Javascript Arrays Loops For Loop

Iterate through a HashMap

Java Loops Hashmap Iteration

How do I loop through or enumerate a JavaScript object?

Javascript Loops For Loop Each

JavaScript closure inside loops – simple practical example

Javascript Loops Closures

How to iterate over a dictionary?

C#Dictionary Loops

Why is printing "B" dramatically slower than printing "#"?

Java Performance Loops For Loop system.out

Iterate through object properties

Javascript Loops Object

How does PHP 'foreach' actually work?

Php Loops Foreach Iteration Php Internals

How do I break out of nested loops in Java?

Java Loops Nested Loops

Why is using "for...in" for array iteration a bad idea?

Javascript Arrays Loops For Loop Iteration

Looping through the content of a file in Bash

Linux Bash Loops Unix Io

How to loop through a plain JavaScript object with the objects as members

Javascript Loops

Traverse a list in reverse order in Python

Python Loops Reverse

A for-loop to iterate over an enum in Java

Java Loops For Loop Enums

C# loop - break vs. continue

C#Loops Enumeration

What is the difference between range and xrange functions in Python 2.X?

Python Loops Range Python 2.x Xrange

How to break out of jQuery each loop?

Jquery Loops Break

Syntax for a single-line while loop in Bash

Bash Loops While Loop

Ways to iterate over a list in Java

Java Loops Collections Iteration

Calling remove in foreach loop in Java

Java Loops Iterator Foreach

What is the most "pythonic" way to iterate over a list in chunks?

Python List Loops Optimization Chunks

How to find the foreach index?

Php Loops Foreach

Looping through array and removing items, without breaking for loop

Javascript Loops

How do I iterate over a JSON structure?

Javascript Json Loops

What's the best way to break from nested loops in JavaScript?

Javascript Loops Nested Loops Break

PHP How to determine the first and last iteration in a foreach loop?

Php Loops Foreach

How to iterate over a JavaScript object?

Javascript Loops Object Iteration Javascript Objects

How to remove elements from a generic list while iterating over it?

C#List Loops Generics Key Value

Why does this go into an infinite loop?

Java Loops Operators Variable Assignment Increment

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

How do I add a delay in a JavaScript loop?

Javascript Loops Sleep

How to avoid "RuntimeError: dictionary changed size during iteration" error?

Python List Dictionary Loops

Is there a better way to run a command N times in bash?

do { ... } while (0) — what is it good for?

Iterating over all the keys of a map

Loops Dictionary Go

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

Ruby Arrays Loops

Breaking out of nested loops

Python Loops Nested Loops

Declaring variables inside loops, good practice or bad practice?

C++Loops Variable Declaration

How do I skip an iteration of a `foreach` loop?

Loop backwards using indices in Python?

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

Ruby Loops Syntax Iteration

How to retry after exception?

Python Loops Exception Try Except

Pythonic way to combine for-loop and if-statement

Python Loops If Statement For Loop

Is recursion ever faster than looping?

Performance Loops Recursion Iteration

Difference between declaring variables before or in loop?

Java Performance Loops Variables Initialization

Batch script loop

Windows Loops Batch File

Is there a way to access an iteration-counter in Java's for-each loop?

Java Loops For Loop Foreach

How do I break out of a loop in Perl?

Perl Loops Break Strict

How to Iterate over a Set/HashSet without an Iterator?

Java Loops Set Hashset

How can I loop through a C++ map of maps?

C++Loops Dictionary Iteration Idioms

What's the fastest way to loop through an array in JavaScript?

Javascript Performance Loops

How to do something to each file in a directory with a batch script

Windows File Loops Batch File Cmd

Are loops really faster in reverse?

Javascript Performance Loops For Loop While Loop

How do I loop through a list by twos?

Python List Loops For Loop Iteration

Syntax of for-loop in SQL Server

Sql Sql Server Loops Tsql Syntax

Is there a way to loop through a table variable in TSQL without using a cursor?

Sql Server Tsql Loops

For every character in string

C++Loops For Loop Character

How to loop through array in jQuery?

Javascript Jquery Arrays Loops Iteration

How to write loop in a Makefile?

Is there a way to iterate over a range of integers?

Loops Go Integer Range

How do I loop through a date range?

C#asp.net Datetime Loops

How do I apply the for-each loop to every character in a String?

Java String Loops Foreach Char

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

Ruby on-Rails Ruby Loops Exit Pry

How do you run a command for each line of a file?

Bash Loops Line

Does return stop a loop?

Javascript Loops Return

Is it possible to implement a Python for range loop without an iterator variable?

Python Loops For Loop Range

"for" vs "each" in Ruby

Ruby Loops Foreach Iteration Each

`break` and `continue` in `forEach` in Kotlin

Loops Foreach Lambda Kotlin

Speed up the loop operation in R

Performance R Loops Rcpp R Faq

How to efficiently remove all null elements from a ArrayList or String Array?

Java Performance Loops For Loop Arraylist

Should try...catch go inside or outside a loop?

Java Performance Loops Try Catch

foreach vs someList.ForEach(){}

C#.Net Generics Loops Enumeration

Null check in an enhanced for loop

Java Syntax Loops For Loop

JavaScript: Difference between .forEach() and .map()

Javascript Arrays Loops Foreach

How do I count occurrence of unique values inside a list

Python Arrays Variables Loops Unique

How to loop through an associative array and get the key?

Php Loops Associative Array

How can I make sense of the `else` clause of Python loops?

Python Loops For Loop While Loop

Emulating a do-while loop in Bash

Bash Loops Do While

In Java, what are the advantages of streams over loops?

Java Loops Java 8 Java Stream

How to create an infinite loop in Windows batch file?

Windows Loops Batch File Infinite Loop

How to add an integer to each element in a list?

Python Loops Addition

Why does Lua have no "continue" statement?

Loops Lua Language Design

How do you create different variable names while in a loop?

Python Loops Variables

Check if key exists and iterate the JSON array using Python

Python Json Loops

Is there a "do ... until" in Python?

Twig for loop for arrays with keys

Php Arrays Loops Twig

Looping in a spiral

Algorithm Matrix Loops Spiral

Python: Continuing to next iteration in outer loop

Is there any overhead to declaring a variable within a loop? (C++)

C++Loops Variable Declaration

Loop through a date range with JavaScript

Javascript Loops Date Iteration Date Range

PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)

Php Arrays Loops Reference

How to find the most recent file in a directory using .NET, and without looping?

C#.Net File Loops Last Modified

Optimizing away a "while(1);" in C++0x

C++Loops C++11 Language Lawyer Undefined Behavior

Checking if array is multidimensional or not?

Php Arrays Loops Multidimensional Array Element

How to loop through key/value object in Javascript?

Javascript Loops For Loop Iteration Key Value

Loop through a comma-separated shell variable

Shell Loops Unix For Loop Cut

Python loop counter in a for loop

Loops For Loop Python

Why does using from future import print_function breaks Python2-style print?

Python Python 2.7 Loops Vim Python Import

What is the best way to loop through this array in PHP?

Php Arrays Printing Loops

How to loop through a HashMap in JSP?

Java Jsp Loops Hashmap

C# Iterate through Class properties

C#Properties Loops

How do you remove an array element in a foreach loop?

Php Arrays Loops Foreach

Javascript efficiency: 'for' vs 'forEach'

Javascript Loops For Loop Foreach

Iterating through a JSON object

Python Dictionary Loops

Is the "*apply" family really not vectorized?

R Performance Loops Vectorization Apply

Numpy how to iterate over columns of array?

Python Loops Numpy

Iterating Over Dictionary Key Values Corresponding to List in Python

Python List Function Dictionary Loops

Iterator Loop vs index loop

C++Loops C++11 Indexing Iterator

How to break out of a loop from inside a switch?

C++Loops Syntax Switch Statement Break

How to early break reduce() method?

Javascript Loops Reduce

Is it faster to count down than it is to count up?

C Performance Loops

Why do you have to call .items() when iterating over a dictionary in Python?

Python Loops Dictionary

How to split a long array into smaller arrays, with JavaScript

Javascript Jquery Arrays Loops

Check if list<t> contains any of another list

C#List Loops C# 4.0 Subset

How can I escape white space in a bash loop list?

Bash Loops Whitespace

Do while loop in SQL Server 2008

Sql Server Sql Server-2008 Loops While Loop Do While

Python : List of dict, if exists increment a dict value, if not append a new dict

Python Loops List Tuples

Can you 'exit' a loop in PHP?

Iterate through pairs of items in a Python list

Python List Loops

Scala downwards or decreasing for loop?

Scala Iterator Loops For Loop

Loop through a Map with JSTL

Check for null in foreach loop

C#Loops Foreach Null

Single Line Nested For Loops

Python Loops For Loop Nested Nested Loops

How to iterate over array of objects in Handlebars?

Arrays Loops Each handlebars.js

What is the difference between i = i + 1 and i += 1 in a 'for' loop?

Python Loops Numpy Operators

Loop through each row of a range in Excel

Excel Vba Loops Excel 2003

Indexes of all occurrences of character in a string

Java Loops Indexing Character

Iterating through a list to render multiple widgets in Flutter?

Flutter Loops Dart

For what value of i does while (i == i + 1) {} loop forever?

Java Loops Types

Breaking loop when "warnings()" appear in R

R Loops Warnings Break

Looping through localStorage in HTML5 and JavaScript

Javascript Html Loops Object Local Storage

Is it safe to delete an object property while iterating over them?

Javascript Loops Object Properties

Angular 2 Cannot find control with unspecified name attribute on formArrays

Loops Angular Angular2 Forms

Decreasing for loops in Python impossible?

Python Loops For Loop

How can I loop through all rows of a table? (MySQL)

VBA - how to conditionally skip a for loop iteration

Vba Conditional Loops

C#: Looping through lines of multiline string

C#Loops Multilinestring

Loop through list with both content and index

Python List Loops

How to loop through dates using Bash?

Bash Loops Date

Equivalent VB keyword for 'break'

vb.net Loops Vb6 Exit

Rails: fields_for with index?

Ruby on-Rails Loops Fields For

Iterate over two arrays simultaneously in bash

Arrays Bash Loops

Can a 'for' loop inside of a 'for' loop use the same counter variable name?

C Loops For Loop Nested

PHP: Can I get the index in an array_map function?

Php Arrays Loops Dictionary Iteration

Loop through childNodes

Javascript Loops Children

Iterating through a golang map

Creating an array from a text file in Bash

Arrays Bash Loops Scripting Variable Assignment

How to loop over a Class attributes in Java?

Java Attributes Loops

Loop that also accesses previous and next values

Python Loops Iteration

Looping through files in a folder Node.JS

Javascript Arrays node.js Loops Fs

Updating value in iterrow for pandas

Python Loops Pandas Explicit

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

Looping through alphabets in Bash

Bash Loops For Loop

VB.NET - How to move to next item a For Each Loop?

Extract list of attributes from list of objects in python

List Loops Python

More Pythonic Way to Run a Process X Times

For Loop on Lua

Loops For Loop Lua

Why are memcpy() and memmove() faster than pointer increments?

Looping from 1 to infinity in Python

Counter inside xsl:for-each loop

Why are we using i as a counter in loops?

Variables Loops Naming

How to make for loops in Java increase by increments other than 1

Java Loops For Loop

How to render a tree in Twig

Loops Recursion Tree Twig

Python - TypeError: 'int' object is not iterable

Python Python 3.x List Loops Iterable

How to reverse tuples in Python?

Python Loops Iteration Tuples

How can I iterate over a string by runes in Go?

String Loops Go Rune

Lambda in a loop

Python Loops Anonymous Function

When should I call SaveChanges() when creating 1000's of Entity Framework objects? (like during an import)

Entity Framework Import Loops Performance Savechanges

How can I loop through all subviews of a UIView, and their subviews and their subviews

Iphone Objective C Loops Uiview Subview

Why does a for loop behave differently when migrating VB.NET code to C#?

C#vb.net Loops For Loop

MySQL: How to insert a record for each result in a SQL query?

Mysql Sql Loops Insert

Creating a list of objects in Python

Python List Object Loops

Is there ever a need for a "do {...} while ( )" loop?

How to break outer loops from inner structures that respond break (loops/switch)

Loops Nested Loops Swift

How to concat string + i?

String Matlab Loops For Loop Octave

Is it bad practice to use break to exit a loop in Java?

Java Loops Jvm Break

Correct way of looping through C++ arrays

C++Arrays Loops C++11

How to for_each through a list(objects) in Terraform 0.12

List Loops Object Foreach Terraform

Why is 'for(var item in list)' with arrays considered bad practice in JavaScript?

Javascript Arrays Loops

Object does not support item assignment error

Python Django Loops Dictionary

How to 'continue' inside a each loop : underscore, node.js

node.js Loops underscore.js

For vs. while in C programming?

C Loops For Loop While Loop

Breaking the nested loop

Php Loops Nested Loops

While loop with promises

node.js Loops Promise Q

Get iteration index from List.map()

Loops Dictionary Indexing Dart Flutter

Iterating over arbitrary dimension of numpy.array

Python Numpy Loops

Breaking out of a for loop in Java

Java Loops For Loop Break

Endless loop in C/C++

C++C Loops Infinite Loop

How can I break out of two nested for loops in Objective-C?

C Objective C Loops

How to break out of multiple loops at once in C#?

C#Loops Goto Break

Django template can't loop defaultdict

Python Django Loops

Strange result when removing item from a list while iterating over it

Python List Loops

How to iterate through table in Lua?

Arrays Loops Lua Key Lua Table

Why can't I use foreach on Java Enumeration?

How to iterate through property names of Javascript object?

Javascript Loops Object

skip current iteration

Looping Over Result Sets in MySQL

Mysql Loops Stored Procedures Database Cursor

do-while loop in R

R Loops Repeat Do While R Faq

Is there an equivalent to the "for ... else" Python loop in C++?

Python C++Loops For Loop Break

iterate vector, remove certain items as I go

C++Data Structures Vector Loops Iterator

Jquery each - Stop loop and return object

Jquery Loops Return Each

Continue in nested while loops

C#Loops While Loop Continue

Ruby: Continue a loop after catching an exception

Ruby Exception Handling Loops

How does a for loop work, specifically for(;;)?

Java Loops Syntax For Loop Iteration

Should I avoid using Java Label Statements?

Using command line argument range in bash for loop prints brackets containing the arguments

Bash Command Line Loops For Loop Arguments

Skip over a value in the range function in python

Python Loops For Loop Range

How to have css3 animation to loop forever

Css Loops Animation Keyframe Forever

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

Ruby on-Rails Ruby Loops Iterator

Modifying list while iterating

Python List Iterator Loops

JavaScript loop performance - Why is to decrement the iterator toward 0 faster than incrementing

Javascript Performance Loops

Why use a for loop instead of a while loop?

Loops Coding Style Control Flow

How to break from nested loops in Ruby?

Ruby Loops Nested Loops

What is the difference between "++" and "+= 1 " operators?

C++Loops Integer Auto Increment Increment

How do I do a "break" or "continue" when in a functional loop within Kotlin?

Loops Functional Programming Break Kotlin Continue

Recursion vs loops

Recursion Loops

Continue For loop

Vba Loops For Loop Next

Retry a Bash command with timeout

Bash Loops Timeout

Bash scripting, multiple conditions in while loop

Bash Shell Loops While Loop

Elegant way for do ... while in groovy

Loops Groovy Do While

Empty loop is slower than a non-empty one in C

C Performance Loops

What's the best way to loop through a set of elements in JavaScript?

Javascript Arrays Loops Elements

PHP: How do you determine every Nth iteration of a loop?

Jquery, checking if a value exists in array or not

Javascript Jquery Arrays Loops

Loop through files in a folder in matlab

Matlab Loops File Io Csv

Iterating over a 2 dimensional python list

Python Loops Multidimensional Array

Run command every second in Bash?

Doesn't JavaScript support closures with local variables?

Javascript Loops Closures

Why should I avoid loops when designing relationships for a database?

Database Database Design Loops Data Modeling Entity Relationship

Is using a 'goto' statement bad?

C#Loops Break Goto

Looping through rows in a DataView

.Net Loops Dataview

Iterate through dictionary values?

Python Python 3.x Loops Dictionary Key Value

How to stop intense Javascript loop from freezing the browser

Javascript Jquery Performance Loops

Please explain the use of JavaScript closures in loops

Javascript Loops Scope Closures

Iterate a certain number of times without storing the iteration number anywhere

Python Loops Range

How to loop over something a specified number of times in JSTL?

Subplot for seaborn boxplot

Python Python 3.x Loops Seaborn Boxplot

How do you loop through a multiline string in Ruby?

Ruby String While Loop Loops

What is the best way to iterate over the lines of a Java String?

Java String Loops

How does OpenMP handle nested loops?

C++Loops Parallel Processing Openmp

Python For loop get index

Python Loops For Loop Indexing

How to break outer cycle in Ruby?

Ruby Loops Cycle

LINQ: How to skip one then take the rest of a sequence

C#Linq List Loops Skip

Repeating a function every few seconds

Why do some kernel programmers use goto instead of simple while loops?

C Linux Loops Linux Kernel Goto

Is indexing vectors in MATLAB inefficient?

Arrays Performance Matlab Loops Vectorization

Loop starting at -1 doesn't print anything

C Loops Integer Sizeof Negative Number

for expressions versus foreach in Scala

Scala Loops Foreach

endforeach in loops?

Php Loops Foreach If Statement

How to make a setInterval stop after some time or after a number of actions?

Javascript Loops

for or while loop to do something n times

Python Performance Loops For Loop While Loop

Loop through array of variable names in Less

Using scientific notation in for loops

How to break out of nested loops in Go?

PHP read sub-directories and loop through files how to?

Php Loops Directory

Iterating over integer[] in PL/pgSQL

Arrays Postgresql Loops Plpgsql Postgresql 8.4

Is using labels in JavaScript bad practice?

Javascript Loops Label Nested Loops Break

What is meant by a number after "break" or "continue" in PHP?

Php Loops Breakpoints Break Continue

In a "for" statement, should I use `!=` or `<`?

C++Loops For Loop Conditional Statements

Node.js - Using the async lib - async.foreach with object

node.js Loops Object Asynchronous Node Async

range in jinja2 inside a for loop

Python Loops Jinja2

How can "a <= b && b <= a && a != b" be true?

Java Loops If Statement Autoboxing

Incrementing a variable inside a Bash loop

Bash Shell Loops

JavaScript flattening an array of arrays of objects

Javascript Arrays Loops Flatten

When to use forEach(_:) instead of for in?

Swift Loops Foreach Sequence For in-Loop

Best Loop Idiom for special casing the last element

Java Loops While Loop Idioms

Groovy, how to iterate a list with an index

Arrays List Groovy Loops

Sum two arrays in single iteration

Javascript Arrays Loops

illegal use of break statement; javascript

Javascript Loops Break

Loop Over Array in Javascript

Javascript Arrays Loops For Loop Foreach

Identifying last loop when using for each

C#Java Ruby Loops Foreach

Start a loop from 1

How to loop through all elements of a form jQuery

C# Wait until condition is true

ViewPostIme pointer 1/0

Java Android Loops Spinner