All Boolean Solutions on Gang of Coders

Total of 177 Boolean Solutions

Which MySQL data type to use for storing boolean values

Mysql Boolean Sqldatatypes

How can I declare and use Boolean variables in a shell script?

Bash Shell Scripting Boolean Sh

Converting from a string to boolean in Python?

Python String Boolean

Parsing boolean values with argparse

Python Boolean Argparse Command Line-Arguments

Using boolean values in C

Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()

Python Pandas Dataframe Boolean Filtering

What is the printf format specifier for bool?

C++C Boolean Printf

Check if at least two out of three booleans are true

Java Boolean Boolean Logic

How to toggle a boolean?

Javascript Boolean Toggle

Is there a Boolean data type in Microsoft SQL Server like there is in MySQL?

Sql Server Types Boolean

Convert boolean to int in Java

Java Casting Boolean Int

How to convert string to boolean php

Php String Casting Boolean

How do you create a yes/no boolean field in SQL server?

Sql Server Boolean Sqldatatypes

Convert boolean result into number/integer

Javascript Numbers Integer Boolean Type Conversion

What is the difference between bool and Boolean types in C#

C#Types Boolean

How to convert String object to Boolean Object?

Java String Boolean

Is there any boolean type in Oracle databases?

Sql Database Oracle Boolean Sqldatatypes

Strange definitions of TRUE and FALSE macros

C++C Macros Boolean Obfuscation

Default value of 'boolean' and 'Boolean' in Java

Java Boolean Default Value

Is bool a native C type?

C Gcc Linux Kernel Boolean

Volatile boolean vs AtomicBoolean

Java Concurrency Boolean Volatile Atomicboolean

Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?

Python Boolean Equality Language Specifications

Returning a boolean from a Bash function

Bash Shell Boolean

How to create a numpy array of all True or all False?

Python Arrays Numpy Boolean Numpy Ndarray

In JavaScript, why is "0" equal to false, but when tested by 'if' it is not false by itself?

Javascript Boolean

Why does Boolean.ToString output "True" and not "true"

Logical operators for Boolean indexing in Pandas

Python Pandas Dataframe Boolean Filtering

Boolean vs boolean in Java

How do I use boolean variables in Perl?

How can I map True/False to 1/0 in a Pandas DataFrame?

Python Pandas Dataframe Numpy Boolean

Cleanest way to toggle a boolean variable in Java?

How to count the number of true elements in a NumPy bool array

Python Arrays Numpy Count Boolean

bash "if [ false ];" returns true instead of false -- why?

Bash Boolean Conditional Operator

JS generate random boolean

Javascript Random Boolean

What is the difference between & and && in Java?

Java Operators Boolean Bitwise Operators

PHP - Get bool to echo false when false

Objective-C : BOOL vs bool

C Objective C Types Boolean

Converting string "true" / "false" to boolean value

Javascript Boolean

How are booleans formatted in Strings in Python?

Python Boolean String Formatting

Why is a boolean 1 byte and not 1 bit of size?

C++Boolean Byte Cpu Architecture Abi

Counting the number of True Booleans in a Python List

Python List Boolean Counting

Return Boolean Value on SQL Select Statement

Sql Select Boolean

Get boolean from database using Android and SQLite

Java Android Sqlite Boolean

How to convert a boolean array to an int array

Python Integer Boolean Type Conversion Scilab

When should null values of Boolean be used?

Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

Objective C Boolean

Ruby: How to convert a string to boolean

Ruby String Boolean Type Conversion

Is there XNOR (Logical biconditional) operator in C#?

C#Boolean Boolean Operations

In javascript, is an empty string always false as a boolean?

Javascript String Boolean

How do I get the opposite (negation) of a Boolean in Python?

Is the operation "false < true" well defined?

C++Boolean Language Lawyer Comparison Operators

C++ : why bool is 8 bits long?

C++Boolean Size

Boolean Field in Oracle

Oracle Boolean Sqldatatypes

Why does "a == x or y or z" always evaluate to True?

Python Boolean Boolean Expression

Why 0 is true but false is 1 in the shell?

Parsing a string into a boolean value in PHP

Php Parsing Boolean

Easiest way to flip a boolean value?

C++C Boolean Boolean Logic

ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC

C#asp.net Mvc Model Radio Button Boolean

Booleans, conditional operators and autoboxing

Java Nullpointerexception Boolean Conditional Operator Autoboxing

Why does "sizeof(a ? true : false)" give an output of four bytes?

C Boolean Sizeof Conditional Operator C11

Double Negation in C++

Compact way of writing (a + b == c or a + c == b or b + c == a)

What are bitwise operators?

Javascript Boolean Bitwise Operators Boolean Logic

Is sizeof(bool) defined in the C++ language standard?

C++Boolean Sizeof Implementation Defined-Behavior

Boolean.hashCode()

Java Boolean Hashcode

Effect of a Bitwise Operator on a Boolean in Java

Java Boolean Bitwise Operators

Can I assume (bool)true == (int)1 for any C++ compiler?

C++Casting Boolean

Are booleans as method arguments unacceptable?

Coding Style Boolean Enumeration

How to print boolean value in Go?

Best approach to converting Boolean object to string in java

How do I use a Boolean in Python?

Java boolean getters "is" vs "are"

Java Naming Conventions Boolean

Boolean.valueOf() produces NullPointerException sometimes

Java Nullpointerexception Boolean

Why is Java's boolean primitive size not defined?

Converting bool to text in C++

C++String Boolean

bool operator ++ and --

C++Boolean Increment

Boolean identity == True vs is True

Python Boolean Jython Cpython Pypy

Which is faster : if (bool) or if(int)?

C++Assembly Int Boolean

Checking the value of an Optional Bool

Swift Boolean Optional

Alternative to vector<bool>

C++Stl Vector Boolean

BOOLEAN or TINYINT confusion

Mysql Types Boolean Tinyint

Default value of BOOL

Objective C Initialization Boolean

Fastest way to generate a random boolean

C#Performance Random Boolean

double equals vs is in python

Python Comparison Boolean Equals Equality

Declaring a boolean in JavaScript using just var

Javascript Boolean

C99 boolean data type?

C Types Boolean C99

Is a bool read/write atomic in C#

C#.Net Concurrency Locking Boolean

Convert True/False value read from file to boolean

Python String Boolean

Using bitwise operators for Booleans in C++

C++Boolean Bitwise Operators

iOS: Use a boolean in NSUserDefaults

Iphone Objective C Boolean Nsuserdefaults Modalviewcontroller

Why is bool a subclass of int?

Java check if boolean is null

Java Performance Boolean Nullable

What is the size of a boolean variable in Java?

How do I undo True = False in python interactive mode?

Python Boolean Python 2.x

How to create a boolean value?

Xml Xslt Boolean Xslt 1.0 Xslt 2.0

How do I concatenate a boolean to a string in Python?

Python String Casting Boolean Concatenation

What is the difference between Convert.ToBoolean(string) and Boolean.Parse(string)?

C#Parsing Boolean

SQL Server - boolean literal?

Sql Sql Server Boolean Literals

What is the most elegant way to check if all values in a boolean array are true?

Java Arrays Boolean

Get random boolean in Java

Java Random Boolean

What does this boolean "(number & 1) == 0" mean?

Java Methods Arraylist Boolean Int

Convert.ToBoolean and Boolean.Parse don't accept 0 and 1

Should programmers use boolean variables to "document" their code?

Boolean Conventions Self Documenting

How do I submit a boolean parameter in Rails?

Ruby on-Rails Parsing Parameters Boolean

Get random boolean true/false in PHP

Php Random Boolean

Why is the ternary operator used to define 1 and 0 in a macro?

C++C Boolean Ternary Operator

C++ printing boolean, what is displayed?

C++Boolean Cout

Convert String to Bool in Swift - via API or most Swift-like approach

PHP: bool vs boolean type hinting

Php Boolean Default Value Type Hinting

Is there a boolean literal in SQLite?

Sqlite Boolean Literals

Is it bad to explicitly compare against boolean constants e.g. if (b == false) in Java?

Java Coding Style Boolean

Defining "boolness" of a class in python

Python Python 2.7 Class Boolean Python 2.x

Why use !! when converting int to bool?

C++Integer Boolean

in Dart, is there a `parse` for `bool` as there is for `int`?

Parsing Boolean Dart Coercion

Boolean value switch/invert

What is the purpose of new Boolean() in Javascript?

Javascript Boolean

In Java, what are the boolean "order of operations"?

Java Logic Boolean Evaluation Operator Precedence

Is it Pythonic to use bools as ints?

Why does bool and not bool both return true in this case?

Comparing boolean and int using isinstance

Python Int Boolean Comparison Isinstance

Objective-C dictionary inserting a BOOL

Objective C Dictionary Boolean

Angular, boolean value in a select box

Javascript Angularjs Boolean

Difference between _Bool and bool types in C?

C Types Boolean

Return True or False Randomly

Java Random Boolean

Boolean operators ( &&, -a, ||, -o ) in Bash

Bash Shell Unix Boolean Operators

Valid JavaBeans names for boolean getter methods

Java Boolean Naming Conventions Javabeans

How to set default boolean values in JavaScript?

Javascript Boolean

Python: if not val, vs if val is None

Python Comparison Boolean Readability

Can I 'invert' a bool?

True/False vs 0/1 in MySQL

Convert boolean to integer value php

Php Integer Boolean Type Conversion

Getting a list of indices where pandas boolean series is True

Python Pandas Boolean Series Boolean Indexing

What's the difference between boolean and Boolean in Java?

Java Gwt Boolean

In Java is boolean cast useless?

Java Types Boolean

Should I return 0 or 1 for successful function?

python how to "negate" value : if true return false, if false return true

Python Boolean Negate

Does true equal to 1 and false equal to 0?

Do negative numbers return false in C/C++?

What does "0 but true" mean in Perl?

Perl Integer Boolean

What's the difference between "bool" and "bool?"?

C#Boolean Nullable

xsd:boolean element type accept "true" but not "True". How can I make it accept it?

Xml Xsd Boolean

Converting from a std::string to bool

C++String Boolean

What is the difference between "option" and "set CACHE BOOL" for a CMake variable?

Cmake Boolean Global Variables Cmake Gui

BOOL to NSString

Objective C Nsstring Boolean

Better way to convert an int to a boolean

Do the &= and |= operators for bool short-circuit?

C++Boolean Lazy Evaluation Short Circuiting Compound Assignment

Why is "!!" considered bad form in Perl?

Perl Boolean Type Conversion

Why is an if/else if/else for a simple boolean not giving an "unreachable code" error

Java Boolean Unreachable Code

Python AND operator on two boolean lists - how?

Python List Boolean Operator Keyword

Why boolean in Java takes only true or false? Why not 1 or 0 also?

Checking date against date range in Python

Python Datetime Date Time Boolean

JSON values 1 or 0 - int or boolean

Json Integer Boolean

Why TRUE == "TRUE" is TRUE in R?

R Boolean Comparison Boolean Logic

Converting "true" (JSON) to Python equivalent "True"

Python Json Dictionary Boolean

Is std::is_unsigned<bool>::value well defined?

C++Boolean Language Lawyer C++14 Unsigned

overriding bool() for custom class

Python Class Casting Boolean Python 2.x

'True' and 'False' in Python

How to fire jQuery function only if form is valid

Javascript Jquery Boolean Unobtrusive Validation

How to write a `for` loop over bool values (false and true)

C++For Loop Boolean

Wait until boolean value changes it state

Java Multithreading Boolean

Why (null == false) and (null == true) both return false?

Javascript Null Boolean

Is !! a safe way to convert to bool in C++?

C++Visual C++Boolean

iPhone: Save boolean into Core Data

Iphone Core Data Boolean Uiswitch

How to parse NSString into BOOL in Objective-C?

Objective C Cocoa Nsstring Boolean

Java: Ternary with no return. (For method calling)

Java Methods Boolean Return Ternary

Comparing previous row values in Pandas DataFrame

Python Pandas Numpy Boolean Shift

What is the most 'pythonic' way to logically combine a list of booleans?

Python List Boolean

Is C/C++ bool type always guaranteed to be 0 or 1 when typecast'ed to int?

Initialize list with same bool value

Python List Initialization Boolean

Rails validates_presense not validating on boolean?

Ruby on-Rails Ruby on-Rails-4 Boolean

String literal matches bool overload instead of std::string

C++String Boolean Overloading Overload Resolution

WPF Radiobutton (two) (binding to boolean value)

Wpf Binding Radio Button Boolean

Can't cast int to bool

C#Casting Int Boolean

python tilde unary operator as negation numpy bool array

Python Numpy Boolean Multidimensional Array

What is "!!" in C?

C Gcc Boolean Boolean Expression

Select elements of numpy array via boolean mask array

Python Numpy Indexing Boolean Mask

Convert string to boolean in C#