All Operators Solutions on Gang of Coders

Total of 222 Operators Solutions

What is the "-->" operator in C/C++?

C Operators Code Formatting Standards Compliance

Does Python have a ternary conditional operator?

Python Operators Conditional Operator

Which equals operator (== vs ===) should be used in JavaScript comparisons?

Javascript Operators Equality Equality Operator Identity Operator

Reference — What does this symbol mean in PHP?

Php Arguments Operators Symbols Semantics

What is the !! (not not) operator in JavaScript?

Javascript Operators

Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

Java Casting Operators Variable Assignment Assignment Operator

What are the basic rules and idioms for operator overloading?

C++Operators Operator Overloading C++ Faq

What does the ??!??! operator do in C?

C Operators Trigraphs

Is there a "null coalescing" operator in JavaScript?

Javascript Operators Null Coalescing-Operator Null Coalescing

What are bitwise shift (bit-shift) operators and how do they work?

Language Agnostic Bit Manipulation Operators Bit Shift Binary Operators

Behaviour of increment and decrement operators in Python

Python Operators Increment Decrement

JavaScript plus sign in front of function expression

Javascript Function Operators Iife Self Invoking-Function

What is the use of the @ symbol in PHP?

Php Operators Error Suppression

"is" operator behaves unexpectedly with integers

Python Int Operators Identity Python Internals

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

Ruby Comparison Operators Equality

What is the difference between '/' and '//' when used for division?

Python Math Syntax Operators Floor Division

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

Ruby Syntax Operators Parameter Passing

Why does this go into an infinite loop?

Java Loops Operators Variable Assignment Increment

Why are there no ++ and -- operators in Python?

Python Operators

Is there a conditional ternary operator in VB.NET?

vb.net Operators Conditional Operator Short Circuiting

What does question mark and dot operator ?. mean in C# 6.0?

C#Operators C# 6.0

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

Ruby Syntax Operators

Difference between >>> and >>

Java Syntax Operators

What do all of Scala's symbolic operators mean?

Scala Operators

Is there a "not equal" operator in Python?

Python Operators

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

Can't operator == be applied to generic types in C#?

C#Generics Operators Equals Operator

What is the difference between the | and || or operators?

C#Php Operators

What is the difference between the dot (.) operator and -> in C++?

Why does (0 < 5 < 3) return true?

Javascript Compare Operators Boolean Logic

Difference between "and" and && in Ruby?

Logical XOR operator in C++?

C++Operators Logical Operators

What is the instanceof operator in JavaScript?

Javascript Operators Instanceof

Why don't C++ compilers define operator== and operator!=?

What does "|=" mean? (pipe equal operator)

Java Android Operators

'AND' vs '&&' as operator

Php Operators Operator Precedence

Python != operation vs "is not"

Python Operators

What does the ^ operator do in Java?

Java Operators Exponentiation

Use of "instanceof" in Java

Java Operators Instanceof

How can I obtain the element-wise logical NOT of a pandas Series?

Python Pandas Operators Boolean Logic

What is x after "x = x++"?

Java Operators Post Increment

Batch not-equal (inequality) operator

Batch File Operators

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

Ruby Operators Comparison Operators Spaceship Operator

Creating a "logical exclusive or" operator in Java

Java Operators Xor

How is the AND/OR operator represented as in Regular Expressions?

Regex Operators

What does the question mark and the colon (?: ternary operator) mean in objective-c?

Objective C C Syntax Operators Conditional Operator

The tilde operator in Python

Python Operators

How do I overload the square-bracket operator in C#?

C#Collections Operators Operator Overloading

What is the result of % in Python?

Python Python 2.7 Syntax Operators Modulo

Is there a “not in” operator in JavaScript for checking object properties?

Javascript Object Properties Operators

Question mark and colon in JavaScript

Javascript Syntax Operators Conditional Operator

What is the <=> ("spaceship", three-way comparison) operator in C++?

C++Operators C++ Faq C++20 Spaceship Operator

What does = +_ mean in JavaScript

Javascript Operators

Override Python's 'in' operator?

Python Operator Overloading Operators In Operator

insert vs emplace vs operator[] in c++ map

C++Dictionary Insert Operators Emplace

proper name for python * operator?

Python Operators Splat

What is <=> (the 'Spaceship' Operator) in PHP 7?

Php Operators Php 7 Spaceship Operator

Regex how to match an optional character

Regex String Operators

Is there an exponent operator in C#?

C#Operators Arithmetic Expressions Exponent

When is "i += x" different from "i = i + x" in Python?

Python Operators

No increment operator (++) in Ruby?

What is the '@=' symbol for in Python?

Python Python 3.x Operators Matrix Multiplication Python 3.5

How does the bitwise complement operator (~ tilde) work?

Operators Bitwise Operators Complement

Double not (!!) operator in PHP

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

Java Operators Boolean Bitwise Operators

Are there pronounceable names for common Haskell operators?

Haskell Operators

PowerShell and the -contains operator

Powershell Operators String Matching

What is the meaning of three dots (...) in PHP?

Php Syntax Operators

Does the ternary operator exist in R?

What is &&& operation in C

C++C Operators Compiler Optimization Gcc Warning

Difference between "or" and || in Ruby?

Static implicit operator

C#Operators Implicit Conversion

What does the comma operator , do?

C Operators Comma Operator

Is there a VB.NET equivalent for C#'s '??' operator?

vb.net Operators Null Coalescing-Operator

What is `1..truediv` ? Does Python have a .. ("dot dot") notation syntax?

Python Python 3.x Syntax Operators Python 2.x

What's the difference between “mod” and “remainder”?

C Math Operators

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

Ruby Operators Splat

R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?

R Operators Variable Assignment Increment

What is this operator <=> in MySQL?

Mysql Sql Operators Spaceship Operator

What's this =! operator?

What does i = (i, ++i, 1) + 1; do?

C Operators Expression Compiler Warnings Comma Operator

Why is === faster than == in PHP?

Php Operators Comparison Operators Equality Operator Identity Operator

Is there a C# case insensitive equals operator?

C#.Net String Operators Case Insensitive

What is the JavaScript >>> operator and how do you use it?

Javascript Operators Bit Shift

Difference between & and && in Java?

Difference between "!==" and "==!"

Php Comparison Operators Comparison Operators

What are the ?? double question marks in Dart?

The 3 different equals

Php Comparison Operators

Does the Java &= operator apply & or &&?

What exactly does += do?

Python Operators Compound Assignment

Best way to give a variable a default value (simulate Perl ||, ||= )

Php Perl Operators Default Value

What does the caret (^) operator do?

Python Operators Caret

What is a Question Mark "?" and Colon ":" Operator Used for?

Java Operators Ternary Operator Conditional Operator

String concatenation does not work in SQLite

Sql Sqlite String Operators Concatenation

Scala @ operator

Scala Operators

ruby operator "=~"

What does |= (single pipe equal) and &=(single ampersand equal) mean

C#Operators Bitwise Operators

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

Ruby Operators Language Design

Why '&&' and not '&'?

How to use greater than operator with date?

Mysql Date Operators

javascript i++ vs ++i

Javascript Operators

C# lambda expression reverse direction <=

C#Lambda Operators

Is there a difference between x++ and ++x in java?

Java Syntax Operators Increment

What is the "->" PHP operator called?

Php Operators Terminology

What does ":=" do?

Operators Colon Equals

Concatenate two string literals

C++String Syntax Operators Concatenation

Asterisk in function call

Python Operators

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

Python Loops Numpy Operators

Understanding the "is" operator

Python Operators

Javascript: operator overloading

Javascript Operators Operator Overloading

How do "and" and "or" act with non-boolean values?

Python Operators Logical Operators

Should ne be implemented as the negation of eq?

Python Comparison Operators Inequality Python Datamodel

Logical Operators, || or OR?

Php Operators Logical Operators Or Operator

Reference assignment operator in PHP, =&

Php Operators Assignment Operator

jQuery select by attribute using AND and OR operators

Jquery Jquery Selectors Find Operators

Implementing comparison operators via 'tuple' and 'tie', a good idea?

C++C++11 Operators Tuples Strict Weak-Ordering

Bitwise operation and usage

Python Binary Operators Bit Manipulation

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

The tilde operator in C

The difference between ++Var and Var++

Java Operators Increment Post Increment Pre Increment

"x not in y" or "not x in y"

Python Syntax Operators

Why do these snippets of JavaScript behave differently even though they both encounter an error?

Javascript Operators Order of-Execution

What is the meaning of "operator bool() const"

C++Operators Implicit Conversion Conversion Operator

spread operator vs array.concat()

Javascript Arrays Typescript Ecmascript 6 Operators

Why is sizeof considered an operator?

C Operators Sizeof

MySQL "IN" operator performance on (large?) number of values

Mysql Sql Performance Operators

What does && mean in void *p = &&abc;

C++C Gcc Operators

Is there a C# IN operator?

C#Sql Operators In Operator

! operator in typescript after object method

Object Typescript Operators

How can I round to whole numbers in JavaScript?

Javascript Operators Rounding

Is there an "opposite" to the null coalescing operator? (…in any language?)

C#Programming Languages Syntax Operators Null Coalescing-Operator

Are Variable Operators Possible?

Javascript Variables Operators Operator Keyword Dynamic Variables

How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method call?

Javascript Jquery Operators Bitwise Operators

What does the colon (:) operator do?

Java For Loop Foreach Operators Colon

What does << mean in Ruby?

Ruby Arrays Operators

Conditional XOR?

C#Operators Xor Boolean Operations

What does the question mark character ('?') mean in C++?

C++Operators Conditional Operator

How can I calculate divide and modulo for integers in C#?

C#Math Operators Division Modulo

Using the && operator in an if statement

Bash If Statement Syntax Operators

What's the difference between ++$i and $i++ in PHP?

What is the difference between "::" "." and "->" in c++

C++Operators Field Member

Python: defining my own operators?

Python Operators

php == vs === operator

Php Comparison Operators Equality

Is there no XOR operator for booleans in golang?

Go Operators Logical Operators Xor

Overriding "+=" in Python? (iadd() method)

Python Operators Overriding

What does the ^ (caret) symbol do in JavaScript?

Javascript Math Operators

What are the pointer-to-member operators ->* and .* in C++?

C++Operators Pointer to-Member Operator Arrow-Star

Is x += a quicker than x = x + a?

C++Performance Operators

What does the ^ (XOR) operator do?

Do all C++ operators return something?

Java: What does ~ mean

Java Syntax Operators Special Characters

Ruby ternary operator without else

Ruby Operators Conditional Conditional Operator

So what exactly does “from future import barry_as_FLUFL” do?

Python Operators

Why are bitwise shifts (<< and >>) used for cout and cin?

C++Io Operators

Why does JavaScript handle the plus and minus operators between strings and numbers differently?

Javascript String Numbers Operators

Not equal to != and !== in PHP

How to raise a number to a power?

Rust Operators Exponentiation

VB.NET vs C# integer division

C#.Net vb.net Operators Division

Is this how the + operator is implemented in C?

C Operators Bitwise Operators

Why does >= return false when == returns true for null values?

C#Comparison Operators Nullable

Akka in Scala, exclamation mark and question mark

Scala Operators Akka Actor

C++ and,or,not,xor keywords

Can you append strings to variables in PHP?

Php String Operators

~= operator in Swift

Ios Swift Operators

Suppress error with @ operator in PHP

Php Operators Error Suppression

What do the "=&" and "&=" operators in PHP mean?

Conversion constructor vs. conversion operator: precedence

C++Constructor Operators Type Conversion Conversion Operator

What needs to be overridden in a struct to ensure equality operates properly?

C#.Net Struct Operators Equals Operator

What does '&' do in a C++ declaration?

C++Syntax Operators

What characters are permitted for Haskell operators?

Haskell Syntax Operators

^ operator in java

What does the percentage sign mean in Python

Python Operators Modulo

In PHP, what does "<<<" represent?

Php String Operators Heredoc

What does bitwise XOR (exclusive OR) mean?

Math Language Agnostic Bit Manipulation Operators Xor

How do I get a decimal value when using the division operator in Python?

Python Python 2.7 Math Syntax Operators

What do these operators mean (** , ^ , %, //)?

Python Math Operators Native

Is relying on && short-circuiting safe in .NET?

C#.Net Operators Logical Operators Short Circuiting

Why are there no ||= or &&= operators in C#?

C#Operators Language Design Assignment Operator Compound Assignment

"x not in" vs. "not x in"

Python Operators

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

Bash Shell Unix Boolean Operators

Oracle: What does `(+)` do in a WHERE clause?

Sql Oracle Operators

Understanding PHP & (ampersand, bitwise and) operator

Php Operators Bit Manipulation Bitwise Operators

Under what circumstances are rmul called?

Python Operators

What does `<>` mean in Python?

Python Syntax Operators Python 2.x

How can I repeat a string N times in Perl?

String Perl Operators Repeat

Is it possible to create a new operator in c#?

C#.Net Operators

Using the AND and NOT Operator in Python

Python Operators

Why does the = operator work on structs without having been defined?

C++Gcc Operators

Recognizing when to use the modulus operator

Operators Modulo

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

Ruby Syntax Error Operators Operator Precedence Associativity

Can you make custom operators in C++?

C++Templates Operators C Preprocessor Metaprogramming

What is the difference between operator "=" and "==" in Bash?

What is the "=~" operator in Ruby?

The ternary (conditional) operator in C

C Operators Ternary Operator Conditional Operator

Pipe (|) operator in Java

Difference between "not equal" operators <> and != in PHP

What does $ mean/do in Haskell?

Haskell Syntax Operators Dollar Sign

What does the arrow ("->") operator do in Kotlin?

Operators Kotlin

The copy constructor and assignment operator

C++Constructor Operators Copy Constructor Assignment Operator

C++ [] array operator with multiple arguments?

C++Arrays Operators Operator Keyword

increment map<string, int> using ++ operator

C++Map Operators

Is the double asterisk ** a valid JavaScript operator?

Javascript Math Operators

What does `` mean in the expression `dict(d1, d2)`?

Python Syntax Dictionary Operators Set Operations

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

What is the operator "" in C++?

C++Operators Language Design

'At' symbol before variable name in PHP: @$_POST

Php Error Handling Operators

What does "===" mean?

Php Operators Comparison Operators Identity Operator

Difference between IN and ANY operators in SQL

Sql Operators Any

Valid identifier characters in Scala

Scala Operators

Is there a short-hand for nth root of x in Python?

Python Math Operators Square Root

XOR operation with two strings in java

Java String Operators Xor

How do you declare x and y so that x+=y gives a compilation error and x=x+y not?

Java Operators Shorthand

Is there any performance difference between ++i and i++ in C#?

C#Operators Performance

Modulo operator in Python

Python Operators Modulo

What is the difference between <> and !=

What is difference between != and <> in sql server

Sql Sql Server Operators

What is the bitwise NOT operator in Rust?

In what situation should the built-in 'operator' module be used in python?

Python Operators

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

Ruby on-Rails Ruby Operators Symbols Hashrocket

What is the difference between "||" and "or" in Perl?

Does the VBA "And" operator evaluate the second argument when the first is false?

Excel Vba Operators

Is this ->> an old operator or a typo/error?

C++C Operators History