
c++ - Why override operator ()? - Stack Overflow
Nov 25, 2008 · A disadvantage of overloading this operator is that some IDEs become less effective tools as a result. In Visual Studio, you can usually right-click on a method call to go to …
How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · What is the ?: (question mark and colon operator aka. conditional or "ternary") operator and how can I use it?
What are bitwise shift (bit-shift) operators and how do they work?
The Operators >> is the arithmetic (or signed) right shift operator. >>> is the logical (or unsigned) right shift operator. << is the left shift operator, and meets the needs of both logical and …
What's the right way to overload operator== for a class hierarchy?
I would implement operator== as a free functions, probably friends, only for the concrete leaf-node class types. If the base class has to have data members, then I would provide a (probably …
What does "|=" mean? (pipe equal operator) - Stack Overflow
Jan 13, 2013 · I wonder if adding something like pipe equal operator to this question or any other documentation on the topic wouldn't help people searching.
What are the basic rules and idioms for operator overloading?
Dec 12, 2010 · The General Syntax of Operator Overloading in C++ The Three Basic Rules of Operator Overloading in C++ The Decision between Member and Non-member Common …
Is there a "null coalescing" operator in JavaScript?
Jan 25, 2009 · The nullish coalescing operator (??) is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left …
null coalescing operator - What do two question marks together …
Jan 15, 2009 · Ran across this line of code: FormsAuth = formsAuth ?? new FormsAuthenticationWrapper(); What do the two question marks mean, is it some kind of …
C++ -- How to overload operator+=? - Stack Overflow
Class& operator @= (const Class& rhs); That is, the function takes its parameter by const reference (because it doesn't modify it), then returns a mutable reference to the object.
shell - Bash regex =~ operator - Stack Overflow
Oct 18, 2013 · 58 The =~ operator is a regular expression match operator. This operator is inspired by Perl's use of the same operator for regular expression matching. The [[ ]] is treated …