What is the difference between the | and || or operators?
The & operator does "run these 3 functions, and if one of them returns false, execute the else block", while the | does "only run the else block if none return false" - can be useful, but as …
What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · 30 <> operator means not equal to in MS SQL. It compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left …
What does the `%` (percent) operator mean? - Stack Overflow
1 That is the modulo operator, which finds the remainder of division of one number by another. So in this case a will be the remainder of b divided by c.
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?
c - What does tilde (~) operator do? - Stack Overflow
The ~ operator in C++ (and other C-like languages like C and Java) performs a bitwise NOT operation - all the 1 bits in the operand are set to 0 and all the 0 bits in the operand are set to …
When should I use ?? (nullish coalescing) vs || (logical OR)?
The ?? operator was added to TypeScript 3.7 back in November 2019. And more recently, the ?? operator was included in ES2020, which is supported by Node 14 (released in April 2020). …
What's the right way to overload operator== for a class hierarchy?
In general I think the base class should define a operator== overload (internally or via friend class doesn't matter) which check typeid equality and calls an abstract virtual "equals" function …
math - What does the ^ (XOR) operator do? - Stack Overflow
Mar 6, 2021 · The XOR ( ^ ) is an logical operator that will return 1 when the bits are different and 0 elsewhere. A negative number is stored in binary as two's complement. In 2's complement, …
syntax - What is the := operator? - Stack Overflow
This is a new operator that is coming to Python 3.8 and actually had a role in BDFL Guido van Rossum's early retirement. Formally, the operator allows what's called an "assignment …
c - What is the difference between ++i and i++? - Stack Overflow
Aug 24, 2008 · In C, what is the difference between using ++i and i++, and which should be used in the incrementation block of a for loop?