
What does <> (angle brackets) mean in MS-SQL Server?
Nov 8, 2013 · <> 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 …
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 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 …
c - What is the difference between ++i and i++? - Stack Overflow
Aug 24, 2008 · In terms of efficiency, there could be a penalty involved with choosing i++ over ++i. In terms of the language spec, using the post-increment operator should create an extra copy …
What does the ** maths operator do in Python? - Stack Overflow
It is the power operator. From the Python 3 docs: The power operator has the same semantics as the built-in pow() function, when called with two arguments: it yields its left argument raised to …
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 …
What does the !! (double exclamation mark) operator do in …
I don't consider any of your alternatives easy to understand. Worse, there is at least one case where using equality operator x != 0 gives a different result than Boolean(x) or !!x: try [] for x. …
What does the `%` (percent) operator mean? - Stack Overflow
Note that the result of the % operator is equal to x – (x / y) * y and that if y is zero, a DivideByZeroException is thrown. If x and y are non-integer values x % y is computed as x – n …
What is a Question Mark "?" and Colon ":" Operator Used for?
Apr 26, 2012 · This is the ternary conditional operator, which can be used anywhere, not just the print statement. It's sometimes just called "the ternary operator", but it's not the only ternary …
How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · Just to clarify the name: ternary is the type of operator (i.e. it has 3 parts). The name of that specific ternary operator is the conditional operator. There just happens to only be one …