
When should I use ?? (nullish coalescing) vs || (logical OR)?
The nullish coalescing operator (??) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0, or false, it will not use …
Is there a "null coalescing" operator in JavaScript?
Jan 25, 2009 · Nullish coalescing operator (??) which is a logical operator that returns its right-hand side operand when its left-hand side operand is either null or undefined, and otherwise returns its left …
null coalescing operator - What do two question marks together mean …
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 ternary …
What is the operator precedence of C# null-coalescing (??) operator ...
Sep 23, 2015 · I was kind of expecting "Hello World", or just "World" if a is null. Obviously this is todo with operator precedence and can be overcome by brackets, is there anywhere that documents the …
?? Null Coalescing Operator --> What does coalescing mean?
22 Coalescing is when you have more than one item and then you end up with exactly one—either by joining the items together or by choosing a single item from the group. In the case of the ?? operator, …
.net - Coalesce operator in C#? - Stack Overflow
Oct 13, 2010 · 25 Well, it's not quite the same as the conditional operator, but I think you're thinking of the null coalescing operator (??). (I guess you did say it was "similar" :) Note that "ternary" just refers …
Is there a Python equivalent of the C# null-coalescing operator?
Feb 12, 2011 · The relevant PEP considering adding null-aware operators to the language is PEP 505 and the discussion relevant to the document is in the python-ideas thread.
is there a Java equivalent to null coalescing operator (??) in C#?
The c# null coalescing operator only works on nullable or reference types. If the above example was C#, x would be of type int? -- but better written using the null coalescing operator as y=x?? -1;
C# Null coalesce with LINQ - Stack Overflow
Jan 6, 2016 · In other words, project the sequence of matching options to a sequence of internal codes, and then take the first of those, defaulting to null... which allows you to use the null-coalescing …
PHP short-ternary ("Elvis") operator vs null coalescing operator
The above code example states that Null Coalescing operator treats a non-existing variable and a variable which is set to NULL in the same way. Null Coalescing operator is an improvement over the …