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What is a Question Mark ? and Colon : Operator Used for? Ternary operator refers to any operator with three parameters, thus this is a ternary operator but not the ternary operator Major languages (C#, Java, PHP) consider it a conditional operator, and call it the ?: operator Occasionally (JavaScript) it is called the conditional operator
c++ - Why override operator ()? - Stack Overflow This fails to answer the question of "why override operator() ", and provides an example lifted straight from the accepted answer just with the names and numbers slightly changed
c - What does tilde (~) operator do? - Stack Overflow The bitwise NOT operator has an interesting property that when applied on numbers represented by two's complement, it changes the number's sign and then subtracts one (as you can see in the above example) You may want become familiar with the different operators of the C++ language since it is difficult to search for operators on search engines
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) When the nullish coalescing operator ?? is supported, I typically use it instead of the OR operator || (unless there's a good reason not to)
Which equals operator (== vs ===) should be used in JavaScript . . . The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal Reference: JavaScript Tutorial: Comparison Operators The == operator will compare for equality after doing any necessary type conversions The === operator will not do the conversion, so if two values are not the
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 expression"
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 arithmetic shifts All of these operators can be applied to integer values (int, long, possibly short and byte or char)