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  1. 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 …

  2. 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 …

  3. 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, …

  4. 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). …

  5. What does the "->" operator mean in C++? - Stack Overflow

    Feb 12, 2012 · The -> operator is used with a pointer (or pointer-like object) on the LHS and a structure or class member on the RHS (lhs->rhs). It is generally equivalent to (*lhs).rhs, which …

  6. What is the difference between & and && in Java?

    Apr 9, 2011 · The bitwise AND " &" operator produces 1 if and only if both of the bits in its operands are 1. However, if both of the bits are 0 or both of the bits are different then this …

  7. 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 …

  8. 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 …

  9. What is <=> (the 'Spaceship' Operator) in PHP 7? - Stack Overflow

    May 21, 2015 · Its a new operator for combined comparison. Similar to strcmp() or version_compare() in behavior, but it can be used on all generic PHP values with the same …

  10. 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 …