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This checks expressions 2 and 3, even if expression 1 is true. Short circuit operators can reduce run times by avoiding unnecessary calculations. They can also avoid Null Exceptions when expression 1 checks whether an object is valid.
f = (if p 1 then e 1 else e 2) where the e i are expressions and p 1 is a statement (or equation) that may be true or false. ¶ This expression means See if p 1 is true; if so the value of f is given by e 1. IF p1 is false, the value of f is given by e 2. This conditional expression . . . has also the power of the minimization operator. . ..
Many languages have an operator to accomplish the same purpose, generally referred to as a conditional operator (or, less precisely, as a ternary operator); the best known is ?:, as used in C, C++, and related languages. Some of the problems with the IIf function, as discussed later, do not exist with a conditional operator, because the ...
See also: the {{}} template. The #if function selects one of two alternatives based on the truth value of a test string. {{#if: test string | value if true | value if false}} As explained above, a string is considered true if it contains at least one non-whitespace character.
Windows 10 version 1511: Threshold 2 November 10, 2015 1511 10586 October 10, 2017 Windows 10 version 1607: Redstone 1 August 2, 2016 1607 14393 April 10, 2018 Windows 10 version 1703: Redstone 2 April 5, 2017 1703 15063 October 9, 2018 Windows 10 version 1709: Redstone 3 October 17, 2017 1709 16299 April 9, 2019 Windows 10 version 1803: Redstone 4
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...
Windows 10, version 22H2 is the only Windows 10 update to be eligible for the paid Extended Security Updates (ESU) program, which offers continued security updates until October 13, 2026 for consumers, or at most October 10, 2028 for businesses and schools. [8]
Support for conditional comments was introduced in IE version 5 and dropped in version 10. In IE 10, conditional comments are not supported when the page is in standards mode (document mode 10). [2] An adjacent technology in JScript, called conditional compilation, was introduced in IE 4, and is supported in IE 10, in both standards and ...