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  2. Ternary conditional operator - Wikipedia

    en.wikipedia.org/wiki/Ternary_conditional_operator

    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 ...

  3. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    [NOT] IN: Equal to one of multiple possible values DeptCode IN (101, 103, 209) IS [NOT] NULL: Compare to null (missing data) Address IS NOT NULL: IS [NOT] TRUE or IS [NOT] FALSE: Boolean truth value test PaidVacation IS TRUE: IS NOT DISTINCT FROM: Is equal to value or both are nulls (missing data) Debt IS NOT DISTINCT FROM-Receivables: AS: Used ...

  4. Conditional (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Conditional_(computer...

    If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.

  5. Relational operator - Wikipedia

    en.wikipedia.org/wiki/Relational_operator

    In JavaScript, PHP, VBScript and a few other dynamically typed languages, the standard equality operator follows so-called loose typing, that is it evaluates to true even if two values are not equal and are of incompatible types, but can be coerced to each other by some set of language-specific rules, making the number 4 compare equal to the ...

  6. C shell - Wikipedia

    en.wikipedia.org/wiki/C_shell

    The C shell can also read commands from a file, called a script. Like all Unix shells, it supports filename wildcarding, piping, here documents, command substitution, variables and control structures for condition-testing and iteration. What differentiated the C shell from others, especially in the 1980s, were its interactive features and ...

  7. Outline of MySQL - Wikipedia

    en.wikipedia.org/wiki/Outline_of_MySQL

    Berkeley DB – software library that provides a high-performance embedded database for key/value data. Berkeley DB is written in C with API bindings for C++, C#, PHP, Java, Perl, Python, Ruby, Tcl, Smalltalk, and many other programming languages. Prior to v5.1, MySQL included a BDB data storage backend. BlitzDB – CassandraSE –

  8. AOL Mail

    mail.aol.com

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  9. Help:Conditional expressions - Wikipedia

    en.wikipedia.org/wiki/Help:Conditional_expressions

    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.