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  2. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    program. A "Hello, World!" program is generally a simple computer program that emits (or displays) to the screen (often the console) a message similar to "Hello, World!". A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax. A "Hello, World!"

  3. Programming languages used in most popular websites

    en.wikipedia.org/wiki/Programming_languages_used...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

  4. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere. [284]

  5. Byzantine music - Wikipedia

    en.wikipedia.org/wiki/Byzantine_music

    According to the chant manual "Hagiopolites" of 16 church tones (), the author of this treatise introduces a tonal system of 10 echoi.Nevertheless, both schools have in common a set of 4 octaves (protos, devteros, tritos, and tetartos), each of them had a kyrios echos (authentic mode) with the finalis on the degree V of the mode, and a plagios echos (plagal mode) with the final note on the ...

  6. BASIC - Wikipedia

    en.wikipedia.org/wiki/BASIC

    BASIC Programming at Wikibooks. BASIC (Beginners' All-purpose Symbolic Instruction Code) [ 1 ] is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963. They wanted to enable students in non-scientific fields to ...

  7. PHP syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/PHP_syntax_and_semantics

    PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by " $ ". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.

  8. Rasmus Lerdorf - Wikipedia

    en.wikipedia.org/wiki/Rasmus_Lerdorf

    Lerdorf talks about security with Joomla! developers at OSCMS 2007 Conference.. Rasmus Lerdorf (born 22 November 1968) is a Danish-Canadian [1] programmer.He co-authored and inspired the PHP scripting language, authoring the first two versions of the language and participating in the development of later versions led by a group of developers including Jim Winstead (who later created blo.gs ...

  9. PHP Standard Recommendation - Wikipedia

    en.wikipedia.org/wiki/PHP_Standard_Recommendation

    PHP Standard Recommendation. The PHP Standard Recommendation (PSR) is a PHP specification published by the PHP Framework Interop Group. Similar to Java Specification Request for Java, it serves the standardization of programming concepts in PHP. The aim is to enable interoperability of components and to provide a common technical basis for ...