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  2. PHP syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/PHP_syntax_and_semantics

    The purpose of the delimiting tags is to separate PHP code from non-PHP data (mainly HTML). Although rare in practice, PHP will execute code embedded in any file passed to its interpreter, including binary files such as PDF or JPEG files, or in server log files.

  3. Wikipedia : Manual of Style/Linking

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    (There is a related set of templates for some free content resources that are not run by the Wikimedia Foundation. Rather than creating a sidebar link, they create text suitable for using as a bulleted entry in an "External links" section. A list of such templates can be found at Wikipedia:List of templates linking to other free content projects.)

  4. Persistent data structure - Wikipedia

    en.wikipedia.org/wiki/Persistent_data_structure

    One method for creating a persistent data structure is to use a platform provided ephemeral data structure such as an array to store the data in the data structure and copy the entirety of that data structure using copy-on-write semantics for any updates to the data structure. This is an inefficient technique because the entire backing data ...

  5. Help:What links here - Wikipedia

    en.wikipedia.org/wiki/Help:What_links_here

    For image and other file pages, the pages using the image or file appear on the list and are marked "image link". The parser function #ifexist: causes a listing in "What links here" among the normal links, even though no link is produced. The list of links to an article is useful in a number of ways:

  6. Object copying - Wikipedia

    en.wikipedia.org/wiki/Object_copying

    This method usually, in turn, calls the clone() method of its parent class to obtain a copy, and then does any custom copying procedures. Eventually this gets to the clone() method of Object (the uppermost class), which creates a new instance of the same class as the object and copies all the fields to the new instance (a "shallow copy").

  7. Copy-on-write - Wikipedia

    en.wikipedia.org/wiki/Copy-on-write

    Copy-on-write (COW), also called implicit sharing [1] or shadowing, [2] is a resource-management technique [3] used in programming to manage shared data efficiently. Instead of copying data right away when multiple programs use it, the same data is shared between programs until one tries to modify it.

  8. Web server directory index - Wikipedia

    en.wikipedia.org/wiki/Web_server_directory_index

    Proceeding from fastest to slowest method, here is the list: using a static index file, e.g.: index.html, etc.; using a web server feature usually named autoindex (when no index file exists) to let web server autogenerate directory listing by using its internal module; using an interpreted file read by web server internal program interpreter, e ...

  9. List of data structures - Wikipedia

    en.wikipedia.org/wiki/List_of_data_structures

    This is a list of well-known data structures. For a wider list of terms, see list of terms relating to algorithms and data structures. For a comparison of running times for a subset of this list see comparison of data structures.