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  2. Collision detection - Wikipedia

    en.wikipedia.org/wiki/Collision_detection

    A robust simulator is one that will react to any input in a reasonable way. For instance, if we imagine a high speed racecar video game, from one simulation step to the next, it is conceivable that the cars would advance a substantial distance along the race track. If there is a shallow obstacle on the track (such as a brick wall), it is not ...

  3. Code injection - Wikipedia

    en.wikipedia.org/wiki/Code_injection

    HTML and script injection are popular subjects, commonly termed "cross-site scripting" or "XSS". XSS refers to an injection flaw whereby user input to a web script or something along such lines is placed into the output HTML without being checked for HTML code or scripting.

  4. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.

  5. Control flow - Wikipedia

    en.wikipedia.org/wiki/Control_flow

    Sometimes within the body of a loop there is a desire to skip the remainder of the loop body and continue with the next iteration of the loop. Some languages provide a statement such as continue (most languages), skip , [ 8 ] cycle (Fortran), or next (Perl and Ruby), which will do this.

  6. Help:Wikitext - Wikipedia

    en.wikipedia.org/wiki/Help:Wikitext

    HTML equivalent: <hr /> (which can be indented, whereas ---- always starts at the left margin.) Table of contents Further information: WP:TOC When a page has at least four headings, a table of contents (TOC) will automatically appear after the lead and before the first heading. The TOC can be controlled by magic words or templates: __FORCETOC__ forces the TOC to appear at the normal location ...

  7. Checkbox - Wikipedia

    en.wikipedia.org/wiki/Checkbox

    A checkbox (check box, tickbox, tick box) is a graphical widget that allows the user to make a binary choice, i.e. a choice between one of two possible mutually exclusive options. For example, the user may have to answer 'yes' (checked) or 'no' (not checked) on a simple yes/no question .

  8. Robin Williams - Wikipedia

    en.wikipedia.org/wiki/Robin_Williams

    Robin McLaurin Williams (July 21, 1951 – August 11, 2014) was an American actor and comedian. Known for his improvisational skills [1] [2] and the wide variety of characters he created on the spur of the moment and portrayed on film, in dramas and comedies alike, [3] [4] Williams is regarded as one of the greatest comedians of all time.

  9. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    PHP has a direct module interface called SAPI for different web servers; [273] in case of PHP 5 and Apache 2.0 on Windows, it is provided in form of a DLL file called php5apache2.dll, [274] which is a module that, among other functions, provides an interface between PHP and the web server, implemented in a form that the server understands. This ...