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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.

  3. HRESULT - Wikipedia

    en.wikipedia.org/wiki/HRESULT

    Testing for 0 such as (hr) or (!hr) will work most of the time but is incorrect for the rarely used success codes other than S_OK such as S_FALSE. To obtain the code part of an HRESULT, use the HRESULT_CODE() macro. Use the ERR.EXE tool to translate a value to the corresponding message text.

  4. Timeout (computing) - Wikipedia

    en.wikipedia.org/wiki/Timeout_(computing)

    Network timeout preventing a Web browser from loading a page. In telecommunications and related engineering (including computer networking and programming), the term timeout or time-out has several meanings, including: A network parameter related to an enforced event designed to occur at the conclusion of a predetermined elapsed time.

  5. ReDoS - Wikipedia

    en.wikipedia.org/wiki/ReDoS

    In the case of a web application, the programmer may use the same regular expression to validate input on both the client and the server side of the system. An attacker could inspect the client code, looking for evil regular expressions, and send crafted input directly to the web server in order to hang it. [9]

  6. Wikipedia:Village pump (technical)/Archive 142 - Wikipedia

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

    If in the "Other time" box, they enter "16:00, November 23, 2015" and Confirm it, then they revisit the "change protection" for that page, it says "Existing expiry time: 11:00, November 23, 2015" so they actually extended it by 19 hours, not 24. To get a 24-hour extension on the original expiry, they actually need to set "Other time" to "21:00 ...

  7. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    A JavaScript engine is a software component that executes JavaScript code. The first JavaScript engines were mere interpreters, but all relevant modern engines use just-in-time compilation for improved performance. [57] JavaScript engines are typically developed by web browser vendors, and every major browser has one.

  8. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    It will detect most of the possible twin errors (it will not detect 22 ↔ 55, 33 ↔ 66 or 44 ↔ 77). Other, more complex check-digit algorithms (such as the Verhoeff algorithm and the Damm algorithm) can detect more transcription errors. The Luhn mod N algorithm is an extension that supports non-numerical strings

  9. ECMAScript version history - Wikipedia

    en.wikipedia.org/wiki/ECMAScript_version_history

    First edition based on JavaScript 1.1 as implemented in Netscape Navigator 3.0. [1] Guy L. Steele Jr. 2 June 1998 Editorial changes to keep the specification fully aligned with ISO/IEC 16262:1998. Mike Cowlishaw: 3 December 1999 Based on JavaScript 1.2 as implemented in Netscape Navigator 4.0. [2]