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  2. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    450 Blocked by Windows Parental Controls (Microsoft) The Microsoft extension code indicated when Windows Parental Controls are turned on and are blocking access to the requested webpage. [36] 498 Invalid Token (Esri) Returned by ArcGIS for Server. Code 498 indicates an expired or otherwise invalid token. [37] 499 Token Required (Esri)

  3. Single point of failure - Wikipedia

    en.wikipedia.org/wiki/Single_point_of_failure

    If the chipper breaks, they may be unable to complete their current job and may have to cancel future jobs until they can obtain a replacement. The owner could prepare for this in multiple ways. The owner of the tree care company may have spare parts ready for the repair of the wood chipper, in case it fails. At a higher level, they may have a ...

  4. Cyclic redundancy check - Wikipedia

    en.wikipedia.org/wiki/Cyclic_redundancy_check

    A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. [ 1 ] [ 2 ] Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents.

  5. 2024 CrowdStrike-related IT outages - Wikipedia

    en.wikipedia.org/wiki/2024_CrowdStrike-related...

    On 19 July at 04:09 UTC, CrowdStrike distributed a faulty configuration update for its Falcon sensor software running on Windows PCs and servers. A modification to a configuration file which was responsible for screening named pipes, Channel File 291, caused an out-of-bounds memory read [14] in the Windows sensor client that resulted in an invalid page fault.

  6. Redundant code - Wikipedia

    en.wikipedia.org/wiki/Redundant_code

    code which is executed but has no external effect (e.g., does not change the output produced by a program; known as dead code). A NOP instruction might be considered to be redundant code that has been explicitly inserted to pad out the instruction stream or introduce a time delay, for example to create a timing loop by "wasting time".

  7. About error message 'We can't sign you in right now. Please ...

    help.aol.com/articles/error-message-we-cant-sign...

    Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

  8. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Turbo coding is an iterated soft-decoding scheme that combines two or more relatively simple convolutional codes and an interleaver to produce a block code that can perform to within a fraction of a decibel of the Shannon limit.

  9. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    As mentioned earlier, the insider builds of Windows 10 and later, as well as Windows Server 2016 and later, display a green screen. [26] [27] [24] Windows 10 and later (and Windows Server 2016 and later) also display an orange screen in an extremely rare case where a hardware issue with the GPU or a graphics driver problem is encountered. [47]