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  2. Barton–Nackman trick - Wikipedia

    en.wikipedia.org/wiki/Barton–Nackman_trick

    When a class template like equal_comparable is instantiated, the in-class friend definitions produce nontemplate (and nonmember) functions (operator functions, in this case). At the time the idiom was introduced (1994), the C++ language did not define a partial ordering for overloaded function templates and, as a result, overloading function ...

  3. C signal handling - Wikipedia

    en.wikipedia.org/wiki/C_signal_handling

    In the C Standard Library, signal processing defines how a program handles various signals while it executes. A signal can report some exceptional behavior within the program (such as division by zero), or a signal can report some asynchronous event outside the program (such as someone striking an interactive attention key on a keyboard).

  4. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Microsoft compressed file in Quantum format, used prior to Windows XP. File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows. After compression, the last character of the original filename extension is replaced with an underscore, e.g. ‘Setup.exe’ becomes ‘Setup.ex_’. 46 4C 49 46: FLIF: 0 flif

  5. Digraphs and trigraphs (programming) - Wikipedia

    en.wikipedia.org/wiki/Digraphs_and_trigraphs...

    This passed a committee vote, and trigraphs (but not the additional tokens) are removed from C++17 despite the opposition from IBM. [16] Existing code that uses trigraphs can be supported by translating from the source files (parsing trigraphs) to the basic source character set that does not include trigraphs. [15]

  6. Web template system - Wikipedia

    en.wikipedia.org/wiki/Web_template_system

    A web template system is composed of the following: . A template engine: the primary processing element of the system; [1]; Content resource: any of various kinds of input data streams, such as from a relational database, XML files, LDAP directory, and other kinds of local or networked data;

  7. Signals intelligence by alliances, nations and industries

    en.wikipedia.org/wiki/Signals_intelligence_by...

    SIGINT Systems appears to be a British firm that makes the "HARVESTER family of SIGINT database applications (that) provide unique and cost-effective solutions to a wide range of collection requirements" [35] and has a website that can serve as a basic tutorial on the technical aspects of what SIGINT systems collect.

  8. Template (file format) - Wikipedia

    en.wikipedia.org/wiki/Template_(file_format)

    Microsoft Word allows creating both layout and content templates. A layout template is a style guide for the file styles. It usually contains a chapter which explains how to use the styles within the documents. A content template is a document which provides a table of contents. It might be modified to correspond to the user's needs.

  9. Signal (IPC) - Wikipedia

    en.wikipedia.org/wiki/Signal_(IPC)

    SIGINT The SIGINT signal is sent to a process by its controlling terminal when a user wishes to interrupt the process. This is typically initiated by pressing Ctrl+C, but on some systems, the "delete" character or "break" key can be used. [13] SIGKILL The SIGKILL signal is sent to a process to cause it to terminate immediately (kill). In ...