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  2. Named pipe - Wikipedia

    en.wikipedia.org/wiki/Named_pipe

    Without this named pipe one would need to write out the entire uncompressed version of file.gz before loading it into MySQL. Writing the temporary file is both time-consuming and results in more I/O and less free space on the hard drive. PostgreSQL's command line utility, psql, also supports loading data from named pipes. [4]

  3. Iterator - Wikipedia

    en.wikipedia.org/wiki/Iterator

    Sometimes the implicit hidden nature is only partial. The C++ language has a few function templates for implicit iteration, such as for_each(). These functions still require explicit iterator objects as their initial input, but the subsequent iteration does not expose an iterator object to the user.

  4. User-defined function - Wikipedia

    en.wikipedia.org/wiki/User-defined_function

    The SQL standard distinguishes between scalar and table functions. A scalar function returns only a single value (or NULL), whereas a table function returns a (relational) table comprising zero or more rows, each row with one or more columns. User-defined functions in SQL are declared using the CREATE FUNCTION statement. For example, a user ...

  5. Nim (programming language) - Wikipedia

    en.wikipedia.org/wiki/Nim_(programming_language)

    This command will reveal the version number, compiling date and time, and Git hash of nimble. Nimble uses the Git package, which must be available for Nimble to function properly. The Nimble command-line is used as an interface for installing, removing (uninstalling), and upgrading–patching module packages. [21]: 130–131

  6. ncurses - Wikipedia

    en.wikipedia.org/wiki/Ncurses

    ncurses (new curses) is a programming library for creating textual user interfaces (TUIs) that work across a wide variety of terminals; it is written in a way that attempts to optimize the commands that are sent to the terminal, so as reduce the latency experienced when updating the displayed content.

  7. Read–eval–print loop - Wikipedia

    en.wikipedia.org/wiki/Read–eval–print_loop

    The name read–eval–print loop comes from the names of the Lisp primitive functions which implement this functionality: The read function accepts an expression from the user, and parses it into a data structure in memory. For instance, the user may enter the s-expression (+ 1 2 3), which is parsed into a linked list containing four data ...

  8. List of Unified Modeling Language tools - Wikipedia

    en.wikipedia.org/wiki/List_of_Unified_Modeling...

    Java, Python, PHP, C++, SQL, Alloy, NuSMV, yUML, USE Java Command-line tools, Embeddable in web pages, Eclipse: Input or export can be by diagram or Umple textual form, separation of concerns (aspects, traits, mixins), embeds action code in Java and other languages, written in itself, documentation generation, plugin architecture for generators

  9. Dependency injection - Wikipedia

    en.wikipedia.org/wiki/Dependency_injection

    In software engineering, dependency injection is a programming technique in which an object or function receives other objects or functions that it requires, as opposed to creating them internally. Dependency injection aims to separate the concerns of constructing objects and using them, leading to loosely coupled programs.