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  2. Switch statement - Wikipedia

    en.wikipedia.org/wiki/Switch_statement

    Switch statements come in two main variants: a structured switch, as in Pascal, which takes exactly one branch, and an unstructured switch, as in C, which functions as a type of goto. The main reasons for using a switch include improving clarity, by reducing otherwise repetitive coding, and (if the heuristics permit) also offering the potential ...

  3. Foreach loop - Wikipedia

    en.wikipedia.org/wiki/Foreach_loop

    However, two obvious problems occur: The macro is unhygienic: it declares a new variable in the existing scope which remains after the loop. One foreach macro cannot be defined that works with different collection types (e.g., array and linked list) or that is extensible to user types. C string as a collection of char

  4. kitty (terminal emulator) - Wikipedia

    en.wikipedia.org/wiki/Kitty_(terminal_emulator)

    kitty is a free and open-source GPU-accelerated [2] [3] terminal emulator for Linux, macOS, [4] and some BSD distributions. [5] focused on performance and features. kitty is written in a mix of C and Python programming languages.

  5. Help:Switch parser function - Wikipedia

    en.wikipedia.org/wiki/Help:Switch_parser_function

    The switch parser function, coded as "#switch", selects the first matching branch in a list of choices, acting as a case statement. Each branch can be a value , an expression ( calculation ), or a template call, [ 1 ] evaluated and compared to match the value of the switch.

  6. XOR swap algorithm - Wikipedia

    en.wikipedia.org/wiki/XOR_swap_algorithm

    In computer programming, the exclusive or swap (sometimes shortened to XOR swap) is an algorithm that uses the exclusive or bitwise operation to swap the values of two variables without using the temporary variable which is normally required. The algorithm is primarily a novelty and a way of demonstrating properties of the exclusive or operation.

  7. Command-line interface - Wikipedia

    en.wikipedia.org/wiki/Command-line_interface

    In Unix-like systems, the ASCII hyphen-minus begins options; the new (and GNU) convention is to use two hyphens then a word (e.g. --create) to identify the option's use while the old convention (and still available as an option for frequently-used options) is to use one hyphen then one letter (e.g., -c); if one hyphen is followed by two or more ...

  8. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})

  9. Context switch - Wikipedia

    en.wikipedia.org/wiki/Context_switch

    The time to switch between two separate processes is called the process switching latency. The time to switch between two threads of the same process is called the thread switching latency. The time from when a hardware interrupt is generated to when the interrupt is serviced is called the interrupt latency.