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  2. Comparison of programming languages (syntax) - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_programming...

    Technically, Perl does not have a convention for including block comments in source code, but POD is routinely used as a workaround. PHP. PHP supports standard C/C++ style comments, but supports Perl style as well. Python. The use of the triple-quotes to comment-out lines of source, does not actually form a comment. [19]

  3. For loop - Wikipedia

    en.wikipedia.org/wiki/For_loop

    Specifically, a for-loop functions by running a section of code repeatedly until a certain condition has been satisfied. For-loops have two parts: a header and a body. The header defines the iteration and the body is the code executed once per iteration. The header often declares an explicit loop counter or loop variable. This allows the body ...

  4. Comparison of online source code playgrounds - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_online...

    Playground Access C C++ Objective-C Java Other code [a]: Free Yes Yes Yes Yes Bash, C, CoffeeScript, C++, Crystal, C#, D, Dart, Elixir, Erlang, F#, Go, Hack, Haskell ...

  5. Loop unrolling - Wikipedia

    en.wikipedia.org/wiki/Loop_unrolling

    On the other hand, this manual loop unrolling expands the source code size from 3 lines to 7, that have to be produced, checked, and debugged, and the compiler may have to allocate more registers to store variables in the expanded loop iteration [dubious – discuss]. In addition, the loop control variables and number of operations inside the ...

  6. Roslyn (compiler) - Wikipedia

    en.wikipedia.org/wiki/Roslyn_(compiler)

    .NET Compiler Platform, also known by its codename Roslyn, [2] is a set of open-source compilers and code analysis APIs for C# and Visual Basic (VB.NET) languages from Microsoft. [ 3 ] The project notably includes self-hosting versions of the C# and VB.NET compilerscompilers written in the languages themselves.

  7. Control flow - Wikipedia

    en.wikipedia.org/wiki/Control_flow

    a b c Deep breaks may be accomplished in APL, C, C++ and C# through the use of labels and gotos. a Iteration over objects was added in PHP 5. a b c A counting loop can be simulated by iterating over an incrementing list or generator, for instance, Python's range() .

  8. Loop interchange - Wikipedia

    en.wikipedia.org/wiki/Loop_interchange

    Loop interchange on this example can improve the cache performance of accessing b(j,i), but it will ruin the reuse of a(i) and c(i) in the inner loop, as it introduces two extra loads (for a(i) and for c(i)) and one extra store (for a(i)) during each iteration. As a result, the overall performance may be degraded after loop interchange.

  9. Forth (programming language) - Wikipedia

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

    Most simple words execute the same code whether they are typed on a command line, or embedded in code. When compiling these, the compiler simply places code or a threaded pointer to the word. [28] The classic examples of compile-time words are the control structures such as IF and WHILE. Almost all of Forth's control structures and almost all ...