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What's so great about Lisp? [closed]

...sed Lisp loves it, yet the most popular languages these days are descended from C. 7 Answers ...
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Create array of regex matches

...le("your regex here") .matcher("string to search from here") .results() .map(MatchResult::group) .toArray(String[]::new); // or .collect(Collectors.toList()) ...
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop

... There are at least 6 (!) ways to clone an array: loop slice Array.from() concat spread operator (FASTEST) map A.map(function(e){return e;}); There has been a huuuge BENCHMARKS thread, providing following information: for blink browsers slice() is the fastest method, concat() is a bit slow...
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getenv() vs. $_ENV in PHP

...variable: Via sapi_getenv (e.g. if it's getting the environment variable from Apache) If on Windows, from GetEnvironmentVariableA. If on non-Windows, from the getenv function provided by libc. As far as I can tell, the only time when it will behave in a case-insensitive manner is on Windows beca...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

...d for padding so in actuality every structure is at least 16 bytes in size from the get go. if you add 16 bytes from ints and a string ref to: 0000000003e72d18 + 8 bytes EE/padding you will end up at 0000000003e72d30 and this is the staring point for string reference, and since all references are ...
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How do you mock out the file system in C# for unit testing?

... probably going to have to build a contract to define what things you need from the file system and then write a wrapper around those functionalities. At that point you'd be able to mock or stub out the implementation. Example: interface IFileWrapper { bool Exists(String filePath); } class FileW...
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How to display line numbers in 'less' (GNU)

... From the manual: -N or --LINE-NUMBERS Causes a line number to be displayed at the beginning of each line in the display. You can also toggle line numbers without quitting less by typing -N. I...
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How to convert a string to lower or upper case in Ruby

... .titleize is from Rails. Cannot find it in ruby String documentation – ronald8192 Apr 12 '17 at 19:36 5 ...
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How to find out which package version is loaded in R?

...es is the current version installed at the location the package was loaded from: it can be wrong if another process has been changing packages during the session." So: if you want to know wether the package is loaded or not, better use "Rmpi" %in% loadedNamespaces() ; if you want to know which versi...
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Post parameter is always null

... Since you have only one parameter, you could try decorating it with the [FromBody] attribute, or change the method to accept a DTO with value as a property, as I suggested here: MVC4 RC WebApi parameter binding UPDATE: The official ASP.NET site was updated today with an excellent explanation: htt...