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Why are regular expressions so controversial? [closed]

...ithin a (?(DEFINE)...) block, so that you can separate out the declaration from the execution of individual named elements of your patterns. This makes them act rather like subroutines within the pattern. A good example of this sort of “grammatical regex” can be found in this answer and this on...
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For homebrew mysql installs, where's my.cnf?

...d look through it for the conf locations listed. Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf The following groups are read: mysql client The following options may be given as the first argument: --print-defaults ...
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Using Rails 3.1, where do you put your “page specific” JavaScript code?

...ay to do it. But also, you will need to remove the line //= require_tree . from the application.js.coffee – zsljulius Sep 3 '12 at 21:57 2 ...
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Why is the order in dictionaries and sets arbitrary?

...s, How CPython's hash set is stored in memory and How numbers get hashed From the top: A hash set is a method of storing random data with really fast lookup times. It has a backing array: # A C array; items may be NULL, # a pointer to an object, or a # special dummy object _ _ 4 _ _ 2 _ _ 6 W...
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Mixins vs. Traits

..., MB { bar():void { foo(); } } This will call foo():void from MA On the other hand while using Traits, composing class has to resolve conflicts. Class C mixins TA, TB { bar():void { foo(); } } This code will raise conflict (two definitions of foo():void). ad 3....
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How to parse JSON data with jQuery / JavaScript?

... success. thanks. DO i have to send json pr i can send anything from my php function? – Patrioticcow Jan 21 '12 at 9:14 7 ...
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Kotlin secondary constructor

... Instead of extending first constructor directly from the second one can delegate to another secondary constructor, that already does it: – Picrochole Jun 6 '17 at 6:20 ...
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What does the 'static' keyword do in a class?

...thod because the OP did. If instead it was a public method that was called from elsewhere, and the Hello class was instantiated more than once, then it could create a Clock instance for each Hello instance, unless clock was static. – Paul Tomblin Sep 3 '17 at 2...
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Relative paths based on file location instead of current working directory [duplicate]

... This will make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir. Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location ...
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How do I ZIP a file in C#, using no 3rd-party APIs?

...ip = ZipFile.Open("test.zip", ZipArchiveMode.Create)) { zip.CreateEntryFromFile(@"c:\something.txt", "data/path/something.txt"); } You need to add references to: System.IO.Compression System.IO.Compression.FileSystem For .NET Core targeting net46, you need to add dependencies for System...