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Regex Named Groups in Java

...> TEST matcher.name(1) ==> login Replace matcher.replaceAll("aaaaa_$1_sssss_$2____") ==> aaaaa_TEST_sssss_123____ matcher.replaceAll("aaaaa_${login}_sssss_${id}____") ==> aaaaa_TEST_sssss_123____ (extract from the implementation) public final class Pattern implements java.io...
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What does 'require: false' in Gemfile mean?

... This means install the gem, but do not call require when you start Bundler. So you will need to manually call require "whenever" if you want to use the library. If you were to do gem "whenever", require: "whereever" then bundler woul...
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Mercurial .hgignore for Visual Studio 2010 projects

...ut an entry that's already there.. Feel free to edit the list and yes I totally agree, it should be added – Shady M. Najib Apr 14 '11 at 12:07 2 ...
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lenses, fclabels, data-accessor - which library for structure access and mutation is better

...f these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types. With that in mind, we can turn to the different implementations: Implementations fclabels fclabels is pe...
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Guaranteed lifetime of temporary in C++?

...or the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class: ...
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In Python, how do I index a list with another list?

...ng, either by integer, slice or index-list: class Flexlist(list): def __getitem__(self, keys): if isinstance(keys, (int, slice)): return list.__getitem__(self, keys) return [self[k] for k in keys] Which, for your example, you would use as: L = Flexlist(['a', 'b', 'c', 'd', 'e...
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How to update Python?

I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version. ...
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How can I correctly prefix a word with “a” and “an”?

...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...
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Which characters are valid in CSS class names/selectors?

What characters/symbols are allowed within the CSS class selectors? I know that the following characters are invalid , but what characters are valid ? ...
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Android: how to make keyboard enter button say “Search” and handle its click?

...w v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_SEARCH) { performSearch(); return true; } return false; } }); share | ...