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What does the regular expression /_/g mean?

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How do I get the current absolute URL in Ruby on Rails?

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public friend swap member function

...d if it will be considered during a function call. For the details, read §3.4.2. In this case, std::swap normally isn't considered; but we can associate it (add it to the set of overloads considered by unqualified swap), allowing it to be found. ...
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The quest for the Excel custom function tooltip

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How to configure an existing git repo to be shared by a UNIX group

... Trevor Boyd Smith 14.6k2323 gold badges9999 silver badges150150 bronze badges answered Jul 13 '10 at 23:34 David UnderhillDav...
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

... 371 psql's inline help: \h ALTER TABLE Also documented in the postgres docs (an excellent resou...
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How can I make a JUnit Test wait?

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What's a good (free) visual merge tool for Git? (on windows) [closed]

... 73 On Windows, a good 3-way diff/merge tool remains kdiff3 (WinMerge, for now, is still 2-way based...
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When should I use Lazy?

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How to hash a password

...e use the recommendations from the https://stackoverflow.com/a/10402129/251311 instead. You can either use var md5 = new MD5CryptoServiceProvider(); var md5data = md5.ComputeHash(data); or var sha1 = new SHA1CryptoServiceProvider(); var sha1data = sha1.ComputeHash(data); To get data as byte a...