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Where is the .NET Framework 4.5 directory?

I've installed Windows 8, Visual Studio 2012 but don't have a v4.5 directory in %WINDIR%\Microsoft.NET\Framework . 6 Answe...
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Can someone explain the traverse function in Haskell?

... traverse is the same as fmap, except that it also allows you to run effects while you're rebuilding the data structure. Take a look at the example from the Data.Traversable documentation. data Tree a = Empty | Leaf a | Node (Tree a) a (Tree a) The Functor instance of Tr...
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Is there a method for String conversion to Title Case?

... Just a small update, WordUtils is gone to Commons Text and is deprecated inside Commons Lang – msrd0 Oct 16 '17 at 21:45 ...
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Standard way to embed version into python package?

...is also used in lots of 3rd-party modules, so it's the quasi-standard. Usually, __version__ is a string, but sometimes it's also a float or tuple. Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly: Module Level Dunder Names Module level "dunders" (i.e. names with two lea...
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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?

...d = "new value";. So jQuery creates a local "undefined" variable that is REALLY undefined. The window variable is made local for performance reasons. Because when JavaScript looks up a variable, it first goes through the local variables until it finds the variable name. When it's not found, JavaScr...
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Shell one liner to prepend to a file

...t it sorta worked but weird things could happen, or it just didn't work at all, so it was furiously downvoted for a time. Such fun. The solution exploits the exact implementation of file descriptors on your system and, because implementation varies significantly between nixes, it's success is enti...
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Rails and PostgreSQL: Role postgres does not exist

I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps. ...
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NPM doesn't install module dependencies

...ere are several open issues for this case in the npm repository: npm install should recursively check/install dependencies https://github.com/npm/npm/issues/1341 (closed) local private module dependencies https://github.com/npm/npm/issues/2442 (closed) In the first one people list several workar...
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The apk must be signed with the same certificates as the previous version

I had uploaded my app to Google Play (back when it was called Android Market) some time ago. 11 Answers ...
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Set a cookie to never expire

... All cookies expire as per the cookie specification, so this is not a PHP limitation. Use a far future date. For example, set a cookie that expires in ten years: setcookie( "CookieName", "CookieValue", time() + (10 * 3...