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Multi-key dictionary in c#? [duplicate]

...ity, .GetHashcode and .Equals for free, which (while you're waiting for C# 4.0) is nice 'n simple... One warning however: the default GetHashcode implementation (sometimes) only considers the first field so make sure to make the first field the most discriminating or implement GetHashcode yourself ...
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Installing older version of R package

...ols to install binary packages on Windows, but only works going back to 2014-09-17 (when MRAN was launched). To install an older version from the command line (outside of R): You can also install a package by using R CMD INSTALL on the command line (Terminal, Command Prompt, etc.) once you have th...
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sqlite3-ruby install error on Ubuntu

...m. Thanks. – frank.m May 15 '12 at 14:19 Thanks—this definitely would not have been obvious. –...
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Rails 3.1 and Image Assets

...rakash Murthy 12.1k33 gold badges3636 silver badges6464 bronze badges answered Jun 6 '11 at 21:17 Lee McAlillyLee McAlilly 8,04610...
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Is Dvorak typing appropriate for programming? [closed]

... answered Aug 3 '09 at 12:49 ChristopherChristopher 8,03011 gold badge2929 silver badges4141 bronze badges ...
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Change the color of glyphicons to blue in some- but not at all places using Bootstrap 2

...| edited Jan 20 '15 at 20:45 DLeh 21.2k1111 gold badges6767 silver badges107107 bronze badges answered A...
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Reading a huge .csv file

...ory usage. – user5359531 Jul 30 at 14:34 @user5359531 that would indicate you keep references to the dictionary object...
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addEventListener vs onclick

... edited Sep 17 '19 at 10:24 Flimzy 55.3k1313 gold badges8585 silver badges127127 bronze badges answered ...
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How can I present a file for download from an MVC controller?

... Bakudan 17k99 gold badges4646 silver badges6969 bronze badges answered Apr 8 '09 at 16:24 tvanfossontvanfosson ...
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How many String objects will be created when using a plus sign?

... String one = "1"; String two = "2"; String result = one + two + "34"; Console.Out.WriteLine(result); } then the compiler seems to emit the code using String.Concat as @Joachim answered (+1 to him btw). If you define them as constants, e.g.: const String one = "1"; const String two =...