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How to get a random number in Ruby

...6). A roll in craps could be simulated with 2 + rand(6) + rand(6). Finally, if you just need a random float, just call rand with no arguments. As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug,...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

... basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-) 13 Answers ...
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How to find unused images in an Xcode project?

Has anyone a one-line to find unused images in an Xcode project? (Assuming all the files are referenced by name in code or the project files - no code generated file names.) ...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...rogramming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). 33 Answer...
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How to send a simple string between two programs using pipes?

I tried searching on the net, but there are hardly any resources. A small example would suffice. 7 Answers ...
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Current time in microseconds in java

...ble on many platforms, 2) returning millisecond accuracy in a microsecond call leads to application portability issues. – Stephen C Nov 11 '09 at 4:17 9 ...
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Correct way to use _viewstart.cshtml and partial Razor views?

I'm using _viewstart.cshtml to automagically assign the same Razor Layout to my views. 1 Answer ...
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Set markers for individual points on a line in Matplotlib

... to plot lines on a figure. Now I would now like to set the style, specifically the marker, for individual points on the line. How do I do this? ...
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C++ Convert string (or char*) to wstring (or wchar_t*)

...f8_source_string); Longer online compilable and runnable example: (They all show the same example. There are just many for redundancy...) http://ideone.com/KA1oty http://ide.geeksforgeeks.org/5pRLSh http://rextester.com/DIJZK52174 Note (old): As pointed out in the comments and explained in h...
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How to install the JDK on Ubuntu Linux

I am trying to install the Java Development Kit (JDK) on Ubuntu Linux distribution, but I am unable to install it. 33 A...