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Undefined method 'task' using Rake 0.9.0

... 119 I had the same exception when running the 0.9.0.beta.4 version of Rake. It looks like the new ...
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What is the difference between ~> and >= when specifying rubygem in Gemfile?

... 166 That's a pessimistic version constraint. RubyGems will increment the last digit in the version...
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Numbering rows within groups in a data frame

... | edited Mar 14 '17 at 22:06 Frank 62.4k88 gold badges8181 silver badges157157 bronze badges ...
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How do I check to see if a value is an integer in MySQL?

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How to initialize an array's length in JavaScript?

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What is the smallest possible valid PDF?

... 198 This is an interesting problem. Taking it by the book, you can start off with this: %PDF-1.0...
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

... 156 This approach will use the actual boolean type (and resolve to true and false) if the compiler...
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What's the best way to send a signal to all members of a process group?

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What's the algorithm to calculate aspect ratio?

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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

...re used for Pattern Matching. To use in Excel follow these steps: Step 1: Add VBA reference to "Microsoft VBScript Regular Expressions 5.5" Select "Developer" tab (I don't have this tab what do I do?) Select "Visual Basic" icon from 'Code' ribbon section In "Microsoft Visual Basic for Applicat...