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Purge or recreate a Ruby on Rails database

I have a dev Ruby on Rails database full of data. I want to delete everything and rebuild the database. I'm thinking of using something like: ...
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String.IsNullOrWhiteSpace in LINQ Expression

I have the following code: 5 Answers 5 ...
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How to get the current directory in a C program?

I'm making a C program where I need to get the directory that the program is started from. This program is written for UNIX computers. I've been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. ...
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Delete files or folder recursively on Windows CMD

How do I delete files or folders recursively on Windows from the command line? 12 Answers ...
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Aligning textviews on the left and right edges in Android layout

I am getting started with Android. I am having trouble getting a simple layout going. 9 Answers ...
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

...t version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this? ...
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Why doesn't c++ have &&= or ||= for booleans?

Is there a "very bad thing" that can happen &&= and ||= were used as syntactic sugar for bool foo = foo && bar and bool foo = foo || bar ? ...
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Optimize Font Awesome for only used classes

I am using Font Awesome Sass file https://github.com/FortAwesome/Font-Awesome/blob/master/sass/font-awesome.sass to make it _font-awesome.sass so I can @import in my Sass project. I am also using http://middlemanapp.com/ to convert Sass to Css . Questions: ...
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UICollectionView current visible cell index

I am using UICollectionView first time in my iPad application. I have set UICollectionView such that its size and cell size is same, means only once cell is displayed at a time. ...
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Package doesn't exist error in intelliJ

I'm trying to use the barbecue barcode printing library. I have successfully added the library to IntelliJ through project structure add library. Then I imported the packages and wrote the methods, which gave me no error. The packages were available in the class. ...