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Assigning default value while creating migration file

Ok I use above line to create migration file that automatically generates code in the generated file to add a column to a model Tweet with datatype integer. Now I want to add default value to the added column while generating the migration file. Is that possible? I googled it but couldn't find. Guys...
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Prevent ViewPager from destroying off-screen views

I have a ViewPager hooked up to a FragmentPagerAdapter that's displaying three fragments. The ViewPager appears to destroy a hosted fragment's view when it is more than one swipe away from the current position. ...
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Unittest setUp/tearDown for several tests

Is there a function that is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test. ...
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Postgresql: Conditionally unique constraint

I'd like to add a constraint which enforces uniqueness on a column only in a portion of a table. 2 Answers ...
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon

What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phone. 5 Answers ...
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How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?

How do I convert struct System.Byte byte[] to a System.IO.Stream object in C# ? 4 Answers ...
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how to get program files x86 env variable?

I would like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit. 4...
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Difference between GeoJSON and TopoJSON

What is the difference between GeoJSON and TopoJSON and when would I use one over the other? 3 Answers ...
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Fastest hash for non-cryptographic uses?

I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal). ...
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Git: copy all files in a directory from another branch

How do I copy all files in a directory from another branch? I can list all of the files in that directory by doing 2 Answe...