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What does “abstract over” mean?
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In algebra, as in everyday concept formation, abstractions are formed by grouping things by som...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. This no longer seems to be the case in 2013.
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What are the minimum margins most printers can handle?
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Every printer is different but 0.25" (6.35 mm) is a safe bet.
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Order by multiple columns with Doctrine
...values for column number 1, order by it; otherwise, order by column number 2)
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Can I get the name of the current controller in the view?
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controller_name holds the name of the controller used to serve the current view.
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Resize image to full width and fixed height with Picasso
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Django using get_user_model vs settings.AUTH_USER_MODEL
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answered Jul 8 '14 at 11:25
knbkknbk
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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Having a private branch of a public repo on GitHub?
...he command line. Thanks!
– Joel
Jan 26 '13 at 19:48
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When to use window.opener / window.parent / window.top
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answered Jul 3 '12 at 14:34
PointyPointy
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