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How to define two fields “unique” as couple
Is there a way to define a couple of fields as unique in Django?
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
I am confused with the grid system in the new Bootstrap, particularly these classes:
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When to use which design pattern? [closed]
I like design patterns very much, but I find it difficult to see when I can apply one. I have read a lot of websites where design patterns are explained. I do understand the most of them, but I find it difficult to recognize a pattern in my own situations.
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Change Name of Import in Java, or import two classes with the same name
In Python you can do a:
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Ruby / Rails - Change the timezone of a Time, without changing the value
I have a record foo in the database which has :start_time and :timezone attributes.
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ManyRelatedManager object is not iterable
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PHP: How to remove specific element from an array?
How do I remove an element from an array when I know the elements name? for example:
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How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
A valid provisioning profile for this executable was not found for debug mode
I am getting this error while I am trying to debug my app on device.
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“Prevent saving changes that require the table to be re-created” negative effects
Preamble
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