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Is there documentation for the Rails column types?
I'm looking for more than the simple type listing that is found on this page :
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How to get rspec-2 to give the full trace associated with a test failure?
Right now if I run my test suite using rake spec I get an error:
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Declaring an enum within a class
In the following code snippet, the Color enum is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
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What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Concatenate two string literals
I am reading Accelerated C++ by Koenig. He writes that "the new idea is that we can use + to concatenate a string and a string literal - or, for that matter, two strings (but not two string literals).
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How can I ignore everything under a folder in Mercurial
I am looking for an expression for the .hgignore file, to ignore all files beneath a specified folder.
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How can I call a custom Django manage.py command directly from a test driver?
I want to write a unit test for a Django manage.py command that does a backend operation on a database table. How would I invoke the management command directly from code?
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How to send a correct authorization header for basic authentication
I am trying to POST data from my API but I can't pass the basic authentication.
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