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counting number of directories in a specific directory
How to count the number of folders in a specific directory. I am using the following command, but it always provides an extra one.
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Django: reverse accessors for foreign keys clashing
... you can do with some special string substitution:
create_user = models.ForeignKey(User, related_name='%(class)s_requests_created')
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AngularJS check if form is valid in controller
I need to check if a form is valid in a controller.
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What is included in JCenter repository in Gradle?
From Gradle 1.7 there is new Public repository JCenter.
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Representing graphs (data structure) in Python
...t data structure (e.g. dicts/tuples/dict(tuples)) will be fast but also memory efficient? One must be able to do various graph operations on it.
As pointed out, the various graph representations might help. How does one go about implementing them in Python? As for the libraries, this ques...
How to make a Java Generic method static?
...tatic method. Adding static to the method signature results in compile errors.
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What is the best way to clear a session variable in rails?
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This is the correct way to do it. session[:message] = nil will leave the :message key in the session hash, this will destroy the key and value, as if your session never had any value assigned to that key.
– Brett Ben...
django MultiValueDictKeyError error, how do I deal with it
... to save a object to my database, but it's throwing a MultiValueDictKeyError error.
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Can I use the range operator with if statement in Swift?
Is it possible to use the range operator ... and ..< with if statement. Maye something like this:
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How can I view a git log of just one user's commits?
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This works for both git log and gitk - the 2 most common ways of viewing history.
You don't need to use the whole name:
git log --author="Jon"
will match a commit made by "Jonathan Smith"
git log --author=Jon
and
git log --author...