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How can I convert a dictionary into a list of tuples?
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11 Answers
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Most efficient way to reverse a numpy array
... something like this:
arr = np.array(some_sequence)
reversed_arr = arr[::-1]
do_something(arr)
look_at(reversed_arr)
do_something_else(arr)
look_at(reversed_arr)
I'm not a numpy expert, but this seems like it would be the fastest way to do things in numpy. If this is what you are already doing,...
Test if remote TCP port is open from a shell script
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16 Answers
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Search and Replace with RegEx components in Atom editor
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216
If you Cmd-F and open the search pane, there is a ".*" button at the right side. Click it and n...
Android Studio: Plugin with id 'android-library' not found
... }
dependencies {
classpath 'com.android.tools.build:gradle:1.1.1'
}
}
Replace version string 1.0.+ with the latest version. Released versions of Gradle plugin can be found in official Maven Repository or on MVNRepository artifact search.
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Fastest way to get the first object from a queryset in django?
...return None if the queryset returns no objects.
These were added in Django 1.6, which was released in Nov 2013.
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How do I clone a subdirectory only of a Git repository?
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How to catch integer(0)?
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164
That is R's way of printing a zero length vector (an integer one), so you could test for a bei...
How do I concatenate or merge arrays in Swift?
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12 Answers
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How to migrate back from initial migration in Django 1.7?
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You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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