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How can I find script's directory with Python? [duplicate]
...he current directory first. Notice that the script directory is inserted before the entries inserted as a result of PYTHONPATH.
Source: https://docs.python.org/library/sys.html#sys.path
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Get class name of django model
...e__.
Django models are derived from the ModelBase, which is the Metaclass for all models.
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Multi-line string with extra space (preserved indentation)
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Heredoc sounds more convenient for this purpose. It is used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates wher...
How to decorate a class?
...ator to add a member to a class and change the constructor to take a value for that member.
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How to read a file in reverse order?
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for line in reversed(open("filename").readlines()):
print line.rstrip()
And in Python 3:
for line in reversed(list(open("filename"))):
print(line.rstrip())
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How do I detect unsigned integer multiply overflow?
...'t know about C++), unsigned arithmetic does not overflow ... so, at least for C, your point is moot :)
With signed integers, once there has been overflow, undefined behaviour (UB) has occurred and your program can do anything (for example: render tests inconclusive).
#include <limits.h>
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No generic implementation of OrderedDictionary?
...lent of OrderedDictionary in the framework itself.
(That's still the case for .NET 4 too, as far as I'm aware.)
But you can vote for it at Visual Studio's UserVoice (2016-10-04)!
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How to get the caller's method name in the called method?
...tended to help debugging and development; it's not advisable to rely on it for production-functionality purposes.
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How to extract the decision rules from scikit-learn decision-tree?
... feature_names[i] if i != _tree.TREE_UNDEFINED else "undefined!"
for i in tree_.feature
]
print "def tree({}):".format(", ".join(feature_names))
def recurse(node, depth):
indent = " " * depth
if tree_.feature[node] != _tree.TREE_UNDEFINED:
name = f...
How to retrieve a module's path?
...he path of the module you import, but not of the module/script you are in (for the script you're running, __file__ is not a full path, it is relative). For the file I'm in I had to import another module from the same directory and do as shown here. Does anyone know a more convenient way?
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