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Importing from a relative path in Python
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EDIT Nov 2014 (3 years later):
Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory...
Use curly braces to initialize a Set in Python
I'm learning python, and I have a novice question about initializing sets. Through testing, I've discovered that a set can be initialized like so:
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remove None value from a list without removing the 0 value
...-- Yeah. My main problem is that x > y does not imply not x <= y in python because you can do anything in __lt__ and __le__, so why should x not in y imply not x in y (especially since not in has it's own bytecode?)
– mgilson
Apr 19 '13 at 4:07
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Python ValueError: too many values to unpack [duplicate]
...acked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
However, since you're throwing the key away anyway, you may as well simply iterate over the dictionary's values:
for...
What exactly is Python's file.flush() doing?
I found this in the Python documentation for File Objects :
4 Answers
4
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Random strings in Python
How do you create a random string in Python?
13 Answers
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What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
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How do I log a Python error with debug information?
I am printing Python exception messages to a log file with logging.error :
12 Answers
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Appending the same string to a list of strings in Python
...s in mylist)
These are very powerful, flexible, and concise. Every good python programmer should learn to wield them.
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What is the equivalent of MATLAB's repmat in NumPy
...the same).
Matlab:
>> repmat([1;1],[1,1,1])
ans =
1
1
Python:
In [46]: a = np.array([[1],[1]])
In [47]: np.tile(a, [1,1,1])
Out[47]:
array([[[1],
[1]]])
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