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Why can't I call read() twice on an open file?
...olution for this exercise (code.google.com/intl/de-DE/edu/languages/google-python-class/…). But somehow I didn't thought of storing the string in a variable. D'oh!
– helpermethod
Oct 11 '10 at 17:33
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Are Exceptions in C++ really slow
...aware that Pyhon has a finally-clause for exception handling. this means a Python implementation either has stack unwinding or is not Python. you appear to be completely ignorant of the subjects that you make (fantasy) claims about. sorry.
– Cheers and hth. - Alf
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Numpy: Divide each row by a vector element
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Pythonic way to do this is ...
np.divide(data.T,vector).T
This takes care of reshaping and also the results are in floating point format.
In other answers results are in rounded integer format.
#NOTE: No of columns in bot...
Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...someone explain to me the meaning of @classmethod and @staticmethod in python? I need to know the difference and the meaning.
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Bypass confirmation prompt for pip uninstall
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starting with pip version 7.1.2 you can run pip uninstall -y <python package(s)>
pip uninstall -y package1 package2 package3
or from file
pip uninstall -y -r requirements.txt
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Algorithm to generate a crossword
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I just recently wrote my own in Python. You can find it here: http://bryanhelmig.com/python-crossword-puzzle-generator/. It doesn't create the dense NYT style crosswords, but the style of crosswords you might find in a child's puzzle book.
Unlike a few alg...
How to get terminal's Character Encoding
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If you have Python:
python -c "import sys; print(sys.stdout.encoding)"
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Algorithm to calculate the number of divisors of a given number
...ee how many of those primes act as a divisor (and how often).
Here's some python for the algo Look here and search for "Subject: math - need divisors algorithm". Just count the number of items in the list instead of returning them however.
Here's a Dr. Math that explains what exactly it is you nee...
how to iterate through dictionary in a dictionary in django template?
...ic dict.
To iterate over dict keys in a sorted order - First we sort in python then iterate & render in django template.
return render_to_response('some_page.html', {'data': sorted(data.items())})
In template file:
{% for key, value in data %}
<tr>
<td> Key: {{ key ...
pass **kwargs argument to another function with **kwargs
...ple you provide 3 arguments: filename, mode and a dictionary (kwargs). But Python expects: 2 formal arguments plus keyword arguments.
By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments.
A dictionary (type dict) is a single variable containing key-value pairs...