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Rolling or sliding window iterator?
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@pillmuncher: Python 2.7 or 3.x? I was using 2.7. The ratio is also fairly sensitive to the value of size. If you increase it (e.g., if the iterable is 100000 elements long, make the window size 1000), you may see an increase.
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Is it possible for a unit test to assert that a method calls sys.exit()
I have a python 2.7 method that sometimes calls
4 Answers
4
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Generator Expressions vs. List Comprehension
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If you can use 2.7 and above, that dict() example would looks better as a dict comprehension (the PEP for that is older than then the generator expressions PEP, but took longer to land)
– Jürgen A. Erhard
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Bundling data files with PyInstaller (--onefile)
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I'm using pyinstaller 2 with python 2.7 and I don't have _MEIPASS2 in envs, but sys._MEIPASS works well, so +1. I suggest: path = getattr(sys, '_MEIPASS', os.getcwd())
– kbec
Feb 28 '13 at 14:22
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SQLAlchemy IN clause
... way is using raw SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below:
id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set
s = text('SELECT id, content FROM myTable WHERE id...
Expanding tuples into arguments
...ted May 27 at 13:31
Nicolas Gervais
13.3k77 gold badges3434 silver badges5656 bronze badges
answered Jan 3 '10 at 2:24
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Using python “with” statement with try-except block
...h statement can make things less error prone. In newer versions of Python (2.7, 3.1), you can also combine multiple expressions in one with statement. For example:
with open("input", "r") as inp, open("output", "w") as out:
out.write(inp.read())
Besides that, I personally regard it as bad hab...
An efficient way to transpose a file in Bash
... One minor problem here: Replace l.split() by l.strip().split() (Python 2.7), else the last line of the output is crippled. Works for arbitrary column separators, use l.strip().split(sep) and sep.join(c) if your separator is stored in variable sep.
– krlmlr
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How to pretty print nested dictionaries?
... with it.
The class and the function has been tested and works with Python 2.7 and 3.4.
You can have all type of objects inside, this is their representations and not theirs contents that being put in the result (so string have quotes, Unicode string are fully represented ...).
With the class versio...
How do I tell matplotlib that I am done with a plot?
...emory leaks, but first calling plt.close() stopped the memory leak. Python 2.7, matplotlib 1.1.1rc1 (ubuntu 12.04). FYI.
– D.J.Duff
Jul 26 '13 at 12:58
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