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Single vs double quotes in JSON
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JSON syntax is not Python syntax. JSON requires double quotes for its strings.
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How to calculate cumulative normal distribution?
I am looking for a function in Numpy or Scipy (or any rigorous Python library) that will give me the cumulative normal distribution function in Python.
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Extracting text from HTML file using Python
I'd like to extract the text from an HTML file using Python. I want essentially the same output I would get if I copied the text from a browser and pasted it into notepad.
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Unexpected results when working with very big integers on interpreted languages
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Python works:
>>> sum(x for x in xrange(1000000000 + 1))
500000000500000000
Or:
>>> sum(xrange(1000000000+1))
500000000500000000
Python's int auto promotes to a Python long which supports arbitrary pre...
How to download image using requests
I'm trying to download and save an image from the web using python's requests module.
14 Answers
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Programmatically get the cache line size?
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On Linux (with a reasonably recent kernel), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the foll...
Why doesn't list have safe “get” method like dictionary?
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Python doesn't allow monkeypatching builtin types like list
– Imran
Feb 26 '11 at 7:32
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Check free disk space for current partition in bash
... specify -k. (coreutils df defaults to 1k blocks, so you're pretty safe on Linux though - but if you have coreutils, you have stat, and that's even safer - no parsing required).
– Mat
Nov 13 '11 at 9:21
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Split string with multiple delimiters in Python [duplicate]
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Luckily, Python has this built-in :)
import re
re.split('; |, ',str)
Update:Following your comment:
>>> a='Beautiful, is; better*than\nugly'
>>> import re
>>> re.split('; |, |\*|\n',a)
['Beautiful', 'is'...
Creating a dictionary from a csv file?
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mydict = {rows[0]:rows[1] for rows in reader}
Alternately, for python <= 2.7.1, you want:
mydict = dict((rows[0],rows[1]) for rows in reader)
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