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“/usr/bin/ld: cannot find -lz”
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Also helped me install/build lxml-3.4.0 for Python via pip on Ubuntu 14.04 LTS/trusty. Thanks!
– Marian
Sep 15 '14 at 8:07
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How do I profile memory usage in Python?
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This one has been answered already here: Python memory profiler
Basically you do something like that (cited from Guppy-PE):
>>> from guppy import hpy; h=hpy()
>>> h.heap()
Partition of a set of 48477 objects. Total size = 3265516 bytes.
Index C...
efficient circular buffer?
I want to create an efficient circular buffer in python (with the goal of taking averages of the integer values in the buffer).
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Python timedelta in years
...29th February 2008 it returns Zero- at least for me; not 1 as you suggest (Python 2.5.2). There's no need to rude Mr Machin. Exactly what two dates are you having trouble with?
– John Mee
Feb 8 '10 at 6:16
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Finding the index of an item in a list
..., "baz"] and an item in the list "bar" , how do I get its index ( 1 ) in Python?
31 Answers
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Artificially create a connection timeout error
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This won't always work. For instance, with Python's urllib, this will return a 'No route to host' exception. FYI
– Mike Shultz
Feb 22 '13 at 22:35
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How to input a regex in string.replace?
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Another good reference sees w3schools.com/python/python_regex.asp
– Carson
May 15 at 11:23
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How to upload a file in Django? [closed]
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8. Initialize
Just run syncdb and runserver.
> cd myproject
> python manage.py syncdb
> python manage.py runserver
Results
Finally, everything is ready. On default Django developement environment the list of uploaded documents can be seen at localhost:8000/list/. Today the files a...
Plotting time in Python with Matplotlib
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You must first convert your timestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_datetimes)
matplotlib.pyplot...
How to create major and minor gridlines with different linestyles in Python
...434%2fhow-to-create-major-and-minor-gridlines-with-different-linestyles-in-python%23new-answer', 'question_page');
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