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How to drop into REPL (Read, Eval, Print, Loop) from Python code
Is there a way to programmatically force a Python script to drop into a REPL at an arbitrary point in its execution, even if the script was launched from the command line?
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String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">...
Is there a way to detach matplotlib plots so that the computation can continue?
After these instructions in the Python interpreter one gets a window with a plot:
19 Answers
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Does “\d” in regex mean a digit?
...d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
6 Answers
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The difference between sys.stdout.write and print?
... >> open('file.txt', 'w'), 'Hello', 'World', 2+3
See: https://docs.python.org/2/reference/simple_stmts.html?highlight=print#the-print-statement
In Python 3.x, print becomes a function, but it is still possible to pass something other than sys.stdout thanks to the fileargument.
print('Hel...
Event system in Python
What event system for Python do you use? I'm already aware of pydispatcher , but I was wondering what else can be found, or is commonly used?
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Element-wise addition of 2 lists?
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What Python version did you use for those timings?
– arshajii
Sep 16 '13 at 0:20
9
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Python Image Library fails with message “decoder JPEG not available” - PIL
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The problem was that I had two python packages. One that ships in with ubuntu and another that belonged to Zope Server. Somehow, the library was corrupted because I had incorrectly installed it in the wrong package. Otherwise, there is no problem.
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How to redirect output with subprocess in Python?
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UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.system(my_cmd)
If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
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Parsing XML with namespace in Python via 'ElementTree'
I have the following XML which I want to parse using Python's ElementTree :
6 Answers
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