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How to copy a dictionary and only edit the copy
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The best and the easiest ways to create a copy of a dict in both Python 2.7 and 3 are...
To create a copy of simple(single-level) dictionary:
1. Using dict() method, instead of generating a reference that points to the existing dict.
my_dict1 = dict()
my_dict1["message"] = "Hello Python"
prin...
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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Get class that defined method
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In Python 2.7 it does not work. Same error about missing 'im_class'.
– RedX
May 23 '16 at 11:54
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argparse store false if unspecified
...or this behavior is succinct and clear: http://hg.python.org/cpython/file/2.7/Lib/argparse.py#l861
The argparse docs aren't clear on the subject, so I'll update them now: http://hg.python.org/cpython/rev/49677cc6d83a
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Queue.Queue vs. collections.deque
..., because it's written using collections.deque: hg.python.org/cpython/file/2.7/Lib/Queue.py - it uses condition variables to efficiently allow the deque it wraps to be accessed over thread boundaries safely and efficiently. The explanation of how you'd use a deque for communication is right there in...
How do I install from a local cache with pip?
...ll be specified in the file name, like -cp27-none-linux_x86_64 for CPython 2.7 on a 64-bit Linux, etc.
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How can I list (ls) the 5 last modified files in a directory?
...utput:
total 26960312
-rw-r--r--@ 1 user staff 1.2K 11 Jan 11:22 phone2.7.py
-rw-r--r--@ 1 user staff 2.7M 10 Jan 15:26 03-cookies-1.pdf
-rw-r--r--@ 1 user staff 9.2M 9 Jan 16:21 Wk1_sem.pdf
-rw-r--r--@ 1 user staff 502K 8 Jan 10:20 lab-01.pdf
-rw-rw-rw-@ 1 user staff 2.0M 5 ...
“Inner exception” (with traceback) in Python?
...se ... from clause to chain exceptions. Glenn's answer is great for Python 2.7, but it only uses the original exception's traceback and throws away the error message and other details. Here are some examples in Python 2.7 that add context information from the current scope into the original exceptio...
Parsing XML with namespace in Python via 'ElementTree'
...nicode string prefix 'u' to the sample string it works also with Python 2 (2.7).
– Davide Brunato
Feb 21 '17 at 8:23
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How to get Linux console window width in Python
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That's because you shouldn't be using 2.7 any longer, make the jump to 3.x it's worth it.
– anthonyryan1
Jun 25 '15 at 2:29
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