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How can I selectively escape percent (%) in Python strings?
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In Python 3.3.5, print('%s%%' % 100) prints 100%. But print('%%') prints %%. So it looks like you don't have to escape the % signs if you don't make substitutions.
– Zenadix
Sep 8 '15 at 19...
Extract traceback info from an exception object
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The answer to this question depends on the version of Python you're using.
In Python 3
It's simple: exceptions come equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method...
Split a python list into other “sublists” i.e smaller lists [duplicate]
I have a python list which runs into 1000's. Something like:
3 Answers
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How to reset db in Django? I get a command 'reset' not found error
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reset has been replaced by flush with Django 1.5, see:
python manage.py help flush
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Python Sets vs Lists
In Python, which data structure is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
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Converting Dictionary to List? [duplicate]
I'm trying to convert a Python dictionary into a Python list, in order to perform some calculations.
7 Answers
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What does the number in parentheses shown after Unix command names in manpages mean?
... <section_num> <cmd>
Let's imagine you are Googling around for Linux commands. You find the OPEN(2) pg online: http://man7.org/linux/man-pages/man2/open.2.html.
To see this in the man pages on your pc, simply type in man 2 open.
For FOPEN(3) use man 3 fopen, etc.
3. man <section_num&g...
In Python, how can you load YAML mappings as OrderedDicts?
... to get PyYAML 's loader to load mappings (and ordered mappings) into the Python 2.7+ OrderedDict type, instead of the vanilla dict and the list of pairs it currently uses.
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mkdir -p functionality in Python [duplicate]
... a way to get functionality similar to mkdir -p on the shell from within Python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it?
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Web-scraping JavaScript page with Python
... isn't maintained anymore and the library dryscape developers recommend is Python 2 only. I have found using Selenium's python library with Phantom JS as a web driver fast enough and easy to get the work done.
Once you have installed Phantom JS, make sure the phantomjs binary is available in the cu...