python Programming Glossary: containhttp://stackoverflow.com/questions/1835756/using-try-vs-if-in-python if you expect that 99 of the time result will actually contain something iterable I'd use the try except approach. It will..
What is the best project structure for a Python application? http://stackoverflow.com/questions/193161/what-is-the-best-project-structure-for-a-python-application Epydoc generated API docs. And the top level directory can contain README's Config's and whatnot. The hard choice is whether or.. writing an application named quux the directory that contains all this stuff is named quux . Another project's PYTHONPATH..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained result candidates list self # Loop on candidates they contain only one element at the beginning while candidates # Get the.. distance min_dist max_dist return result This code contains several smart parts The loop iterates on a list but the list.. resource. Itertools your best friend The itertools module contains special functions to manipulate iterables. Ever wish to duplicate..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing with rows of numbers OUTPUT_CSV an output file that will contain the sums cli_parser optparse.OptionParser usage return cli_parser.. with rows of numbers OUTPUT_CSV an output file that will contain the sums cli_parser optparse.OptionParser usage cli_parser.add_option.. with rows of numbers OUTPUT_CSV an output file that will contain the sums cli_parser optparse.OptionParser usage cli_parser.add_option..
If Python is interpreted, what are .pyc files? http://stackoverflow.com/questions/2998215/if-python-is-interpreted-what-are-pyc-files interpreted pyc share improve this question They contain byte code which is what the Python interpreter compiles the..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement of 1 p . In this case we create 8 partitions each able to contain 0.125. Take the variable with the least remaining weight and..
How to escape os.system() calls in Python? http://stackoverflow.com/questions/35817/how-to-escape-os-system-calls-in-python question. Notably this avoids problems with filenames that contain spaces or any other kind of nasty shell metacharacter. Udpdate..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode and all ~1000000 characters are available. The 4 bytes contain the number of the character in the Unicode tables as a 4 byte..
What's the proper way to install pip, virtualenv, and distribute for Python? http://stackoverflow.com/questions/4324558/whats-the-proper-way-to-install-pip-virtualenv-and-distribute-for-python line options the virtual environment will automatically contain pip and distribute. Install virtualenv into that environment...
How to find the mime type of a file in python? http://stackoverflow.com/questions/43580/how-to-find-the-mime-type-of-a-file-in-python extension. If users are uploading files the HTTP post will contain the MIME type of the file alongside the data. For example Django..
Regular expression to detect semi-colon terminated C++ for & while loops http://stackoverflow.com/questions/524548/regular-expression-to-detect-semi-colon-terminated-c-for-while-loops the text between the opening and closing parenthesis may contain other parenthesis for example for int i funcA i funcB i I'm.. as soon as you try and make the third part of the for loop contain a function like so for int i 0 i 10 doSomethingTo i I think.. and closing parenthesis the balanced group matches that contained text and thus the P balanced part doesn't work any more since..
Single quotes vs. double quotes in Python [closed] http://stackoverflow.com/questions/56011/single-quotes-vs-double-quotes-in-python like strings but will break the rules if the strings contain quotes or if I forget. I use triple double quotes for docstrings..
In Python, why can a function modify some arguments as perceived by the caller, but not others? http://stackoverflow.com/questions/575196/in-python-why-can-a-function-modify-some-arguments-as-perceived-by-the-caller 2 3 4 python share improve this question Some answers contain a word copy in a context of a function call. I find it confusing...
What's the difference between list and tuples in Python? http://stackoverflow.com/questions/626759/whats-the-difference-between-list-and-tuples-in-python also mentions this Tuples are immutable and usually contain an heterogeneous sequence ... . In a statically typed language..
Differences between distribute, distutils, setuptools and distutils2? http://stackoverflow.com/questions/6344076/differences-between-distribute-distutils-setuptools-and-distutils2 and Distutils2 I hope to finish my guide soon it will contain more info about each library 䏭 strong and weak points and a..
How do I execute a string containing Python code in Python? http://stackoverflow.com/questions/701802/how-do-i-execute-a-string-containing-python-code-in-python do I execute a string containing Python code in Python How do I execute a string containing.. Python code in Python How do I execute a string containing Python code in Python python string exec share improve.. of last resort It's slow ugly and dangerous if it can contain user entered code. You should always look at alternatives first..
How to do relative imports in Python? http://stackoverflow.com/questions/72852/how-to-do-relative-imports-in-python currently empty Edit2 I'm trying to do this because sub2 contains classes that are shared across sub packages sub1 subX etc... in the package hierarchy. If the module's name does not contain any package information e.g. it is set to '__main__' then relative..
Can scrapy be used to scrape dynamic content from websites that are using AJAX? http://stackoverflow.com/questions/8550114/can-scrapy-be-used-to-scrape-dynamic-content-from-websites-that-are-using-ajax get your data than parsing HTML because that data does not contain presentation logic and is formatted to be accessed by javascript..
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