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python Programming Glossary: you'llWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python FooChild.bar # bar is inherited from Foo True Eventually you'll want to add methods to your class. Just define a function with..
Common pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python is changed. If you set a mutable object as a default value you'll get the same object shared across instances. Don't unless you..
How to remove convexity defects in a Sudoku square? http://stackoverflow.com/questions/10196198/how-to-remove-convexity-defects-in-a-sudoku-square improve this question I have a solution that works but you'll have to translate it to OpenCV yourself. It's written in Mathematica...
http://stackoverflow.com/questions/1035340/reading-binary-file-in-python in versions of Python below 2.5. To use it in v 2.5 you'll need to import it from __future__ import with_statement In 2.6..
How many Python classes should I put in one file? [closed] http://stackoverflow.com/questions/106896/how-many-python-classes-should-i-put-in-one-file related classes. The trick is that a module is something you'll import and you need that import to be perfectly sensible to..
Choosing Java vs Python on Google App Engine http://stackoverflow.com/questions/1085898/choosing-java-vs-python-on-google-app-engine Python side alternatives in practice if you choose Python you'll be writing some JS yourself for this purpose while if you choose..
How do I modify a text file in Python? http://stackoverflow.com/questions/125703/how-do-i-modify-a-text-file-in-python if you want to add stuff at the beginning or the middle you'll have to rewrite it. This is an operating system thing not a..
Get last n lines of a file with Python, similar to tail http://stackoverflow.com/questions/136168/get-last-n-lines-of-a-file-with-python-similar-to-tail is actually accurate you make the block size 2048 and you'll tail 20 lines almost immediately. Also I don't burn a lot of.. OS blocks. Using these high level I O packages I doubt you'll see any performance consequence of trying to align on OS block..
Loop “Forgets” to Remove Some Items http://stackoverflow.com/questions/17299581/loop-forgets-to-remove-some-items out your string vertically alongside the list but what you'll actually get is this H 'H' 'e' 'y' ' ' 'l' 'o' 'o' 'k' ' ' 'W'..
How do I filter ForeignKey choices in a Django ModelForm? http://stackoverflow.com/questions/291945/how-do-i-filter-foreignkey-choices-in-a-django-modelform on how your form is built. If you build an explicit form you'll have fields named directly. form.rate.queryset Rate.objects.filter..
DatabaseError: current transaction is aborted, commands ignored until end of transaction block http://stackoverflow.com/questions/2979369/databaseerror-current-transaction-is-aborted-commands-ignored-until-end-of-tra without first rolling back the transaction. To fix it you'll want to figure out where in the code that bad query is being..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat to language translator or attempting it but I think you'll find this a much bigger task for real languages than you expect...
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array on the mask to label all distinct objects. Then you'll be able to play with them individually. Note that the method..
Using Django time/date widgets in custom form http://stackoverflow.com/questions/38601/using-django-time-date-widgets-in-custom-form one automatically. So in your template above form.media you'll need script type text javascript src my_admin jsi18n script..
How do I unload (reload) a Python module? http://stackoverflow.com/questions/437589/how-do-i-unload-reload-a-python-module occur if that is desired. As you noted in your question you'll have to reconstruct Foo objects if the Foo class resides in..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows If you don't have a C C compiler installed and configured you'll see this cryptic error message. Error Unable to find vcvarsall.bat..
http://stackoverflow.com/questions/594266/equation-parsing-in-python use Python notation. If your change the notation slightly you'll be happier. import compiler eq sin x x 2 ast compiler.parse..
Recommendations of Python REST (web services) framework? [closed] http://stackoverflow.com/questions/713847/recommendations-of-python-rest-web-services-framework in REST and unless you're very careful about this you'll end up falling into a REST anti pattern . Some frameworks that..
Python: Is explicitly closing files important? http://stackoverflow.com/questions/7395542/python-is-explicitly-closing-files-important Python implementation which doesn't use reference counting you'll need to go through all your code and make sure all your files..
What is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python with the class __main__.MyShinyClass object at 0x8997cec You'll notice that we use MyShinyClass as the name of the class and..
how to extract domain name from URL http://stackoverflow.com/questions/1066933/how-to-extract-domain-name-from-url sell domains such as co.uk but only like zap.co.uk . You'll just have to use an auxiliary table or online source to tell..
Distributing my python scripts as jars with jython? http://stackoverflow.com/questions/1252965/distributing-my-python-scripts-as-jars-with-jython that and get the more pleasing java jar myapp.jar arg1 You'll have to do a bit more work until we get something like this..
Is there an easy way to pickle a python function (or otherwise serialize its code)? http://stackoverflow.com/questions/1253528/is-there-an-easy-way-to-pickle-a-python-function-or-otherwise-serialize-its-cod just gives it the remote process's global namespace. You'll probably need to do a bit more to support more complex cases..
http://stackoverflow.com/questions/1396668/python-get-object-by-id number I was given python share improve this question You'll probably want to consider implementing it another way. Are you..
About python's built in sort() method http://stackoverflow.com/questions/1517347/about-pythons-built-in-sort-method QUITE a while . As Chris's comment suggests it's C code. You'll also want to read this text file for a textual explanation results..
Why program functionally in Python? http://stackoverflow.com/questions/1892324/why-program-functionally-in-python one and preferably only one obvious way to do something . You'll often write listcomps that could not be sensibly translated..
Are there any static analysis tools for Python? http://stackoverflow.com/questions/35470/are-there-any-static-analysis-tools-for-python undefined variables basic type errors unused code etc. You'll want to tweak the configuration file as by default it outputs..
How to implement “autoincrement” on Google AppEngine http://stackoverflow.com/questions/3985812/how-to-implement-autoincrement-on-google-appengine you update in a transaction to 'consume' each new number. You'll be limited in practice to about 1 5 numbers generated per second..
http://stackoverflow.com/questions/4098131/matplotlib-update-a-plot you can just update the data of the plot objects. You'll need to make some changes in your code but this should be much..
Running shell command from python and capturing the output http://stackoverflow.com/questions/4760215/running-shell-command-from-python-and-capturing-the-output but returns a string containing the program's output. You'll still want to pass stderr subprocess.STDOUT because that will..
http://stackoverflow.com/questions/477096/python-import-coding-style of doing import mymodule mymodule.othermodule module_stub You'll have to do import othermodule othermodule.foo foo_stub This..
How do I compile a Visual Studio project from the command-line? http://stackoverflow.com/questions/498106/how-do-i-compile-a-visual-studio-project-from-the-command-line be os.system msbuild project.sln p Configuration Debug You'll also want to make sure your environment variables are correct..
Cross-platform gui toolkit for deploying Python applications http://stackoverflow.com/questions/520015/cross-platform-gui-toolkit-for-deploying-python-applications results in error messages that expose this architecture. You'll get an error complaining about a widget with a name like .1245485.67345..
http://stackoverflow.com/questions/6169522/no-module-named-zlib Just download the source and configure make make install . You'll want to at least set prefix to somewhere so it'll get installed..
Django Passing Custom Form Parameters to Formset http://stackoverflow.com/questions/622982/django-passing-custom-form-parameters-to-formset in any way i.e. by making it difficult to subclass . You'll get some strange naming i.e. the formset will be called '_curriedFormSet'..
http://stackoverflow.com/questions/775296/python-mysql-with-variables improve this question You have a few options available. You'll want to get comfortable with python's string iterpolation. Which..
How do you reload a Django model module using the interactive interpreter via “manage.py shell”? http://stackoverflow.com/questions/890924/how-do-you-reload-a-django-model-module-using-the-interactive-interpreter-via-m try to use your new method or attribute p1 pm.Poll p1.x You'll get this message 'Poll' object has no attribute 'x' What gives..
how to pip uninstall with virtualenv on heroku cedar stack? http://stackoverflow.com/questions/8937905/how-to-pip-uninstall-with-virtualenv-on-heroku-cedar-stack true Currently this won't work because there is a bug. You'll need to use my fork of the buildpack until this get fixed upstream..
Accessing mp3 Meta-Data with Python http://stackoverflow.com/questions/8948/accessing-mp3-meta-data-with-python the ID3 tag which the other modules I looked at couldn't. You'll have to download the tar and execute python setup.py install..
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