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python Programming Glossary: makesWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python statements into a complex hook to a database field. Django makes something complex look simple by exposing a simple API and using..
How can I attach a pyplot function to a figure instance? http://stackoverflow.com/questions/14254379/how-can-i-attach-a-pyplot-function-to-a-figure-instance ax fig1.add_subplot 111 ax.contour X Y Z plt.subplots makes it convenient to create a figure and subplots with a single..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python of any decent fire and forget server system. Python makes it easy to log with maybe some project specific wrappers all..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python been implemented starting with Python 2.6 and 3.0. The PEP makes it clear that while ABCs can often substitute for duck typing..
How does zip(*[iter(s)]*n) work in Python? http://stackoverflow.com/questions/2233204/how-does-zipitersn-work-in-python say you pass to zip three identical iterators and zip makes 3 tuples of the integers ”in order ”from each of the three iterators..
http://stackoverflow.com/questions/2709821/python-self-explained attributes. Python decided to do methods in a way that makes the instance to which the method belongs be passed automatically.. of methods is the instance the method is called on. That makes methods entirely the same as functions and leaves the actual..
Calling a function from a string with the function's name in Python http://stackoverflow.com/questions/3061/calling-a-function-from-a-string-with-the-functions-name-in-python 3 can be compressed to result getattr foo 'bar' if that makes more sense for your use case. You can use getattr in this fashion..
What is the most “pythonic” way to iterate over a list in chunks? http://stackoverflow.com/questions/434287/what-is-the-most-pythonic-way-to-iterate-over-a-list-in-chunks ints i 2 ints i 3 It looks a lot like C think though which makes me suspect there's a more pythonic way of dealing with this..
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 type of the file alongside the data. For example Django makes this data available as an attribute of the UploadedFile object...
What's the difference between list and tuples in Python? http://stackoverflow.com/questions/626759/whats-the-difference-between-list-and-tuples-in-python have structure lists have order. Using this distinction makes code more explicit and understandable. One example would be.. might want to add or remove locations from the list so it makes sense that lists are mutable. On the other hand it probably.. On the other hand there might be situations where it makes perfect sense to correct just the line number without replacing..
What is the best way to implement nested dictionaries in Python? http://stackoverflow.com/questions/635483/what-is-the-best-way-to-implement-nested-dictionaries-in-python 'plumbers' 9 'new york' 'queens county' 'salesmen' 36 This makes iterating over the values very simple and natural but it is..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields data in forms and report on the data. The latter bit makes JSONField not a great option so instead I have the following.. and simple Django models to represent dynamic fields which makes it simple to understand and database agnostic allows you to.. not what you want . This is a PostgreSQL backend which makes use of hstore module. With it you can have a DictionaryField..
http://stackoverflow.com/questions/886221/does-django-scale is a very good presentation on how to scale Django and makes some good points including current shortcomings in Django scalability...
How to lock a critical section in Django? http://stackoverflow.com/questions/1123200/how-to-lock-a-critical-section-in-django
http://stackoverflow.com/questions/13088998/homebrew-python-installing Sounds like a permissions issue with usr local. ### Makes you owner of usr local sudo chown R `whoami` usr local ### Force..
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 improve this question This may be quicker than yours. Makes no assumptions about line length. Backs through the file one..
How do I plot multiple X or Y axes in matplotlib? http://stackoverflow.com/questions/3918028/how-do-i-plot-multiple-x-or-y-axes-in-matplotlib ax None label None offset 0 labeloffset 20 Makes a second bottom spine if ax is None ax plt.gca second_bottom..
How to get transparent background in window with PyGTK and PyCairo? http://stackoverflow.com/questions/4889045/how-to-get-transparent-background-in-window-with-pygtk-and-pycairo an object is drawn cr.set_operator cairo.OPERATOR_CLEAR # Makes the mask fill the entire window cr.rectangle 0.0 0.0 widget.get_size.. def main argc win gtk.Window win.set_decorated False # Makes the window paintable so we can draw directly on it win.set_app_paintable..
Improving Python/django view code http://stackoverflow.com/questions/6245755/improving-python-django-view-code ' question rather than defining another field if possible. Makes the process easier. # forms.py class UserProfileForm forms.ModelForm..
Setting Mac OSX Application Menu menu bar item to other than “Python” in my python Qt application http://stackoverflow.com/questions/7827430/setting-mac-osx-application-menu-menu-bar-item-to-other-than-python-in-my-pyth unwanted Python # application menu name on Mac. # Makes no difference whether we use PySide or PyQt4 from PySide.QtGui..
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