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python Programming Glossary: sayWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python I've mastered almost all the Python concepts well let's say they're just OO concepts but this one is tricky. I know it has..
What can you use Python generator functions for? http://stackoverflow.com/questions/102535/what-can-you-use-python-generator-functions-for in a little 'for' loop around the generator. For example say you wrote a 'filesystem search' program. You could perform the..
Remove items from a list while iterating in Python http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python x for x in somelist if determine x EDIT Jobs' comment says that he wants the 'determine' to say what should be deleted... x EDIT Jobs' comment says that he wants the 'determine' to say what should be deleted. That would then be just. somelist x..
Is there a difference between `==` and `is` in python? http://stackoverflow.com/questions/132988/is-there-a-difference-between-and-is-in-python for objects where you would be comparing instances a list say Okay so this kind of answers my question L L.append 1 if L 1..
http://stackoverflow.com/questions/1396668/python-get-object-by-id Get object by id Let's say I have an id of a Python object which I retrieved by doing id..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python of __repr__ is to be unambiguous Let me come right out and say it I do not believe in debuggers. I don ™t really know how to..
http://stackoverflow.com/questions/15112125/if-x-or-y-or-z-blah if there was a way to translate the first into Python. So say x 0 y 1 z 3 if x or y or z 0 Mylist.append c elif x or y or..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python iter x except TypeError return treatasscalar x You could say that basestring is an Abstract Base Class ABC it offers no concrete..
How does zip(*[iter(s)]*n) work in Python? http://stackoverflow.com/questions/2233204/how-does-zipitersn-work-in-python of argument unpacking and zip . As Ignacio and ujukatzel say you pass to zip three identical iterators and zip makes 3 tuples..
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 the function's name in a Python program. For example let's say that I have a module foo and I have a string whose contents..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement left to be assigned At runtime Get a U 0 1 random number say binary 0.001100000 bitshift it lg2 p finding the index partition...
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 to find the mime type of a file in python Let's say you want to save a bunch of files somewhere for instance in.. a bunch of files somewhere for instance in BLOBs. Let's say you want to dish these files out via a web page and have the..
Dynamically adding a form to a Django formset with Ajax http://stackoverflow.com/questions/501719/dynamically-adding-a-form-to-a-django-formset-with-ajax as the actual form fields. If you have a formset full of say Client models the management fields will have IDs of id_clients..
Understanding Python super() and init methods http://stackoverflow.com/questions/576169/understanding-python-super-and-init-methods Note that the syntax changed in Python 3.0 you can just say super .__init__ instead of super ChildB self .__init__ which..
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 which essentially amounts to a nested dictionary. Let's say it looks like this 'new jersey' 'mercer county' 'plumbers' 3..
Static class variables in Python http://stackoverflow.com/questions/68645/static-class-variables-in-python to an instance. See what the Python tutorial has to say on the subject of classes and class objects . @Steve Johnson..
How can I make a chain of function decorators in Python? http://stackoverflow.com/questions/739654/how-can-i-make-a-chain-of-function-decorators-in-python that would do the following @makebold @makeitalic def say return Hello which should return b i Hello i b I'm not trying..
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python . So for simplicity and without actual loss of generality say you have L sublists of I items each the first I items are copied..
Python - When to use file vs open http://stackoverflow.com/questions/112970/python-when-to-use-file-vs-open file and open in Python When should I use which one Say I'm in 2.5 python file share improve this question You..
Creating dynamically named variables from user input http://stackoverflow.com/questions/11354214/creating-dynamically-named-variables-from-user-input do I create one with a variable name based on user input Say I prompt the user for a name how do I take that info and use..
Fast comparison between two Python dictionary http://stackoverflow.com/questions/1165352/fast-comparison-between-two-python-dictionary standard and can have keys which can be dict of dict.... Say dictA 'key1' a 'key2' b 'key3' 'key11' cc 'key12' dd 'key4'..
Euclidean distance between points in two different Numpy arrays, not within http://stackoverflow.com/questions/1871536/euclidean-distance-between-points-in-two-different-numpy-arrays-not-within in each row or column. Another way to look at the problem. Say I concatenate xy1 length m and xy2 length p into xy length n..
Mass string replace in python? http://stackoverflow.com/questions/1919096/mass-string-replace-in-python string replace in python Say I have a string that looks like this str The yquick cbrown bfox..
How to do a bitwise NOR Gate in Python (editing python maths to work for me) http://stackoverflow.com/questions/19197495/how-to-do-a-bitwise-nor-gate-in-python-editing-python-maths-to-work-for-me NOR Gate in Python editing python maths to work for me Say I was to write this a 01100001 b 01100010 c 01100011 d 01100100..
Can you list the keyword arguments a Python function receives? http://stackoverflow.com/questions/196960/can-you-list-the-keyword-arguments-a-python-function-receives not accepted by the example function it obviously dies.. Say if the example function is defined as def example kw2 This is..
Can you add new statements to Python's syntax? http://stackoverflow.com/questions/214881/can-you-add-new-statements-to-pythons-syntax new statements like print raise with to Python's syntax Say to allow.. mystatement Something Or new_if True print example..
SQLite, python, unicode, and non-utf data http://stackoverflow.com/questions/2392732/sqlite-python-unicode-and-non-utf-data .decode 'latin1' are the same when evaluated with repr . Say what It doesn't look like it to me unicode xF3 Traceback most..
http://stackoverflow.com/questions/2759067/rename-files-in-python a newbie I can't adapt what I need from what is out there. Say I have a file called CHEESE_CHEESE_TYPE. and want to remove..
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 do I filter ForeignKey choices in a Django ModelForm Say I have the following in my models.py class Company models.Model..
Testing if a list contains another list with Python http://stackoverflow.com/questions/3847386/testing-if-a-list-contains-another-list-with-python Python How can I test if a list contains another list. Say there was a function called contains contains 1 2 1 0 1 2 #..
convert a string of bytes into an int (python) http://stackoverflow.com/questions/444591/convert-a-string-of-bytes-into-an-int-python How can I convert a string of bytes into an int in python Say like this 'y xcc xa6 xbb' I came up with a clever stupid way..
Does python have an equivalent to Java Class.forName()? http://stackoverflow.com/questions/452969/does-python-have-an-equivalent-to-java-class-forname to recursively use gettatr on the parts of the class name Say for example if you class name is foo.baz.bar.Model then we do..
How do I manage third-party Python libraries with Google App Engine? (virtualenv? pip?) http://stackoverflow.com/questions/4863557/how-do-i-manage-third-party-python-libraries-with-google-app-engine-virtualenv third party Python libraries with Google App Engine Say I want to use Flask a webapp framework. A blog entry says to..
http://stackoverflow.com/questions/4937491/matrix-transpose-in-python function for python but I can't seem to make it work. Say I have theArray 'a' 'b' 'c' 'd' 'e' 'f' 'g' 'h' 'i' and I want..
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 floating around on the web about all of this. Say Hello code completion auto indentation git integration and syntax..
How can you print a variable name in python? [duplicate] http://stackoverflow.com/questions/592746/how-can-you-print-a-variable-name-in-python can you print a variable name in python duplicate Say I have a variable named choice it is equal to 2. How would I..
Passing functions with arguments to another function in Python? http://stackoverflow.com/questions/803616/passing-functions-with-arguments-to-another-function-in-python functions with arguments to another function in Python Say for something like def Perform function function but the functions..
Is it possible to sort two lists(which reference each other) in the exact same way? http://stackoverflow.com/questions/9764298/is-it-possible-to-sort-two-listswhich-reference-each-other-in-the-exact-same-w smartest idea but I was a bit curious if this is possible. Say I have two lists list1 3 2 4 1 1 list2 three two four one one2..
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