¡@
python Programming Glossary: sameWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python parameters and return a class. I know it's silly that the same function can have two completely different uses according to.. a __metaclass__ in Bar the parent class and try to do the same. If Python can't find __metaclass__ in any parent it will look.. for a __metaclass__ at the MODULE level and try to do the same. Then if it can't find any __metaclass__ at all it will use..
Python List Comprehension Vs. Map http://stackoverflow.com/questions/1247486/python-list-comprehension-vs-map you're NOT making a lambda for the purpose but using the same function in map and a listcomp . List comprehensions may be.. of the tiny speed advantage of map when using exactly the same function python mtimeit s'xs range 10 ' 'map hex xs ' 100000..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python sys def test f1 f2 num print 'Testing f1 and f2 return same results'.format f1 f1.func_name f2 f2.func_name if not all a..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained 3 for i in mygenerator ... print i 0 1 4 It is just the same except you used instead of . BUT you can not perform for i in.. from the previous ones since it's not applied on the same node. The extend method is a list object method that expects..
http://stackoverflow.com/questions/2709821/python-self-explained the method is called on. That makes methods entirely the same as functions and leaves the actual name to use up to you although..
Python “is” operator behaves unexpectedly with integers http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers two arbitrary objects to see whether they are the same and I don't know in advance whether they are numbers or not..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs and dictionaries as arguments of a function AND at the same time as a wildcard so I can pass ANY argument Is there a simple.. titlestring kwargs You can also use both in the same function definition but args must occur before kwargs . You..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python as good as a reduce anyway because reduce will have the same overhead copying the items into the list that's being extended... the list that's being extended. chain will only incur this same overhead if you run list chain at the end. Meta Edit Actually..
How do you remove duplicates from a list in Python whilst preserving order? http://stackoverflow.com/questions/480214/how-do-you-remove-duplicates-from-a-list-in-python-whilst-preserving-order x EDIT If you plan on using this function a lot on the same dataset perhaps you would be better off with an ordered set..
Old style and new style classes in Python http://stackoverflow.com/questions/54867/old-style-and-new-style-classes-in-python x is an instance of a new style class then type x is the same as x.__class__ . The major motivation for introducing new style..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference object into a method the method gets a reference to that same object and you can mutate it to your heart's delight but if..
Common pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python in 3.0 isListSorted myIndexList list range 3 # will not Same thing can be mistakenly done with xrange myIndexList xrange..
http://stackoverflow.com/questions/10963804/dynamic-variable the order of the lists lists for i in range len myself 2 Same but with a for loop instead of a list comprehension lists for..
Should __init__() call the parent class's __init__()? http://stackoverflow.com/questions/1385759/should-init-call-the-parent-classs-init is not strictly necessary since the super method is empty. Same for __del__ . OTOH for __new__ you should indeed call the super..
How do you express binary literals in Python? http://stackoverflow.com/questions/1476/how-do-you-express-binary-literals-in-python is the letter O to represent an octal. Python 3.0 beta Same as 2.6 but will no longer allow the older 027 syntax for octals...
Django: python manage.py runserver gives RuntimeError: maximum recursion depth exceeded in cmp http://stackoverflow.com/questions/16259729/django-python-manage-py-runserver-gives-runtimeerror-maximum-recursion-depth-e tried python manage.py runserver settings mysite.settings Same exact error as the command without the option settings Any suggestions..
How does __contains__ work for ndarrays? http://stackoverflow.com/questions/18320624/how-does-contains-work-for-ndarrays element of the first row matches the 0 th element of 1 7 . Same with 1 2 etc. With 2 6 the 6 matches the 6 in the last row...
http://stackoverflow.com/questions/2051192/what-is-a-python-egg create them. python egg share improve this question Same concept as a .jar file in Java it is a .zip file with some metadata..
range and xrange for 13-digit numbers in Python? http://stackoverflow.com/questions/2187135/range-and-xrange-for-13-digit-numbers-in-python xrange share improve this question You could try this. Same semantics as range import operator def lrange num1 num2 None..
The problem with installing PIL using virtualenv or buildout http://stackoverflow.com/questions/2485295/the-problem-with-installing-pil-using-virtualenv-or-buildout that easy_install pack PIL into the Egg and PIP does not. Same thing with buildbot it uses eggs. How could I install PIL properly..
Python's preferred comparison operators http://stackoverflow.com/questions/2576826/pythons-preferred-comparison-operators to do if x is y return True or if x y return True Same thing for is not python comparison share improve this question..
Can I install python 3.x and 2.x on the same computer? http://stackoverflow.com/questions/341184/can-i-install-python-3-x-and-2-x-on-the-same-computer here is the Windows solution # c Python python3_0.exe u Same thing... in front of your script share improve this answer..
Finding multiple occurrences of a string within a string in Python http://stackoverflow.com/questions/3873361/finding-multiple-occurrences-of-a-string-within-a-string-in-python at 1 as expected. How do I find the next occurrence of it Same question is valid for a list. Consider x 'll' 'ok' 'll' How..
Understanding dict.copy() - shallow or deep? http://stackoverflow.com/questions/3975376/understanding-dict-copy-shallow-or-deep it says that it makes a shallow copy of the dictionary. Same goes for the book I am following Beazley's Python Reference..
Python and the Singleton Pattern [duplicate] http://stackoverflow.com/questions/42558/python-and-the-singleton-pattern
Driving Excel from Python in Windows http://stackoverflow.com/questions/441758/driving-excel-from-python-in-windows on Win32 has an Integrating with Excel chapter. Same book free sample chapter Advanced Python and COM covers makepy..
http://stackoverflow.com/questions/5148589/python-urllib-over-tor DNS resolving will be preformed remotely on the server. Same effect with both PROXY_TYPE_SOCKS4 and PROXY_TYPE_SOCKS5 selected...
Pipe raw OpenCV images to FFmpeg http://stackoverflow.com/questions/5825173/pipe-raw-opencv-images-to-ffmpeg And here's a little something extra for the power users. Same thing but using VLC to stream the live output to the web Flash..
What is the proper way to format a multi-line dict in Python? http://stackoverflow.com/questions/6388187/what-is-the-proper-way-to-format-a-multi-line-dict-in-python multiline share improve this question I use #3. Same for long lists tuples etc. It doesn't require adding any extra..
Making Python scripts run on Windows without specifying “.py” extension http://stackoverflow.com/questions/9037346/making-python-scripts-run-on-windows-without-specifying-py-extension up but it is not I re try with the python.exe off my path. Same problem. Note every time I set a path it is in the control panel...
|