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python Programming Glossary: meWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python is a metaclass in Python I've mastered almost all the Python concepts.. just OO concepts but this one is tricky. I know it has something to do with introspection but it's still unclear to me... to do with introspection but it's still unclear to me. So what are metaclasses What do you use them for Concrete examples..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python well but surprisingly was too succinct. First let me reiterate the main points in Alex ™s post The default implementation.. reiterate the main points in Alex ™s post The default implementation is useless it ™s hard to think of one which wouldn ™t be.. ™s __str__ uses contained objects __repr__ Default implementation is useless This is mostly a surprise because Python ™s..
How do I ensure that re.findall() stops at the right place? http://stackoverflow.com/questions/17765805/how-do-i-ensure-that-re-findall-stops-at-the-right-place title aaa3' ' title' If I ever designed a crawler to get me titles of web sites I might end up with something like this.. to get me titles of web sites I might end up with something like this rather than a title for the web site. My question..
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 way to list all primes below N in python This is the best algorithm I could come.. below N in python This is the best algorithm I could come up with after struggling with a couple of Project Euler's questions... with a couple of Project Euler's questions. def get_primes n numbers set range n 1 1 primes while numbers p numbers.pop..
http://stackoverflow.com/questions/2709821/python-self-explained it explicitly needs to be added to every function as a parameter. To illustrate in Ruby I can do this class myClass def myFunc.. in Ruby I can do this class myClass def myFunc name @name name end end Which I understand quite easily. However.. in Ruby I can do this class myClass def myFunc name @name name end end Which I understand quite easily. However in Python..
error: Unable to find vcvarsall.bat http://stackoverflow.com/questions/2817869/error-unable-to-find-vcvarsall-bat Unable to find vcvarsall.bat If you know any hints tell me please. python windows mingw bazaar msys share improve this.. Studio by setting the correct path in VS90COMNTOOLS environment variable before calling setup.py . If you have Visual Studio..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat ease. The plan is This is geared towards web development. The original and target code will be be sitting on top of.. original and target code will be be sitting on top of frameworks which I will also have to write . These frameworks will.. of frameworks which I will also have to write . These frameworks will embrace an MVC design pattern and follow strict coding..
How to add to the pythonpath in windows 7? http://stackoverflow.com/questions/3701646/how-to-add-to-the-pythonpath-in-windows-7 My Computer Properties Advanced System Settings Environmental Variables . Then I added C My_Projects to my Path variable... coltrane module and generated this error Error No module named coltrane python django windows 7 pythonpath share improve.. share improve this question You know what has worked for me really well on windows. My Computer Properties Advanced System..
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 of integers which I need to work with four integers at a time. Unfortunately I don't have control of the input or I'd have.. of the input or I'd have it passed in as a list of four element tuples. Currently I'm iterating over it this way for i in.. 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 situation...
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows refer to python 3. The accepted answer uses the oficial method. There are also other ways You can use it inside a virtual.. are also other ways You can use it inside a virtual environment which means it is not installed system wide see thegauraw's.. ways You can use it inside a virtual environment which means it is not installed system wide see thegauraw's answer below..
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 an ajax function. I.e. the user clicks an add button and some javascript will add a new form which is part of the formset.. jQuery My template h3 My Services h3 serviceFormset.management_form for form in serviceFormset.forms div class 'table' table.. javascript file function cloneMore selector type var newElement selector .clone true var total '#id_' type ' TOTAL_FORMS'..
http://stackoverflow.com/questions/509211/pythons-slice-notation Do you have a good reference on Python's slice notation To me this notation needs a bit of picking up. It looks extremely.. me this notation needs a bit of picking up. It looks extremely powerful but I haven't quite got my head around it and am.. # start through not past end by step The key point to remember is that the end value represents the first value that is..
Syntax error on print with Python 3 http://stackoverflow.com/questions/826948/syntax-error-on-print-with-python-3 lost as to why print is giving a syntax here. Hoping someone might be able to point me in the right direction. Thanks.. a syntax here. Hoping someone might be able to point me in the right direction. Thanks Python 3.0.1 r301 69561 Feb 13.. share improve this question In Python 3.0 print became a function. You need to include parenthesis now. print Hello..
Showing a gtk.Calendar in a menu? http://stackoverflow.com/questions/11132929/showing-a-gtk-calendar-in-a-menu pygtk.require '2.0' import gtk import time class ContextMenu gtk.Menu def __init__ self gtk.Menu.__init__ self def add_calendar_submenu_item.. '2.0' import gtk import time class ContextMenu gtk.Menu def __init__ self gtk.Menu.__init__ self def add_calendar_submenu_item.. time class ContextMenu gtk.Menu def __init__ self gtk.Menu.__init__ self def add_calendar_submenu_item self text callback..
Python Script Uploading files via FTP http://stackoverflow.com/questions/12613797/python-script-uploading-files-via-ftp Script Uploading files via FTP Me and a buddy of mine we are trying to make it so whenever we..
Python Float rounding errors [duplicate] http://stackoverflow.com/questions/16551128/python-float-rounding-errors some threshold if num1 num2 1e 3 print Equal Enough For Me see abarnert's comments on thresholding ... this is a very simplified..
Why program functionally in Python? http://stackoverflow.com/questions/1892324/why-program-functionally-in-python of a general stance towards Command Query Separation . Me I think that when you use a language you're best off using it..
Formatting floats in Python without superfluous zeros http://stackoverflow.com/questions/2440692/formatting-floats-in-python-without-superfluous-zeros point pretty print share improve this question Me I'd do ' f' x .rstrip '0' .rstrip '.' guarantees fixed point..
Python Framework for small website [closed] http://stackoverflow.com/questions/2665313/python-framework-for-small-website
http://stackoverflow.com/questions/3387695/add-to-python-path-mac-os-x or .bash_profile will do the trick. Do I have to add PATH Me Documents mydir PYTHONPATH export PATH To make it work python.. to modify the PYTHONPATH environment variable PYTHONPATH Me Documents mydir PYTHONPATH export PYTHONPATH Note that PATH..
How to load an RSA key from a PEM file and use it in python-crypto http://stackoverflow.com/questions/595114/how-to-load-an-rsa-key-from-a-pem-file-and-use-it-in-python-crypto
How do I use python for web development without relying on a framework? http://stackoverflow.com/questions/596729/how-do-i-use-python-for-web-development-without-relying-on-a-framework interest in promoting œdo it yourself as a methodology. Me I use a particular standalone templating package a particular..
Generating pdf-latex with python script http://stackoverflow.com/questions/8085520/generating-pdf-latex-with-python-script make_cover.py c Hardest Class Ever t Theoretical Theory n Me That's basically all there is to it. Relevant modules used argparse..
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