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python Programming Glossary: usesWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python that the same function can have two completely different uses according to the parameters you pass to it. It's an issue due.. type is in fact a metaclass. type is the metaclass Python uses to create all classes behind the scenes. Now you wonder why.. if you wish. type is the built in metaclass Python uses but of course you can create your own metaclass. The __metaclass__..
Remove items from a list while iterating in Python http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python answer for details . Also I liked Cides' suggestion that uses itertools . However there is no non iterator filterfalse so..
What is the simplest way to SSH using Python? http://stackoverflow.com/questions/1233655/what-is-the-simplest-way-to-ssh-using-python tried it but this pysftp module might help which in turn uses paramiko. I believe everything is client side. The interesting..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python __str__ goal is to be readable Container ™s __str__ uses contained objects __repr__ Default implementation is useless.. readability it is an improvement. Container ™s __str__ uses contained objects __repr__ This seems surprising doesn ™t it..
Understanding kwargs in Python http://stackoverflow.com/questions/1769403/understanding-kwargs-in-python kwargs in Python What are the uses for kwargs in Python I know you can do an objects.filter on..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained a bit tricky Then your code will be run each time the for uses the generator. Now the hard part The first time the for calls..
Python: Is there a way to determine the encoding of text file? http://stackoverflow.com/questions/436220/python-is-there-a-way-to-determine-the-encoding-of-text-file about a text's language. There is the chardet library that uses that study to try to detect encoding. chardet is a port of the..
python limiting floats to two decimal points http://stackoverflow.com/questions/455612/python-limiting-floats-to-two-decimal-points bits 8 digits of precision. The floating point in python uses double precision to store the values. for example 125650429603636838..
http://stackoverflow.com/questions/472000/python-slots This saves the overhead of one dict for every object that uses slots. While this is sometimes a useful optimization it would..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows the answers also refer to python 3. The accepted answer uses the oficial method. There are also other ways You can use it..
What are some good Python ORM solutions? [closed] http://stackoverflow.com/questions/53428/what-are-some-good-python-orm-solutions question SQLAlchemy is more full featured and powerful uses the DataMapper pattern . Django ORM has a cleaner syntax and..
Rolling or sliding window iterator in Python http://stackoverflow.com/questions/6822725/rolling-or-sliding-window-iterator-in-python result The one from the docs is a little more succinct and uses itertools to greater effect I imagine. share improve this answer..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields based on Entity Attribute Value data model essentially it uses several tables to store dynamic attributes of objects. Great.. of objects. Great parts about this solution is that it uses several pure and simple Django models to represent dynamic fields..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python by J.F. Sebastian in the comments below the GNU wc utility uses plain C read within the safe read.c wrapper to read chunks of.. By default cin is synchronized with stdio which causes it to avoid any input buffering. If you add this to the top..
Why does django-lint tell me the `auto_now_add` is deprecated? http://stackoverflow.com/questions/10195020/why-does-django-lint-tell-me-the-auto-now-add-is-deprecated with django lint and it yields W 211 16 MyModel timestamp Uses superceded auto_now or auto_now_add The commit message auto_now..
Books for OpenCV and Python? [closed] http://stackoverflow.com/questions/10677317/books-for-opencv-and-python contain some examples for color tracking contours etc. Uses old cv interface 3 https github.com jessicaaustin robotics projects..
Listing serial (COM) ports on Windows? http://stackoverflow.com/questions/1205383/listing-serial-com-ports-on-windows as winreg import itertools def enumerate_serial_ports Uses the Win32 registry to return a iterator of serial COM ports..
How to introspect django model fields? http://stackoverflow.com/questions/2384436/how-to-introspect-django-model-fields the field doesn't have an instance associated with it . Uses a cache internally so after the first access this is very fast...
Filter dict to contain only certain keys? http://stackoverflow.com/questions/3420122/filter-dict-to-contain-only-certain-keys your_key old_dict your_key for your_key in your_keys Uses dictionary comprehension. If you use a version which lacks them..
Are there any static analysis tools for Python? http://stackoverflow.com/questions/35470/are-there-any-static-analysis-tools-for-python is unreliable # F0401 Unable to import module # W0402 Uses of a deprecated module # Already an error when wildcard imports..
How to read lines from a file in python starting from the end http://stackoverflow.com/questions/3568833/how-to-read-lines-from-a-file-in-python-starting-from-the-end implement probably built into Python for all I know Cons Uses a lot of memory can take a while to read large files General.. avoid reading through gigabytes of information first. Pros Uses little memory does not require you to read the entire file first..
Uses of self referencing lists http://stackoverflow.com/questions/3728667/uses-of-self-referencing-lists of self referencing lists I know it is possible to create a..
http://stackoverflow.com/questions/493973/uses-for-dynamic-languages for Dynamic Languages My primary language right now is D and..
Urllib and validation of server certificate http://stackoverflow.com/questions/6648952/urllib-and-validation-of-server-certificate port 443 '''Check that an SSL certificate is valid Uses the Mozilla CA file cached by the cURL project ''' cafile_local..
Creating a singleton in python http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python Pros It's a true class Auto magically covers inheritance Uses __metaclass__ for its proper purpose And made me aware of it..
Read Unicode characters from command-line arguments in Python 2.x on Windows http://stackoverflow.com/questions/846850/read-unicode-characters-from-command-line-arguments-in-python-2-x-on-windows list of Unicode strings. import sys def win32_unicode_argv Uses shell32.GetCommandLineArgvW to get sys.argv as a list of Unicode..
matplotlib.animation error - The system cannot find the file specified http://stackoverflow.com/questions/9213554/matplotlib-animation-error-the-system-cannot-find-the-file-specified self fname fps codec frame_prefix cmd_gen None # Uses subprocess to call the program for assembling frames into a..
python get headers only using urllib2 http://stackoverflow.com/questions/9890815/python-get-headers-only-using-urllib2 urllib2.urlopen HeadRequest url .geturl return info Uses code from answer this and this . However this is doing redirection..
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