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python Programming Glossary: letsWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python Remember the function type The good old function that lets you know what type an object is print type 1 type 'int' print.. MyClass MetaClass MyObject MyClass You've seen that type lets you do something like this MyClass type 'MyClass' It's because..
http://stackoverflow.com/questions/10604409/sublime-text-2-console-input awesome. To install it you need package control this lets you easily install plugins. To get it go here and follow the..
http://stackoverflow.com/questions/1396668/python-get-object-by-id of the weakref module Edited The Python weakref module lets you keep references dictionary references and proxies to objects..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions np.arange 500 3 dtype np.double .reshape 500 500 500 First lets look at the np.sum function np.all np.sum arr_3D np.einsum 'ijk..
http://stackoverflow.com/questions/261638/how-do-i-protect-python-code or are you just being paranoid Choose the language that lets you develop the best product quickest and be realistic about..
http://stackoverflow.com/questions/2690723/facebook-graph-api-and-django the info 'category' u'Just for fun' 'description' Graffiti lets you draw on your friends' profiles. 'id' '2439131959' 'name'..
How to convert a Date string to a DateTime object? http://stackoverflow.com/questions/2721782/how-to-convert-a-date-string-to-a-datetime-object a method that will convert that string to something that lets me compare it to datetime 2009 04 01 in a meaningful way. Surely..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python pt1 0 2.0 I am not aware of any form of named list that lets you add new fields however. You may just want to use a dictionary..
What is the python “with” statement designed for? [closed] http://stackoverflow.com/questions/3012488/what-is-the-python-with-statement-designed-for the open statement is a context manager in itself which lets you open a file keep it open as long as the execution is in..
Can I install Python windows packages into virtualenvs? http://stackoverflow.com/questions/3271590/can-i-install-python-windows-packages-into-virtualenvs windows packages into virtualenvs Virtualenv is great it lets me keep a number of distinct Python installations so that different..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat error prone. I'll make use of Python's parser module which lets me fiddle with the Abstract Syntax Tree. Apparently the closest..
Which game scripting language is better to use: Lua or Python? [closed] http://stackoverflow.com/questions/356160/which-game-scripting-language-is-better-to-use-lua-or-python syntax. Python forces objects down your throat while Lua lets you take objects or leave them . Not everybody loves or needs..
Regular expression to extract URL from an HTML link http://stackoverflow.com/questions/499345/regular-expression-to-extract-url-from-an-html-link is a list of characters that are an end to the URL. It lets us avoid trying to write a regexp that reliably matches a full..
Understanding Python super() and init methods http://stackoverflow.com/questions/576169/understanding-python-super-and-init-methods inheritance super share improve this question Super lets you avoid referring to the base class explicitly which can be..
Python @property versus getters and setters http://stackoverflow.com/questions/6618002/python-property-versus-getters-and-setters self ... @my_attr.setter def my_attr self value ... Python lets us to do it either way. If you would design a Python program..
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell http://stackoverflow.com/questions/6964392/speed-comparison-with-project-euler-c-vs-python-vs-erlang-vs-haskell nextTriangle 1 1 EDIT So now that we've explored that lets address the questions Question 1 Do erlang python and haskell..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields dictionary. This approach is good in a sense that it lets you have the best of both worlds dynamic fields and relational..
http://stackoverflow.com/questions/855759/python-try-else always be run and not until after the finally . The else lets you make sure the second operation's only run if there's no..
Exploring and decompiling python bytecode http://stackoverflow.com/questions/1149513/exploring-and-decompiling-python-bytecode and decompiling python bytecode Lets say I have def test a print a Now I want to explore see how..
Python @classmethod and @staticmethod for beginner? http://stackoverflow.com/questions/12179271/python-classmethod-and-staticmethod-for-beginner lacks that feature so here's when classmethod applies. Lets create another constructor . @classmethod def from_string cls..
I don't understand Python's main block. What is that thing? [duplicate] http://stackoverflow.com/questions/13323827/i-dont-understand-pythons-main-block-what-is-that-thing Whats the purpose for this anyway Where would my code go Lets say a a function that prints hello world. Where would that go..
How do I run a Python program? http://stackoverflow.com/questions/1522564/how-do-i-run-a-python-program code file somewhere using Save or Save as in your editor. Lets call it 'first.py' in some folder like pyscripts that you make..
Scrapping ajax pages using python http://stackoverflow.com/questions/16390257/scrapping-ajax-pages-using-python I want to scrap the content of each page how to do it Lets say that i want to scrap only the numbers is there anything..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions is numpy's einsum faster than numpy's built in functions Lets start with three arrays of dtype np.double . Timings are performed..
http://stackoverflow.com/questions/1971240/python-seek-on-remote-file on a remote HTTP file so I can download only that part Lets say the bytes on a remote file were 1234567890 I wanna seek..
Why does Python print unicode characters when the default encoding is ASCII? http://stackoverflow.com/questions/2596714/why-does-python-print-unicode-characters-when-the-default-encoding-is-ascii character u' xe9' in position 0 ordinal not in range 128 Lets exit Python and discard the bash shell. We'll now observe what..
What do I do when I need a self referential dictionary? http://stackoverflow.com/questions/3738381/what-do-i-do-when-i-need-a-self-referential-dictionary doing with this so here are more details for my use cases. Lets say I want to keep dictionary objects to hold file system paths...
convert a json string to python object http://stackoverflow.com/questions/3847399/convert-a-json-string-to-python-object 0 refresh_url since_id 26202877001 q twitter . . . Lets say that I somehow store the result in some variable say obj..
Deleting a specific line in a file (python) http://stackoverflow.com/questions/4710067/deleting-a-specific-line-in-a-file-python a specific line in a file python Lets say I have a text file full of nicknames how can I delete a..
Python - How to check if input is a number (given that input always returns strings) http://stackoverflow.com/questions/5424716/python-how-to-check-if-input-is-a-number-given-that-input-always-returns-stri input is a number given that input always returns strings Lets say you want to know if a user input is a number userInput input..
Why doesn't memory get released to system after large queries (or series of queries) in django? http://stackoverflow.com/questions/5494178/why-doesnt-memory-get-released-to-system-after-large-queries-or-series-of-quer is not growing and growing until it uses up all of memory. Lets start off with the fact that I've loaded the User table from..
django import error - No module named core.management http://stackoverflow.com/questions/6049933/django-import-error-no-module-named-core-management usr lib python2.5 site packages django Still no luck. Lets check what sys.path has to say import sys print sys.path ''..
Read large text files in Python, line by line without loading it in to memory http://stackoverflow.com/questions/6475328/read-large-text-files-in-python-line-by-line-without-loading-it-in-to-memory it in to memory I need to read a large file line by line. Lets say that file has more than 5GB and I need to read each line..
Explaining the python 'self' variable to a beginner http://stackoverflow.com/questions/6990099/explaining-the-python-self-variable-to-a-beginner you first. classes are objects is very far from the truth. Lets look at this block of code class Bank # let's create a bank..
Python: What is the Formal Difference Between Print and Return? http://stackoverflow.com/questions/7664779/python-what-is-the-formal-difference-between-print-and-return What is the Formal Difference Between Print and Return Lets say i define a simple function which will display an integer..
How to approach number guessing game(with a twist) algorithm? http://stackoverflow.com/questions/7694978/how-to-approach-number-guessing-gamewith-a-twist-algorithm On the 1st day build a set of all feasible solutions. Lets denote the solutions set as A1 a1 1 a1 2 ... a1 n . On the second..
Django: Redirect to previous page after login http://stackoverflow.com/questions/806835/django-redirect-to-previous-page-after-login did not seem to be clear so as requested here is my code Lets say we are on a page foo.html and we are not logged in. Now..
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