python Programming Glossary: alsoWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python Well type has a completely different ability it can also create classes on the fly. type can take the description of..
http://stackoverflow.com/questions/107705/python-output-buffering the environment variable PYTHONUNBUFFERED. You could also replace sys.stdout with some other stream like wrapper which..
Which Python memory profiler is recommended? [closed] http://stackoverflow.com/questions/110259/which-python-memory-profiler-is-recommended 42 tuple 2 530 0 739856 9 4189288 50 dict no owner You can also find out from where objects are referenced and get statistics..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python you 胩e printing a list just print .join l you can probably also figure out what to do about dictionaries. Summary Implement..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs For example def table_things titlestring kwargs You can also use both in the same function definition but args must occur.. definition but args must occur before kwargs . You can also use the and syntax when calling a function. For example def..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat code will be be sitting on top of frameworks which I will also have to write . These frameworks will embrace an MVC design.. This should make translation somewhat easier. I am also looking at IOC and dependency injection as they might make the.. prevent such assumptions from creeping in . Lots of folks also make the mistake of assuming that if they can parse and perhaps..
How can I represent an 'Enum' in Python? http://stackoverflow.com/questions/36932/how-can-i-represent-an-enum-in-python Numbers.ONE 1 Numbers.TWO 2 Numbers.THREE 'three' You can also easily support automatic enumeration with something like this..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python to this question. Here is a summary of what I learned. I'm also making this a community wiki in case others want to add to or..
What does `if __name__ == “__main__”:` do? http://stackoverflow.com/questions/419163/what-does-if-name-main-do where it can be executed directly. Alternatively it can also be imported and used in another module. By doing the main check..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code Mostly performance wise any other suggestions are welcome also . Thanks. python performance share improve this question..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows was asked originally for Python 2.x but the answers also refer to python 3. The accepted answer uses the oficial method... 3. The accepted answer uses the oficial method. There are also other ways You can use it inside a virtual environment which..
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 remove duplicates but that destroys the original order. I also know that I can roll my own like this def uniq input output..
http://stackoverflow.com/questions/509211/pythons-slice-notation through end 1 a # a copy of the whole array There is also the step value which can be used with any of the above a start..
Old style and new style classes in Python http://stackoverflow.com/questions/54867/old-style-and-new-style-classes-in-python provide a unified object model with a full meta model . It also has a number of immediate benefits like the ability to subclass..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script cProfile. It not only gives the total running time but also times each function separately and tells you how many times..
Static class variables in Python http://stackoverflow.com/questions/68645/static-class-variables-in-python Johnson has already answered regarding static methods also documented under Built in Functions in the Python Library Reference..
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
Remove items from a list while iterating in Python http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python do it this way see Alex Martelli's answer for details . Also I liked Cides' suggestion that uses itertools . However there..
The meaning of a single- and a double-underscore before an object name in Python http://stackoverflow.com/questions/1301346/the-meaning-of-a-single-and-a-double-underscore-before-an-object-name-in-python leading underscores before an object's name in Python Also explain the difference between a single and a double leading.. between a single and a double leading underscore. Also does that meaning stay the same whether the object in question..
Get last n lines of a file with Python, similar to tail http://stackoverflow.com/questions/136168/get-last-n-lines-of-a-file-with-python-similar-to-tail size 2048 and you'll tail 20 lines almost immediately. Also I don't burn a lot of brain calories trying to finesse alignment..
http://stackoverflow.com/questions/145270/calling-c-c-from-python like ctypes a lot swig always tended to give me problems . Also ctypes has the advantage that you don't need to satisfy any..
http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage book I understand the left shift but not the other two. Also what are bitwise operators actually used for I'd appreciate..
What is memoization and how can I use it in Python? http://stackoverflow.com/questions/1988804/what-is-memoization-and-how-can-i-use-it-in-python I've got no idea what memoization is and how to use it. Also may I have a simplified example python memoization share..
Short Description of Python Scoping Rules http://stackoverflow.com/questions/291978/short-description-of-python-scoping-rules In the for loop index variable Inside the for loop Also there is the context during execution when the function spam..
String comparison in Python: is vs. == [duplicate] http://stackoverflow.com/questions/2988017/string-comparison-in-python-is-vs Is his answer just wrong or is there something else afoot Also is it generally considered better to just use ' ' by default.. is not true Two distinct objects can have the same value. Also is it generally considered better to just use ' ' by default..
http://stackoverflow.com/questions/316866/ping-a-site-in-python pure Python ping by Matthew Dixon Cowles and Jens Diemer . Also remember that Python requires root to spawn ICMP i.e. ping sockets..
Extracting text from HTML file using Python http://stackoverflow.com/questions/328356/extracting-text-from-html-file-using-python one it picked up unwanted text such as JavaScript source. Also it did not interpret HTML entities. For example I would expect..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs example on which to explain how args and kwargs are used Also the tutorial I run through used just the and a variable name...
What does `if __name__ == “__main__”:` do? http://stackoverflow.com/questions/419163/what-does-if-name-main-do lock thread.start_new_thread myfunction Thread # 2 2 lock Also what does args mean in this example python idioms python import..
Python string formatting: % vs. .format http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format which is just ugly. .format doesn't have those issues. Also in the second example you gave the .format example is much cleaner..
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 of setdefault but it doesn't really make for clean syntax. Also each sub dictionary you create still needs to have setdefault..
What are the differences between json and simplejson Python modules? http://stackoverflow.com/questions/712791/what-are-the-differences-between-json-and-simplejson-python-modules instead of json module from the Python Standard Library. Also there are many different simplejson modules. What are the advantages.. of working on more python versions 2.4 rather than 2.6 . Also simplejson is updated more frequently than Python is so if you..
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 all I actually need to store the read lines in memory . Also note that a small tradeoff with using a char buffer and fgets.. 428 cin no sync 12 500 000 fgets 14 285 714 wc 54 644 808 Also see my follow up question about splitting lines in C vs Python.....
Simple Digit Recognition OCR in OpenCV-Python http://stackoverflow.com/questions/9413216/simple-digit-recognition-ocr-in-opencv-python it. I don't understand what are the samples responses etc. Also it loads a txt file at first which i didn't understand first...
|