python Programming Glossary: for

http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained

Jochen Schulz jrschulz who made a great Python library for metric spaces. This is the link to the complete source http.. yield does you must understand what generators are. And before generators come iterables. Iterables When you create a list.. items one by one and it's called iteration mylist 1 2 3 for i in mylist ... print i 1 2 3 Mylist is an iterable. When you..

How do you split a list into evenly sized chunks in Python?

http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python

up add it to the first list and empty the second list for the next round of data but this is potentially extremely expensive... I was wondering if anyone had a good solution to this for lists of any length e.g. using generators. This should work.. print chunks l 10 1..10 11..20 .. 991..999 I was looking for something useful in itertools but I couldn't find anything obviously..

Python's slice notation

http://stackoverflow.com/questions/509211/pythons-slice-notation

but I haven't quite got my head around it and am looking for a good guide. python slice share improve this question .. to the programmer if there are fewer items than you ask for. For example if you ask for a 2 and a only contains one element.. are fewer items than you ask for. For example if you ask for a 2 and a only contains one element you get an empty list instead..

How to generate all permutations of a list in Python

http://stackoverflow.com/questions/104420/how-to-generate-all-permutations-of-a-list-in-python

Python independently of the type of elements in that list. For example permutations permutations 1 1 permutations 1 2 1 2 2..

The Python yield keyword explained

http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained

is the use of the yield keyword in Python What does it do For example I'm trying to understand this code def node._get_child_candidates..

Best way to strip punctuation from a string in Python

http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python

or string.translate as you can see from the below timings. For this type of problem doing it at as low a level as possible..

Import a module from a relative path

http://stackoverflow.com/questions/279237/import-a-module-from-a-relative-path

How do I import a python module given its relative path For example if dirFoo contains Foo.py and dirBar and dirBar contains..

error: Unable to find vcvarsall.bat

http://stackoverflow.com/questions/2817869/error-unable-to-find-vcvarsall-bat

windows mingw bazaar msys share improve this question For Windows installations While running setup.py for package installations..

Is there any way to kill a Thread in Python?

http://stackoverflow.com/questions/323972/is-there-any-way-to-kill-a-thread-in-python

on regular interval to see if it is time for him to exit. For example import threading import ctypes class StoppableThread..

*args and **kwargs? [duplicate]

http://stackoverflow.com/questions/3394835/args-and-kwargs

pass an arbitrary number of arguments to your function. For example def print_everything args for count thing in enumerate.. and kwargs . The named arguments come first in the list. For example def table_things titlestring kwargs You can also use.. . You can also use the and syntax when calling a function. For example def print_three_things a b c ... print 'a 0 b 1 c 2..

What kinds of patterns could I enforce on the code to make it easier to translate to another programming language?

http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat

is planning to build additional machinery beyond the AST . For more on this topic see Life After Parsing . The remark about..

Ternary conditional operator in Python

http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python

test evaluates to True a is returned else b is returned. For example 'true' if True else 'false' 'true' 'true' if False else..

What does `if __name__ == “__main__”:` do?

http://stackoverflow.com/questions/419163/what-does-if-name-main-do

executing the code it will define a few special variables. For example if the python interpreter is running that module the..

How to install pip on windows?

http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows

tedious for the experienced and tactless to newbies. For our sake Christoph Gohlke prepares Windows installers .msi for.. Install pip http www.lfd.uci.edu ~gohlke pythonlibs #pip For me this installed Pip at C Python27 Scripts pip.exe . Add your..

Python's slice notation

http://stackoverflow.com/questions/509211/pythons-slice-notation

the programmer if there are fewer items than you ask for. For example if you ask for a 2 and a only contains one element you..

Old style and new style classes in Python

http://stackoverflow.com/questions/54867/old-style-and-new-style-classes-in-python

of descriptors which enable computed properties. For compatibility reasons classes are still old style by default..

Convert XML/HTML Entities into Unicode String in Python

http://stackoverflow.com/questions/57708/convert-xml-html-entities-into-unicode-string-in-python

a string with HTML entities and returns a unicode type For example I get back #x01ce which represents an with a tone mark...

Python: Sort a dictionary by value

http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value

which will be a list 䕑robably a list of tuples. For instance import operator x 1 2 3 4 4 3 2 1 0 0 sorted_x sorted..

Calling an external command in Python

http://stackoverflow.com/questions/89228/calling-an-external-command-in-python

older functions with the subprocess module For quick dirty one time scripts os.system is enough though. share..

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

in sublist is faster than the shortcuts posted so far. For evidence as always you can use the timeit module in the standard..

Sublime Text 2 console input

http://stackoverflow.com/questions/10604409/sublime-text-2-console-input

USER INPUT isn't working in Sublime Text 2 for me. EDIT FOR EXAMPLE try text input 'Enter something ' print text except..

IOError when trying to open existing files

http://stackoverflow.com/questions/10802418/ioerror-when-trying-to-open-existing-files

except IOError print PDB file NOT FOUND print 'Z VALUES FOR ALL CHARGED RESIDUES' print zdata #diagnostic import pickle..

Pyparsing: extract variable length, variable content, variable whitespace substring

http://stackoverflow.com/questions/10855951/pyparsing-extract-variable-length-variable-content-variable-whitespace-substr

PELVIC EXCISION ONE OF SEVENTEEN LYMPH NODES POSITIVE FOR METASTASIS 1 17 . C. LYMPH NODES LEFT PELVIC EXCISION .. NODES LEFT PELVIC EXCISION EIGHT LYMPH NODES NEGATIVE FOR METASTASIS 0 8 . 01 02 11 S11 4444 20 111 22 3333 PROSTATE..

python calculator program [closed]

http://stackoverflow.com/questions/13664759/python-calculator-program

true CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' add c elif.. CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' # Calling.. True CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' print add..

How to use PIL to resize and apply rotation EXIF information to the file?

http://stackoverflow.com/questions/1606587/how-to-use-pil-to-resize-and-apply-rotation-exif-information-to-the-file

even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for..

Check if key is pressed using python (a daemon in the background)

http://stackoverflow.com/questions/1859049/check-if-key-is-pressed-using-python-a-daemon-in-the-background

even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for..

Django + MySQL on Mac OS 10.6.2 Snow Leopard

http://stackoverflow.com/questions/1904039/django-mysql-on-mac-os-10-6-2-snow-leopard

place for your system PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER To do so start the server then issue the..

Playing RTSP with python-gstreamer

http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer

even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. #include string.h #include math.h #include.. even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE Leave Credits intact package video2 replace..

Textually diffing JSON

http://stackoverflow.com/questions/4599456/textually-diffing-json

even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for..

Pythonic way to combine FOR loop and IF statement

http://stackoverflow.com/questions/6981717/pythonic-way-to-combine-for-loop-and-if-statement

way to combine FOR loop and IF statement I know how to use both for loops and..

Parallel file matching, Python

http://stackoverflow.com/questions/7623211/parallel-file-matching-python

def run self self.addToQueue self.dir ## HELPER FUNCTION FOR INTERNAL USE ONLY def addToQueue self rootDir for root subFolders.. nextFile nextFile self.queue.get #HELPER FUNCTION FOR INTERNAL UES ONLY def scanFile self file fp open file contents.. having each thread fork to grep as in #HELPER FUNCTION FOR INTERNAL UES ONLY def scanFile self file s subprocess.Popen..

Creating a logging handler to connect to Oracle?

http://stackoverflow.com/questions/935930/creating-a-logging-handler-to-connect-to-oracle

AND FITNESS. IN NO EVENT SHALL # VINAY SAJIP BE LIABLE FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES OR # ANY DAMAGES.. ARISING OUT # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # # This file is part of the standalone..