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python Programming Glossary: counterhttp://stackoverflow.com/questions/1396668/python-get-object-by-id
http://stackoverflow.com/questions/19151/build-a-basic-python-iterator constructs to stop iterating. Here's a simple example of a counter class Counter def __init__ self low high self.current low self.high.. using a generator as covered in a previous answer def counter low high current low while current high yield current current.. low while current high yield current current 1 for c in counter 3 8 print c The printed output will be the same. Under the hood..
What is the Python equivalent of static variables inside a function? http://stackoverflow.com/questions/279561/what-is-the-python-equivalent-of-static-variables-inside-a-function Python equivalent of this C C code void foo static int counter 0 counter printf counter is d n counter specifically how does.. equivalent of this C C code void foo static int counter 0 counter printf counter is d n counter specifically how does one implement.. this C C code void foo static int counter 0 counter printf counter is d n counter specifically how does one implement the static..
String comparison in Python: is vs. == [duplicate] http://stackoverflow.com/questions/2988017/string-comparison-in-python-is-vs to be just what I needed. Except the answer it gave was counter to my experience. Specifically the answerer wrote For all built.. etc. if x is y then x y is also True. Not always. NaN is a counterexample. But usually identity implies equality. The converse..
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 it. There are some obvious ways to do this like keeping a counter and two lists and when the second list fills up add it to the..
How can I download all emails with attachments from Gmail? http://stackoverflow.com/questions/348630/how-can-i-download-all-emails-with-attachments-from-gmail Disposition' is None continue filename part.get_filename counter 1 # if there is no filename we create one with a counter to.. counter 1 # if there is no filename we create one with a counter to avoid duplicates if not filename filename 'part 03d s' counter.. to avoid duplicates if not filename filename 'part 03d s' counter 'bin' counter 1 att_path os.path.join detach_dir filename #Check..
Regular expression to detect semi-colon terminated C++ for & while loops http://stackoverflow.com/questions/524548/regular-expression-to-detect-semi-colon-terminated-c-for-while-loops does it without using a regular expression Set a position counter pos so that is points to just before the opening bracket after.. bracket after your for or while . Set an open brackets counter openBr to 0 . Now keep incrementing pos reading the characters..
http://stackoverflow.com/questions/9264763/unboundlocalerror-in-python in Python What am I doing wrong here counter 0 def increment counter 1 increment The above code throws a.. Python What am I doing wrong here counter 0 def increment counter 1 increment The above code throws a UnboundLocalError . python.. that variable is considered local. 1 Thus the line counter 1 implicitly makes counter local to increment . Trying to execute..
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)? http://stackoverflow.com/questions/11011756/is-there-any-pythonic-way-to-combine-two-dicts-adding-values-for-keys-that-appe dictionary share improve this question Use collections.Counter from collections import Counter A Counter 'a' 1 'b' 2 'c' 3.. question Use collections.Counter from collections import Counter A Counter 'a' 1 'b' 2 'c' 3 B Counter 'b' 3 'c' 4 'd' 5 A B.. Use collections.Counter from collections import Counter A Counter 'a' 1 'b' 2 'c' 3 B Counter 'b' 3 'c' 4 'd' 5 A B Counter 'c'..
Counter in Collections module Python http://stackoverflow.com/questions/13311094/counter-in-collections-module-python in Collections module Python I've come across a really weird.. I've come across a really weird problem. I'm trying to use Counter function in collections module. However I keep getting the same.. message AttributeError 'module' object has no attribute 'Counter' I have tried using it before and it worked fine but now for..
Having trouble making a list of lists of a designated size [duplicate] http://stackoverflow.com/questions/17411892/having-trouble-making-a-list-of-lists-of-a-designated-size f2 a line.split grid int a 0 array grid .append a 1 print Counter array 0 .most_common 10 the problem is when I make the counter..
http://stackoverflow.com/questions/19151/build-a-basic-python-iterator stop iterating. Here's a simple example of a counter class Counter def __init__ self low high self.current low self.high high def.. else self.current 1 return self.current 1 for c in Counter 3 8 print c This will print 3 4 5 6 7 8 This is easier to write.. protocol and does something roughly similar to the class Counter. David Mertz's article Iterators and Simple Generators is a..
Python - Is a dictionary slow to find frequency of each character? http://stackoverflow.com/questions/2522152/python-is-a-dictionary-slow-to-find-frequency-of-each-character time w.r.t. defaultdict time seconds time seconds Counter 0.451 3.367 3.6 setdefault 0.348 2.320 2.5 list 0.277 1.822.. english' and 'big.txt' . The script that compares 'Counter' 'setdefault' 'list' 'try except' 'defaultdict' 'numpy' 'cython'.. english 912K usr share dict american english python Counter 0.5 seconds # usr bin env python3.1 import collections fileinput..
What is the Python equivalent of static variables inside a function? http://stackoverflow.com/questions/279561/what-is-the-python-equivalent-of-static-variables-inside-a-function reversed but this should work def foo foo.counter 1 print Counter is d foo.counter foo.counter 0 If you want the counter initialization.. this @static_var counter 0 def foo foo.counter 1 print Counter is d foo.counter It'll still require you to use the foo. prefix..
http://stackoverflow.com/questions/2870466/python-histogram-one-liner the syntax in your example. Python 2.7 and 3.x also have a Counter class which does exactly what you want from collections import.. which does exactly what you want from collections import Counter cnt Counter abracadabra In Python 2.6 or earlier I'd personally.. exactly what you want from collections import Counter cnt Counter abracadabra In Python 2.6 or earlier I'd personally use a defaultdict..
find the most frequent number in a numpy vector http://stackoverflow.com/questions/6252280/find-the-most-frequent-number-in-a-numpy-vector want to work in python without using numpy collections.Counter is a good way of handling this sort of data. from collections.. way of handling this sort of data. from collections import Counter a 1 2 3 1 2 1 1 1 3 2 2 1 b Counter a print b.most_common 1..
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