¡@
python Programming Glossary: isThe Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained Python yield keyword explained What is the use of the yield keyword in Python What does it do For example.. What does it do For example I'm trying to understand this code def node._get_child_candidates self distance min_dist max_dist.. understand this code def node._get_child_candidates self distance min_dist max_dist if self._leftchild and distance max_dist..
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 do you split a list into evenly sized chunks in Python I have a list of arbitrary.. split a list into evenly sized chunks in Python I have a list of arbitrary length and I need to split it up into equal size.. and operate on it. There are some obvious ways to do this like keeping a counter and two lists and when the second list..
http://stackoverflow.com/questions/509211/pythons-slice-notation have a good reference on Python's slice notation To me this notation needs a bit of picking up. It looks extremely powerful.. looking for a good guide. python slice share improve this question It's pretty simple really a start end # items start.. 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..
What is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python When you do class Foo Bar pass Python does the following Is there a __metaclass__ attribute in Foo If yes create in memory.. automatically when it's created. You usually do this for APIs where you want to create classes matching the current context...
http://stackoverflow.com/questions/107705/python-output-buffering output buffering Is output buffering enabled by default in Python's interpreter.. env var sys.stdout os.fdopen sys.stdout.fileno 'w' 0 Is there any other way to set some global flag in sys sys.stdout..
Python List Comprehension Vs. Map http://stackoverflow.com/questions/1247486/python-list-comprehension-vs-map List Comprehension Vs. Map Is there a reason to prefer using map over list comprehension or.. to prefer using map over list comprehension or vice versa Is one generally more effecient or generally considered more pythonic..
Flatten (an irregular) list of lists in Python http://stackoverflow.com/questions/2158395/flatten-an-irregular-list-of-lists-in-python flatten el else result.append el return result flatten L Is this the best model Did I overlook something Any problems python..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained is called A list is returned A single element is returned Is it called again When subsequent calls do stop The code comes..
http://stackoverflow.com/questions/261638/how-do-i-protect-python-code that the code may be stolen or at least the novel ideas . Is there a good way to handle this problem Preferably with an off..
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 there any way to kill a Thread in Python Is it possible to.. there any way to kill a Thread in Python Is it possible to terminate a running thread without setting checking..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs at the same time as a wildcard so I can pass ANY argument Is there a simple example on which to explain how args and kwargs.. tutorial I run through used just the and a variable name. Is args and kwargs just a placeholder or do you use exactly args..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python to be able to execute non blocking reads on its stdout. Is there a way to make .readline non blocking or to check if there..
Ternary conditional operator in Python http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python 'false' Official documentation Conditional expressions Is there an equivalent of C ™s ternary operator share improve..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python the reduce method is fairly unreadable. So my question is Is there a simple way to flatten this list with a list comprehension..
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 duplicates from a list in Python whilst preserving order Is there a built in that removes duplicates from list in Python..
Old style and new style classes in Python http://stackoverflow.com/questions/54867/old-style-and-new-style-classes-in-python between old style and new style classes in Python Is there ever a reason to use old style classes these days python..
Static class variables in Python http://stackoverflow.com/questions/68645/static-class-variables-in-python class variables in Python Is it possible to have static class variables or methods in python..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference print self.variable def Change self var var 'Changed' Is there something I can do to pass the variable by actual reference.. doesn't answer the question that @David originally asked Is there something I can do to pass the variable by actual reference..
http://stackoverflow.com/questions/1020892/urllib2-read-to-unicode to the original question to show how once a Unicode string IS correctly input I'm doing it by codepoints goofy but not tricky..
How to query GAE datastore to render a template (newbie level) http://stackoverflow.com/questions/11311461/how-to-query-gae-datastore-to-render-a-template-newbie-level contractingParty db.GqlQuery SELECT FROM Person WHERE SSN IS x Is this the right path Thanks in advance for any help My original.. # distributed under the License is distributed on an AS IS BASIS # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either.. under the License is distributed on an AS IS BASIS # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express..
Reason for unintuitive UnboundLocalError behaviour http://stackoverflow.com/questions/1188944/reason-for-unintuitive-unboundlocalerror-behaviour def aaaargh alist for x in alist print a a 23 what is THIS code supposed to do in your desired variant on Python Have the.. the first leg of the loop vs the second one assuming there IS a second one Have it work differently even for a one item alist..
Python string 'join' is faster(?) than '+', but what's wrong here? http://stackoverflow.com/questions/1349311/python-string-join-is-faster-than-but-whats-wrong-here for particular stupid cases than the proper way which IS still ''.join just a perfect way to trap beginners into pursuing.. performance loss of 200 or more since non linear behavior IS still lurking there just outside of the corners that Hettinger.. totally obsessed abound performance obviously knows that HOISTING taking OUT of the inner loop a repetitive computation that..
Effcient way to find longest duplicate string for Python (From Programming Pearls) http://stackoverflow.com/questions/13560037/effcient-way-to-find-longest-duplicate-string-for-python-from-programming-pearl example C code is abusing the return value of strcmp it IS used in qsort after all . I couldn't find any documentation..
Reversing a sentence's word order by chunks http://stackoverflow.com/questions/15728613/reversing-a-sentences-word-order-by-chunks œkey For example if the message was 'THE PRICE OF FREEDOM IS ETERNAL VIGILENCE' and the block size is four then each block.. reversed producing 'FREEDOM OF PRICE THE VIGILENCE ETERNAL IS' ignoring the other two steps above . Notice that the last block.. Got 'SREHCTAWXEHTXSEHCTAWXOHW' Trying encrypt 'PARANOIA IS OUR PROFESSION' 3 # Test 5 Expecting 'RUOXSIXAIONARAPXNOISSEFORP'..
Class-level read-only properties in Python http://stackoverflow.com/questions/1735434/class-level-read-only-properties-in-python
http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage it with 15 binary 1111 so 201 1100 1001 AND 15 0000 1111 IS 9 0000 1001 The zero bits in 15 in that case effectively act..
What is the difference between NaN and None? http://stackoverflow.com/questions/17534106/what-is-the-difference-between-nan-and-none read is not a number. Is my understanding correct what IS the difference between None and nan Why is nan assigned instead..
Is it possible to keep the column order using the Python csv DictReader http://stackoverflow.com/questions/1885324/is-it-possible-to-keep-the-column-order-using-the-python-csv-dictreader first row does have a .fieldnames list of strings which IS in order. So for rowdict in myReader print ' s s' f rowdict..
Schedule a repeating event in Python 3 http://stackoverflow.com/questions/2398661/schedule-a-repeating-event-in-python-3 time.time time.sleep # Schedule the event. THIS IS UGLY for i in range 60 scheduler.enter 3600 i 1 query_rate_limit.. time.time time.sleep # Schedule the event. THIS IS UGLY for i in range 60 scheduler.enter 3600 i 1 query_rate_limit..
globals and locals in python exec() http://stackoverflow.com/questions/2904274/globals-and-locals-in-python-exec it is achieved is that when in the module level globals IS locals try that one out in the interpreter so when you do any..
|