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python Programming Glossary: conditionhttp://stackoverflow.com/questions/1035340/reading-binary-file-in-python in byte mode but byte objects thus we need to alter the condition with open myfile rb as f byte f.read 1 while byte b # Do stuff.. any changes. It would also save you from changing the condition if you go from byte mode to text or the reverse. with open myfile..
Keyboard Interrupts with python's multiprocessing Pool http://stackoverflow.com/questions/1408356/keyboard-interrupts-with-pythons-multiprocessing-pool this question This is a Python bug. When waiting for a condition in threading.Condition.wait KeyboardInterrupt is never sent... KeyboardInterrupt should almost certainly interrupt a condition wait. Note that this doesn't happen if a timeout is specified..
Create directory if it doesn't exist for file write http://stackoverflow.com/questions/273192/create-directory-if-it-doesnt-exist-for-file-write As noted in comments and elsewhere there's a race condition if the directory is created between the os.path.exists and the..
How to stream an HttpResponse with Django http://stackoverflow.com/questions/2922874/how-to-stream-an-httpresponse-with-django question You can disable the ETAG middleware using the condition decorator . That will get your response to stream back over.. Example follows from django.views.decorators.http import condition @condition etag_func None def stream_response request resp HttpResponse.. from django.views.decorators.http import condition @condition etag_func None def stream_response request resp HttpResponse..
String comparison in Python: is vs. == [duplicate] http://stackoverflow.com/questions/2988017/string-comparison-in-python-is-vs and traced it to an infinite loop where the loop condition was while line is not '' . Running through it in the debugger..
Really simple way to deal with XML in Python? http://stackoverflow.com/questions/3106480/really-simple-way-to-deal-with-xml-in-python 54 0000 unit_system data US forecast_information current_conditions condition data Sunny temp_f data 68 temp_c data 20 humidity.. data US forecast_information current_conditions condition data Sunny temp_f data 68 temp_c data 20 humidity data Humidity.. Humidity 61 icon data ig images weather sunny.gif wind_condition data Wind NW at 19 mph current_conditions ... forecast_conditions..
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 The thread itself has to check regularly for the stopped condition. def __init__ self super StoppableThread self .__init__ self._stop..
In a django form, How to make a field readonly (or disabled) so that it cannot be edited? http://stackoverflow.com/questions/324477/in-a-django-form-how-to-make-a-field-readonly-or-disabled-so-that-it-cannot-b 'sku' Or replace if instance and instance.pk with another condition indicating you're editing. You could also set the attribute..
http://stackoverflow.com/questions/364621/python-get-position-in-list to print out the index of the item if it meets a certain condition. How would I do this Example testlist 1 2 3 5 3 1 2 1 6 for..
How can I build a recursive function in python? [closed] http://stackoverflow.com/questions/479343/how-can-i-build-a-recursive-function-in-python key elements of a recursive algorithm are The termination condition n 0 The reduction step where the function calls itself with..
Why does Python assignment not return a value? http://stackoverflow.com/questions/4869770/why-does-python-assignment-not-return-a-value in languages like Python where any value is allowable in a condition not just values of some boolean type is error prone. Presumably..
Why is it “Easier to ask forgiveness than permission” in python, but not in Java? [closed] http://stackoverflow.com/questions/6092992/why-is-it-easier-to-ask-forgiveness-than-permission-in-python-but-not-in-java are as their name impllies to be used only for exceptional conditions they should never be used for ordinary control flow. The python.. style calls for the use of exceptions whenever an error condition might arise. Rather than testing for access to a file or resource.. your code can still throw IOException anyway due to race conditions e.g. someone changes the file permissions between your application's..
permutations with unique values http://stackoverflow.com/questions/6284396/permutations-with-unique-values and has two functions. One function is stopping condition of our recursive algorithm and other is for result list that.. we had to push result in some queue at point of stopping condition. But this way once stopping condition is meet result is propagated.. at point of stopping condition. But this way once stopping condition is meet result is propagated trough all stack up to the caller...
How do I check if a file exists using Python? http://stackoverflow.com/questions/82831/how-do-i-check-if-a-file-exists-using-python will have created or deleted the file. This is a race condition that can often lead to security vulnerabilities. An attacker..
Python: split a list based on a condition? http://stackoverflow.com/questions/949098/python-split-a-list-based-on-a-condition split a list based on a condition What's the best way both aesthetically and from a performance.. to split a list of items into multiple lists based on a conditional The equivalent of good x for x in mylist if x in goodvals..
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