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python Programming Glossary: callWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python object at 0x8997b4c Creating classes dynamically Since classes are objects you can create them on the fly like.. use the class keyword Python creates this object automatically. But as with most things in Python it gives you a way to do.. are objects and you can create a class on the fly dynamically. This is what Python does when you use the keyword class and..
http://stackoverflow.com/questions/107705/python-output-buffering way to set some global flag in sys sys.stdout programmatically during execution python stdout buffered share improve this.. other stream like wrapper which does a flush after every call. class Unbuffered def __init__ self stream self.stream stream..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained self._median yield self._rightchild And this is the caller result candidates list self while candidates node candidates.pop.. What happens when the method _get_child_candidates is called A list is returned A single element is returned Is it called.. A list is returned A single element is returned Is it called again When subsequent calls do stop The code comes from Jochen..
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 self return self._stop.isSet In this code you should call stop on the thread when you want it to exit and wait for the.. you are wrapping an external library that is busy for long calls and you want to interrupt it. The following code allows with.. number greater than one you're in trouble # and you should call it again with exc NULL to revert the effect ctypes.pythonapi.PyThreadState_SetAsyncExc..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs occur before kwargs . You can also use the and syntax when calling a function. For example def print_three_things a b c .....
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python for mi in list_of_menuitems Note I need that list x call there because x is a Django QuerySet object. But the reduce..
What does `if __name__ == “__main__”:` do? http://stackoverflow.com/questions/419163/what-does-if-name-main-do block creating a function object and creating a variable called myfunction that points to the function object. It will then.. execute when someone just wants to import your module and call your functions themselves. See this page for some extra details...
Using global variables in a function other than the one that created them http://stackoverflow.com/questions/423379/using-global-variables-in-a-function-other-than-the-one-that-created-them
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script share improve this question Python includes a profiler called cProfile. It not only gives the total running time but also.. separately and tells you how many times each function was called making it easy to determine where you should make optimizations... to determine where you should make optimizations. You can call it from within your code or from the interpreter like this import..
Calling an external command in Python http://stackoverflow.com/questions/89228/calling-an-external-command-in-python an external command in Python How can I call an external command in Python python shell command external.. the subprocess module in the stdlib from subprocess import call call ls l The advantage of subprocess vs system is that it is.. module in the stdlib from subprocess import call call ls l The advantage of subprocess vs system is that it is more..
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 x y x.extend y l Error message Traceback most recent call last File line 1 in File line 1 in AttributeError 'NoneType'..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference the_string return new_string # then you could call it like my_string return_a_whole_new_string my_string If you.. 0 stuff_to_change 0 new_string # then you could call it like wrapper my_string use_a_wrapper_to_simulate_pass_by_reference..
Python: Inflate and Deflate implementations http://stackoverflow.com/questions/1089662/python-inflate-and-deflate-implementations to the zlib c library that includes Inflate and Deflate 3. Call something else that can be executed from the command line such..
Listing serial (COM) ports on Windows? http://stackoverflow.com/questions/1205383/listing-serial-com-ports-on-windows improve this question Several options are available Call QueryDosDevice with a NULL lpDeviceName to list all DOS devices... name in turn to figure out whether it's a serial port. Call SetupDiGetClassDevs with a ClassGuid of GUID_DEVINTERFACE_COMPORT...
Proper way to declare custom exceptions in modern Python? http://stackoverflow.com/questions/1319615/proper-way-to-declare-custom-exceptions-in-modern-python Exception def __init__ self message Errors # Call the base class constructor with the parameters it needs Exception.__init__..
SWIG : Unable to access constructor with double pointer http://stackoverflow.com/questions/13392512/swig-unable-to-access-constructor-with-double-pointer dbls n_ can go away since thre_.size is the same thing. Call it with c Item.GradedComplex 1.2 3.4 5.6 SWIG can handle returning..
Render anti-aliased text on transparent surface in pygame http://stackoverflow.com/questions/15488293/render-anti-aliased-text-on-transparent-surface-in-pygame self.rect self.image.get_rect def draw self # Call this do draw always prefers to use cache if self.dirty or self.image..
Call python function from MATLAB http://stackoverflow.com/questions/1707780/call-python-function-from-matlab python function from MATLAB I need to call a python function..
What is the current choice for doing RPC in Python? http://stackoverflow.com/questions/1879971/what-is-the-current-choice-for-doing-rpc-in-python protocols PyRo Python Remote Objects RPyC Remote Python Call Circuits RPC frameworks with a lot of underlying protocols Spyne..
Hitting Maximum Recursion Depth Using Python's Pickle / cPickle http://stackoverflow.com/questions/2134706/hitting-maximum-recursion-depth-using-pythons-pickle-cpickle 2.5 lib python2.5 pickle.py line 286 in save f self obj # Call unbound method with explicit self File System Library Frameworks.. 2.5 lib python2.5 pickle.py line 286 in save f self obj # Call unbound method with explicit self File System Library Frameworks..
http://stackoverflow.com/questions/3045556/how-to-profile-my-code that is only true if they sample the entire call stack. Call graphs don't give you the same information because 1 they don't..
How to write a twisted server that is also a client? http://stackoverflow.com/questions/3275004/how-to-write-a-twisted-server-that-is-also-a-client listen. python twisted share improve this question Call reactor.listenTCP and reactor.connectTCP . You can have as many..
Get hard disk serial number using Python on Linux http://stackoverflow.com/questions/4193514/get-hard-disk-serial-number-using-python-on-linux struct hd_id in the c code assert sizeof_hd_driveid 512 # Call native function buf fcntl.ioctl fd HDIO_GET_IDENTITY sizeof_hd_driveid..
How do you run your own code alongside Tkinter's event loop? http://stackoverflow.com/questions/459083/how-do-you-run-your-own-code-alongside-tkinters-event-loop docs for the after method def after self ms func None args Call function once after given time. MS specifies the time in milliseconds...
Howto get all methods of a python class with given decorator http://stackoverflow.com/questions/5910703/howto-get-all-methods-of-a-python-class-with-given-decorator decorator I already answered this question here Calling functions by array index in Python Method 2 Sourcecode parsing.. to the callable it spits out. def newDecorator func # Call to newDecorator method # Exactly like old decorator but output..
Call a python function from jinja2 http://stackoverflow.com/questions/6036082/call-a-python-function-from-jinja2 a python function from jinja2 I am using jinja2 and I want..
Call a parent class's method from child class in Python? http://stackoverflow.com/questions/805066/call-a-parent-classs-method-from-child-class-in-python a parent class's method from child class in Python When creating..
Call a function with argument list in python http://stackoverflow.com/questions/817087/call-a-function-with-argument-list-in-python a function with argument list in python I'm trying to call..
Asynchronous Requests with Python requests http://stackoverflow.com/questions/9110593/asynchronous-requests-with-python-requests task Add that function as an event hook in your request Call async.map on a list of all the requests actions Example from..
Using Python's Multiprocessing module to execute simultaneous and separate SEAWAT/MODFLOW model runs http://stackoverflow.com/questions/9874042/using-pythons-multiprocessing-module-to-execute-simultaneous-and-separate-seawa external program on `filename` def safe_run args kwargs Call run catch exceptions. try run args kwargs except Exception as..
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