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python Programming Glossary: parentWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python type works this way type name of the class tuple of the parent class for inheritance can be empty dictionary containing attributes.. __metaclass__ it will look for a __metaclass__ in Bar the parent class and try to do the same. If Python can't find __metaclass__.. to do the same. If Python can't find __metaclass__ in any parent it will look for a __metaclass__ at the MODULE level and try..
Common pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python and tabs Just don't. You would cry. Use object as first parent This is tricky but it will bite you as your program grows. There..
Local variables in Python nested functions http://stackoverflow.com/questions/12423614/local-variables-in-python-nested-functions question The nested function looks up variables from the parent scope when executed not when defined. The function body is compiled..
How do I filter ForeignKey choices in a Django ModelForm? http://stackoverflow.com/questions/291945/how-do-i-filter-foreignkey-choices-in-a-django-modelform Client should have a base Rate that is chosen from it's parent Company's Rates not another Company's Rates . When creating..
How to terminate a python subprocess launched with shell=True http://stackoverflow.com/questions/4789837/how-to-terminate-a-python-subprocess-launched-with-shell-true the groups. For that you should attach a session id to the parent process of the spawned child processes which is a shell in your..
Old style and new style classes in Python http://stackoverflow.com/questions/54867/old-style-and-new-style-classes-in-python by specifying another new style class i.e. a type as a parent class or the top level type object if no other parent is needed... as a parent class or the top level type object if no other parent is needed. The behaviour of new style classes differs from that..
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 a simple.. in Python I'd like to be able to invoke methods of the parent class from a derived class. In Perl and Java there is a keyword.. return uc str In python it appears that I have to name the parent class explicitly from the child. In the example above I'd have..
http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam the name of the child class In Django when you have a parent class and multiple child classes that inherit from it you would.. inherit from it you would normally access a child through parentclass.childclass1_set or parentclass.childclass2_set but what.. access a child through parentclass.childclass1_set or parentclass.childclass2_set but what if I don't know the name of the..
how do I properly inherit from a superclass that has a __new__ method? http://stackoverflow.com/questions/10788976/how-do-i-properly-inherit-from-a-superclass-that-has-a-new-method that has a __new__ method Let's assume we have a class 'Parent' that for some reason has __new__ defined and a class 'Child'.. inherit from a 3rd party class that I cannot modify class Parent def __new__ cls arg # ... something important is done here with.. important is done here with arg My attempt was class Child Parent def __init__ self myArg argForSuperclass Parent.__new__ argForSuperclass..
Python serializable objects json http://stackoverflow.com/questions/1458450/python-serializable-objects-json parent if not isinstance parent gwebpage raise Exception Parent must be an instance of gwebpage self.parent parent # This must..
Passing argument from Parent function to nested function Python http://stackoverflow.com/questions/14678434/passing-argument-from-parent-function-to-nested-function-python argument from Parent function to nested function Python here is my code def f x..
http://stackoverflow.com/questions/15678153/homebrew-python-on-mac-os-x-10-8-fatal-python-error-pythreadstate-get-no-cu Python Version 2.7.3 2.7.3 Code Type X86 64 Native Parent Process bash 60454 User ID 501 Date Time 2013 03 28 10 21 08.535..
http://stackoverflow.com/questions/16981921/python-3-relative-imports import myfunction but sometimes I get a SystemError Parent module '' not loaded cannot perform relative import Sometimes.. import myfunction but sometimes I also get a SystemError Parent module '' not loaded cannot perform relative import I really..
Python crashing when running two commands (Segmentation Fault: 11) http://stackoverflow.com/questions/18158381/python-crashing-when-running-two-commands-segmentation-fault-11 Python Version 2.7.5 2.7.5 Code Type X86 64 Native Parent Process bash 9217 Responsible Terminal 3148 User ID 501 Date..
How can I send python multiprocessing Process output to a Tkinter gui http://stackoverflow.com/questions/4227808/how-can-i-send-python-multiprocessing-process-output-to-a-tkinter-gui row 0 column 1 pady 10 padx 10 sticky SE b3 Button a text Parent command fp b3.grid row 0 column 2 pady 10 padx 10 sticky SE..
Python multiprocessing: sharing a large read-only object between processes? http://stackoverflow.com/questions/659865/python-multiprocessing-sharing-a-large-read-only-object-between-processes In this case you have a parent with multiple children. Parent opens source data. Parent forks a number of children. Parent.. a parent with multiple children. Parent opens source data. Parent forks a number of children. Parent reads source farms parts.. opens source data. Parent forks a number of children. Parent reads source farms parts of the source out to each concurrently..
http://stackoverflow.com/questions/8618157/how-can-i-add-a-delay-to-every-method-in-a-python-sub-class-when-i-dont-want-to when instantiating the sub class. For example class Parent .... def method1 self .... def method2 self .... class Child.. def method1 self .... def method2 self .... class Child Parent def __init__ self delay self.delay delay .... child Child 1.. to child.method1 would result in a 1 second delay before Parent.method1 is called. python dynamic methods share improve this..
Problem with a Python program using os.pipe and os.fork() http://stackoverflow.com/questions/871447/problem-with-a-python-program-using-os-pipe-and-os-fork w os.fdopen r 'r' 0 os.fdopen w 'w' 0 pid os.fork if pid # Parent w.close while 1 data r.readline if not data break print parent..
http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam to do this is to add a ForeignKey to ContentType on the Parent model which stores the content type of the proper leaf class...
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