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python Programming Glossary: referencingAccessing class variables from a list comprehension in the class definition http://stackoverflow.com/questions/13905741/accessing-class-variables-from-a-list-comprehension-in-the-class-definition # Refers to `x` in foo 'x' foo .y 2 The actual referencing looks the value up from the current frame data structures which..
Django Admin: Ordering of ForeignKey and ManyToManyField relations referencing User http://stackoverflow.com/questions/1474135/django-admin-ordering-of-foreignkey-and-manytomanyfield-relations-referencing-u Admin Ordering of ForeignKey and ManyToManyField relations referencing User I have an application that makes use of Django's UserProfile..
When is “i += x” different from “i = i + x” in Python? http://stackoverflow.com/questions/15376509/when-is-i-x-different-from-i-i-x-in-python changes b and a sees that change too After all it's referencing the same list . In the second case however when I do b b 1 2.. however when I do b b 1 2 3 this takes the list that b is referencing and concatenates it with a new list 1 2 3 . It then stores the..
All instances of a class have the same dict as an attribute in Python 3.2 http://stackoverflow.com/questions/15489567/all-instances-of-a-class-have-the-same-dict-as-an-attribute-in-python-3-2 . As far as I can tell each Sector.stardict is actually referencing the same dict object. I have no idea why this is happening...
Making a multi-table inheritance design generic in Django http://stackoverflow.com/questions/1712683/making-a-multi-table-inheritance-design-generic-in-django the Item the Django docs say I can get the subclass by referencing the attribute with the name of the model e.g myitem.car or myitem.computer.. . I don't know which type of object my item is referencing so how can I get the child Is there a built in way to do this..
http://stackoverflow.com/questions/2923579/python-class-attribute The class attribute becomes accessible only through referencing base.derived_val or direct access to the class dict base.__dict__..
Does python optimize modules when they are imported multiple times? http://stackoverflow.com/questions/296036/does-python-optimize-modules-when-they-are-imported-multiple-times by some submodule of your code is there any benefit to referencing the module from that namespace instead of importing it again..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python 5.0 pt2 Point 2.5 1.5 from math import sqrt # use index referencing line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 # use tuple unpacking..
Slicing of a numpy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m) http://stackoverflow.com/questions/4257394/slicing-of-a-numpy-2d-array-or-how-do-i-extract-an-mxm-submatrix-from-an-nxn-ar create a new buffer but it does create a new array object referencing the same buffer otherwise y would just be equal to x . The new..
Understanding the difference between __getattr__ and __getattribute__ http://stackoverflow.com/questions/4295678/understanding-the-difference-between-getattr-and-getattribute don ™t actually exist. If you set the attribute directly referencing that attribute will retrieve it without calling __getattr__..
Good way to append to a string http://stackoverflow.com/questions/4435169/good-way-to-append-to-a-string We get away with this only if there is only one module referencing the object. You can also think of it as creating a new string..
Why is the value of __name__ changing after assignment to sys.modules[__name__]? http://stackoverflow.com/questions/5365562/why-is-the-value-of-name-changing-after-assignment-to-sys-modules-name _test but wait a # minute isn't sys.modules '__main__' was referencing to this module so # Oops i just overwrite this module entry..
http://stackoverflow.com/questions/5438642/django-setup-default-logging Figured it out... You set the 'catch all' logger by referencing it with the empty string '' . As an example in the following..
Django vs other Python web frameworks? http://stackoverflow.com/questions/702179/django-vs-other-python-web-frameworks at Pylons but the documentation seems lacking and when referencing simple features like authentication or a CRUD interface various..
Complex foreign key constraint in SQLAlchemy http://stackoverflow.com/questions/8394177/complex-foreign-key-constraint-in-sqlalchemy that without dirty tricks . Just extend the foreign key referencing the chosen option to include variable_id in addition to choice_id..
http://stackoverflow.com/questions/895454/django-app-dependency-cycle this question If your dependency is with foreign keys referencing models in other applications you don't need to import the other..
Is it possible to sort two lists(which reference each other) in the exact same way? http://stackoverflow.com/questions/9764298/is-it-possible-to-sort-two-listswhich-reference-each-other-in-the-exact-same-w is working fine with lists but I sort of need to start referencing some data. I know this is a perfect situation for dictionaries..
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