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python Programming Glossary: personWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python ORM. It allows you to define something like this class Person models.Model name models.CharField max_length 30 age models.IntegerField.. 30 age models.IntegerField But if you do this guy Person name 'bob' age '35' print guy.age It won't return an IntegerField.. __metaclass__ and it uses some magic that will turn the Person you just defined with simple statements into a complex hook..
Python Class Factory to Produce simple Struct-like classes http://stackoverflow.com/questions/1264833/python-class-factory-to-produce-simple-struct-like-classes I came across this to create a simple Struct like class Person Struct.new forname surname person1 Person.new 'John' 'Doe' puts.. like class Person Struct.new forname surname person1 Person.new 'John' 'Doe' puts person1 # struct Person forname John surname.. person1 Person.new 'John' 'Doe' puts person1 # struct Person forname John surname Doe Which raised a few Python questions..
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields? http://stackoverflow.com/questions/163823/can-list-display-in-a-django-modeladmin-display-attributes-of-foreignkey-field display attributes of ForeignKey fields I have a Person model that has a foreign key relationship to Book. Book has.. author a standard CharField . With that being said in my PersonAdmin model I'd like to display book.author using list_display.. see below but nothing seems to work. Any suggestions class PersonAdmin admin.ModelAdmin list_display 'book.author' python django..
In Django, how does one filter a QuerySet with dynamic field lookups? http://stackoverflow.com/questions/310732/in-django-how-does-one-filter-a-queryset-with-dynamic-field-lookups lookups Given a class from django.db import models class Person models.Model name models.CharField max_length 20 Is it possible.. based on dynamic arguments For example # Instead of Person.objects.filter name__startswith 'B' # ... and Person.objects.filter.. of Person.objects.filter name__startswith 'B' # ... and Person.objects.filter name__endswith 'B' # ... is there some way given..
Why does pip install matplotlib version 0.91.1 when PyPi shows version 1.0.0? http://stackoverflow.com/questions/3555551/why-does-pip-install-matplotlib-version-0-91-1-when-pypi-shows-version-1-0-0 resource http matplotlib.sourceforge.net maintainer foaf Person foaf name John D. Hunter foaf name foaf mbox_sha1sum 4b099b4a7f50a1f39642ce59c2053c00d4de6416.. foaf mbox_sha1sum foaf Person maintainer release Version revision 1.0.0 revision Version release..
Boost-python How to pass a c++ class instance to a python class http://stackoverflow.com/questions/5055443/boost-python-how-to-pass-a-c-class-instance-to-a-python-class PyObject pClassHelloPython PyDict_GetItemString pDict Person PyObject pInstanceHelloPython PyInstance_New pClassHelloPython.. PyErr_Print Py_Finalize return 0 in python.py class Person def sayHi self print 'hello from python' def greetReset self.. argc char argv Py_Initialize try PyRun_SimpleString class Person n def sayHi self n print 'hello from python' n def greetReset..
Python name mangling: When in doubt, do what? http://stackoverflow.com/questions/7456807/python-name-mangling-when-in-doubt-do-what between properties names and attribute names class Person object def __init__ self name age self.name name self._age age.. since Python have properties. If you had this class class Person object def __init__ self name age self.name name self.age age.. of your code. Just add a property as shown below class Person object def __init__ self name age self.name name self._age age..
Creating dynamically named variables from user input http://stackoverflow.com/questions/11354214/creating-dynamically-named-variables-from-user-input them into a dictionary people name raw_input What name # person people name User name print people # 'person' User person print.. What name # person people name User name print people # 'person' User person print people.keys # 'person' This way you are not.. person people name User name print people # 'person' User person print people.keys # 'person' This way you are not creating arbitrary..
Python: What is the common header format? http://stackoverflow.com/questions/1523427/python-what-is-the-common-header-format Development or Production . __maintainer__ should be the person who will fix bugs and make improvements if imported. __credits__..
How to convert an xml string to a dictionary in Python? http://stackoverflow.com/questions/2148119/how-to-convert-an-xml-string-to-a-dictionary-in-python simplejson library. Take as an example str xml version 1.0 person name john name age 20 age person dic_xml convert_to_dic str.. str xml version 1.0 person name john name age 20 age person dic_xml convert_to_dic str Then dic_xml would look like 'person'.. dic_xml convert_to_dic str Then dic_xml would look like 'person' 'name' 'john' 'age' 20 Thanks in advance Ze Maria python xml..
Why do we need tuples in Python (or any immutable data type)? http://stackoverflow.com/questions/2174124/why-do-we-need-tuples-in-python-or-any-immutable-data-type enough for you Wow you're definitely a very demanding person when it comes to deeming an optimization substantial ... share..
How do you log server errors on django sites http://stackoverflow.com/questions/238081/how-do-you-log-server-errors-on-django-sites automatically mail a full traceback of any error to each person listed in the ADMINS setting which gets you notifications pretty..
What are “first class” objects? [closed] http://stackoverflow.com/questions/245192/what-are-first-class-objects make everything first class. I believe the intent of the person who made your statement meant first class. share improve this..
http://stackoverflow.com/questions/3247183/variable-table-name-in-sqlite attack. While that isn't a big deal here as I'm the only person with access to these dbs I would like to follow best practices...
Embedding Python in an iPhone app http://stackoverflow.com/questions/3691655/embedding-python-in-an-iphone-app Not surprising either is that you aren't the first person to want to do this but not for iOS. Python has been squeezed.. and Ronald of anyone is probably the most knowledgeable person in this particular area. Note that PyObjC will have to solve..
Python: Is there a way to determine the encoding of text file? http://stackoverflow.com/questions/436220/python-is-there-a-way-to-determine-the-encoding-of-text-file pop up all the time while other sequences make no sense. A person fluent in English who opens a newspaper and finds œtxzqJv 2 dasd0a..
Making moves w/ websockets and python / django ( / twisted? ) http://stackoverflow.com/questions/4363899/making-moves-w-websockets-and-python-django-twisted session saved websocket has fd 1. Can a socket oriented person help me sort this stuff out python django sockets websocket..
Django: ModelMultipleChoiceField doesn't select initial choices http://stackoverflow.com/questions/488036/django-modelmultiplechoicefield-doesnt-select-initial-choices ul ul print contacts_from_company Contact test person Contact another person form2 Action_Form initial 'from_company'.. contacts_from_company Contact test person Contact another person form2 Action_Form initial 'from_company' contacts_from_company..
Function arguments (in Python for example) http://stackoverflow.com/questions/7086368/function-arguments-in-python-for-example hi function might need to know who to say hello to def hi person print Hi there person how are you Or a mathematical function.. to know who to say hello to def hi person print Hi there person how are you Or a mathematical function might need a value to..
Python check for valid email address? http://stackoverflow.com/questions/8022530/python-check-for-valid-email-address that it was not mistyped and that it actually goes to the person you think it does. The only way to do that is to send them an..
get key by value in dictionary http://stackoverflow.com/questions/8023306/get-key-by-value-in-dictionary find the age I just don't know how to show the name of the person. Additionally I am getting a KeyError because of line 5. I know..
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