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python Programming Glossary: changeWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python Custom metaclasses The main purpose of a metaclass is to change the class automatically when it's created. You usually do this.. to use them for very simple class alterations. You can change classes by using two different techniques monkey patching class..
http://stackoverflow.com/questions/13058458/python-list-index four pointers to the same place in memory. BUT when you change one of the values then Python knows that the pointer needs to.. of the values then Python knows that the pointer needs to change to point to the new value a 4 0 a 0 0 0 0 id v for v in a 33302480.. list you get four copies of the list pointer. Now when you change one of the values in one list all four change together a 0 0..
Why does comparing strings in Python using either '==' or 'is' sometimes produce a different result? http://stackoverflow.com/questions/1504717/why-does-comparing-strings-in-python-using-either-or-is-sometimes-produce I have the comparison var1 is var2 which fails but if I change it to var1 var2 it returns True . now if I open my python interpreter..
How do I watch a file for changes using Python? http://stackoverflow.com/questions/182197/how-do-i-watch-a-file-for-changes-using-python do I watch a file for changes using Python I have a log file being written by another process.. being written by another process which I want to watch for changes. Each time a change occurrs I'd like to read the new data in.. process which I want to watch for changes. Each time a change occurrs I'd like to read the new data in to do some processing..
Unexpected feature in a Python list of lists http://stackoverflow.com/questions/240178/unexpected-feature-in-a-python-list-of-lists 3 The list looked like this 1 1 1 1 1 1 1 1 1 1 1 1 Then I changed one of the innermost values myList 0 0 5 Now my list looks.. x . That is a list with 3 references to x . When you then change x all three references are changed. To fix it you need to make.. to x . When you then change x all three references are changed. To fix it you need to make sure that you create a new list..
Python “is” operator behaves unexpectedly with integers http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Python in this case..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code However lists aren't hashable items so you will have to change your configurations into tuples instead of lists. If the order..
Python: Sort a dictionary by value http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value the values Note I have read this post and probably could change my code to have a list of dictionaries but since I do not really..
How to do relative imports in Python? http://stackoverflow.com/questions/72852/how-to-do-relative-imports-in-python
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference reference or value and the following code produces the unchanged value 'Original' class PassByReference def __init__ self self.variable.. to modify the list that was passed to a method def try_to_change_list_contents the_list print 'got' the_list the_list.append.. print 'got' the_list the_list.append 'four' print 'changed to' the_list outer_list 'one' 'two' 'three' print 'before outer_list..
http://stackoverflow.com/questions/1024435/howto-fix-python-indentation in the Tools scripts directory of your Python installation Change Python .py files to use 4 space indents and no hard tab characters...
Python lambda's binding to local values http://stackoverflow.com/questions/10452770/python-lambdas-binding-to-local-values closures lambda functions share improve this question Change x.append lambda pv v to x.append lambda v v pv v . You expect..
Installing mod_wsgi on WAMP server running on Windows 7 http://stackoverflow.com/questions/11602653/installing-mod-wsgi-on-wamp-server-running-on-windows-7 3.3.so. Or download your respective .so compatible file Change its name to mod_wsgi.so and copy it to Program Files Apache..
How to create a DLL with SWIG from Visual Studio 2010 http://stackoverflow.com/questions/11693047/how-to-create-a-dll-with-swig-from-visual-studio-2010 Properties and select Configuration All Configurations . Change Item Type to Custom Build Tool and click Apply. Select Custom..
Python: Change values in dict of nested dicts using items in a list http://stackoverflow.com/questions/11918852/python-change-values-in-dict-of-nested-dicts-using-items-in-a-list Change values in dict of nested dicts using items in a list How would..
Change one character in a string in Python? http://stackoverflow.com/questions/1228299/change-one-character-in-a-string-in-python one character in a string in Python What is the easiest way..
multiprocessing GUI schemas to combat the “Not Responding” blocking http://stackoverflow.com/questions/15698251/multiprocessing-gui-schemas-to-combat-the-not-responding-blocking # # Use QThread is enough self.thread QtCore.QThread # Change the thread affinity of worker to self.thread. self.this_worker.moveToThread..
Print in one line dynamically. Python http://stackoverflow.com/questions/3249524/print-in-one-line-dynamically-python
Can I install Python windows packages into virtualenvs? http://stackoverflow.com/questions/3271590/can-i-install-python-windows-packages-into-virtualenvs with distutils combine .exe with .zip into one .exe file. Change extension to .zip to see it's a valid zip file. I discovered..
Preserving styles using python's xlrd,xlwt, and xlutils.copy http://stackoverflow.com/questions/3723793/preserving-styles-using-pythons-xlrd-xlwt-and-xlutils-copy colIndex return cell def setOutCell outSheet col row value Change cell value without changing formatting. # HACK to retain cell..
http://stackoverflow.com/questions/3764291/checking-network-connection 74.125.228.100 is one of the IP addresses for google.com. Change http 74.125.228.100 to whatever site can be expected to respond..
Using Django time/date widgets in custom form http://stackoverflow.com/questions/38601/using-django-time-date-widgets-in-custom-form 'mydatetime' .widget widgets.AdminSplitDateTime Change your URLconf to pass 'form_class' ProductForm instead of 'model'..
Detect File Change Without Polling http://stackoverflow.com/questions/5738442/detect-file-change-without-polling File Change Without Polling I'm trying to use a method within a Python..
How does Python's “super” do the right thing? http://stackoverflow.com/questions/607186/how-does-pythons-super-do-the-right-thing super python 2.5 share improve this question Change your code to this and I think it'll explain things presumably..
http://stackoverflow.com/questions/6352740/matplotlib-label-each-bin ax.xaxis.set_major_formatter FormatStrFormatter ' 0.1f' # Change the colors of bars at the edges... twentyfifth seventyfifth..
http://stackoverflow.com/questions/9064018/how-to-debug-internal-error-current-transaction-is-aborted-commands-ignored-un Read and paste the installation commands in tmp Change dir to autocomplete_light_env src django autocomplete light..
Mark data as sensitive in python http://stackoverflow.com/questions/982682/mark-data-as-sensitive-in-python ctypes.cdll.msvcrt.memset # For Linux use the following. Change the 6 to whatever it is on your computer. # memset ctypes.CDLL..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference def __init__ self self.variable 'Original' self.Change self.variable print self.variable def Change self var var 'Changed'.. self.Change self.variable print self.variable def Change self var var 'Changed' Is there something I can do to pass the.. self.variable print self.variable def Change self var var 'Changed' Is there something I can do to pass the variable by actual..
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