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Django - How to rename a model field using South?
...y derives the name of the database table from the name of your model class and the app that contains it. A model's database table name is constructed by joining the model's "app label" -- the name you used in manage.py startapp -- to the model's class name, with an underscore between them.
In the ...
How do you get the index of the current iteration of a foreach loop?
... collection, which will return an Enumerator.
This Enumerator has a method and a property:
MoveNext()
Current
Current returns the object that Enumerator is currently on, MoveNext updates Current to the next object.
The concept of an index is foreign to the concept of enumeration, and cannot be don...
Check if an image is loaded (no errors) with jQuery
...ng, when an error occurs it does something else. I'm using jQuery load() and error() methods as events. After these events I check the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events.
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Sending a message to nil in Objective-C
...x:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time through the loop. (Although NSLog is a function and not a method, it prints out (null) if passed a nil NSString.
In some cases it's nicer to have a NullPoint...
Where is Vagrant saving changes to the VM?
I am just starting with Vagrant and I am having a little trouble understanding a few details. I have read through the docs but still am missing a basic concept. When I want to start a Vagrant box I run:
...
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
Why should the “PIMPL” idiom be used? [duplicate]
...ged much anyway. The code I'm looking at seems to be taking the safe road and using pimpl everywhere.
– JeffV
Sep 13 '08 at 15:23
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How to select bottom most rows?
...ve been up 14 hours). At first I couldn't see the difference between yours and the order by answers, but now I can. So +1.
– RichardOD
Dec 9 '09 at 20:52
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Differences between utf8 and latin1
what is the difference between utf8 and latin1?
2 Answers
2
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