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Doing something before program exit
... quits? I have a script that will be constantly running in the background, and I need it to save some data to a file before it exits. Is there a standard way of doing this?
...
CSS transition shorthand with multiple properties?
I can't seem to find the correct syntax for the CSS transition shorthand with multiple properties. This doesn't do anything:
...
Git commit date
...
The
show
command may be what you want. Try
git show -s --format=%ci <commit>
Other formats for the date string are available as well. Check the manual page for
details.
...
What is the 'instanceof' operator used for in Java?
...);,
animal instanceof Dog // false
because Animal is a supertype of Dog and possibly less "refined".
And,
dog instanceof Cat // does not even compile!
This is because Dog is neither a subtype nor a supertype of Cat, and it also does not implement it.
Note that the variable used for dog above...
Change Screen Orientation programmatically using a Button
...
Yes it is implementable!
ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
ActivityInfo
http://developer.and...
How disable Copy, Cut, Select, Select All in UITextView
...
Subclass UITextView and overwrite canBecomeFirstResponder:
- (BOOL)canBecomeFirstResponder {
return NO;
}
Note, that this only applies for non-editable UITextViews! Haven't tested it on editable ones...
...
Fat models and skinny controllers sounds like creating God models [closed]
I've been reading a lot of blogs which advocate the fat models and skinny controllers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and th...
Right HTTP status code to wrong input
...es:
The 422 (Unprocessable Entity) status code means the server understands the content type of the request entity (hence a 415 (Unsupported Media Type) status code is inappropriate), and the syntax of the request entity is correct (thus a 400 (Bad Request) status code is inappropriate) but was ...
Download file of any type in Asp.Net MVC using FileResult?
...uld try that, but what goes into the byte[] array?
– Anders
Aug 31 '10 at 15:40
3
Never mind, I t...
Select distinct values from a table field
...uery, not even the default ordering, call order_by() with no parameters.
and distinct() in the note where it discusses issues with using distinct() with ordering.
To query your DB, you just have to call:
models.Shop.objects.order_by().values('city').distinct()
It returns a dictionnary
or
mod...