大约有 9,154 项符合查询结果(耗时:0.0301秒) [XML]
Valid to use (anchor tag) without href attribute?
...ter Bootstrap to build a site, and a lot of its functionality depends on wrapping things in <a> , even if they're just going to execute Javascript. I've had problems with the href="#" tactic that Bootstrap's documentation recommends, so I was trying to find a different solution.
...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...(including the cell itself) opaque for performance. That means setting the appropriate background color in everything.
3.6) When using an NSURLConnection, as a rule you may well want to implement the delegate method:
- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
...
Manually raising (throwing) an exception in Python
...cific in your message, e.g.:
raise ValueError('A very specific bad thing happened.')
Don't raise generic exceptions
Avoid raising a generic Exception. To catch it, you'll have to catch all other more specific exceptions that subclass it.
Problem 1: Hiding bugs
raise Exception('I know Python!')...
what is the difference between a portlet and a servlet?
...ortlets
The packaging and deployment are essentially the same, WAR/EARs.
Application Session exists in both Servlet and Portlet containers. It is one of the ways of of sharing data (crude Inter-Portlet Communication) from the render phase to the action phase (or any lower phases) in the portlet co...
What is the recommended approach towards multi-tenant databases in MongoDB?
I'm thinking of creating a multi-tenant app using MongoDB. I don't have any guesses in terms of how many tenants I'd have yet, but I would like to be able to scale into the thousands.
...
What is a Portable Class Library?
...in the shade.
UPDATE May 20 2013:
Very practical coverage of practical application and implications of this for cross-device stuff (think Xamarin Studio) in Tablet Show podcast with Atley Hunter. Key takeaway:- PCLs are a very useful constraint to impose on onself in cross-device scenarios.
One ...
What is the difference between MVC and MVVM? [closed]
...de.
For Silverlight and WPF, the MVVM pattern is more encompassing and can appear to act as a replacement for MVC (or other patterns of organising software into separate responsibilities). One assumption, that frequently came out of this pattern, was that the ViewModel simply replaced the controller...
Difference between MEAN.js and MEAN.io
...ilosophy and openness of MeanJS and more the traction and modules/packages approach of MeanIO. Both are nice, and you'll end probably modifying them, so you can't really go wrong picking one or the other. Just take them as starting point and as a learning exercise.
ALTERNATIVE “MEAN” SOLUTION...
Expand Python Search Path to Other Source
... directories to search for imported modules.
In your program, use sys.path.append('/path/to/search') to add the names of directories you want Python to search for imported modules. sys.path is just the list of directories Python searches every time it gets asked to import a module, and you can alter...
Qt events and signal/slots
...rived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application needs to know about.
Events can be received and handled by
any instance of a QObject subclass,
but they are especially r...