大约有 42,000 项符合查询结果（耗时：0.0552秒） [XML]
What's the best way to share data between activities?
I have one activity which is the main activity used throughout the app and it has a number of variables. I have two other activities which I would like to be able to use the data from the first activity.
Now I know I can do something like this:
...
How to handle Objective-C protocols that contain properties?
I've seen usage of Objective-C protocols get used in a fashion such as the following:
6 Answers
...
Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
52 Answers
...
Convert SVG image to PNG with PHP
I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data.
...
Why doesn't delete set the pointer to NULL?
I always wondered why automatic setting of the pointer to NULL after delete is not part of the standard. If this gets taken care of then many of the crashes due to an invalid pointer would not occur. But having said that I can think of couple of reasons why the standard would have restricted this:...
How do you push a tag to a remote repository using Git?
I have cloned a remote Git repository to my laptop, then I wanted to add a tag so I ran
9 Answers
...
How to use Git and Dropbox together effectively?
Is it possible to use Git and Dropbox together effectively?
20 Answers
20
...
What is the use of “ref” for reference-type variables in C#?
I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one.
...
Click outside menu to close in jquery
So I have a drop-down menu that shows on a click, as per business requirements. The menu becomes hidden again after you mouse away from it.
...
Visual Studio retrieving an incorrect path to a project from somewhere
Visual Studio (and possibly TFS) has somehow (I think perhaps during a source control merge) become confused about the path of a project within my solution.
...