大约有 40,900 项符合查询结果(耗时:0.0453秒) [XML]

https://stackoverflow.com/ques... 

How to detect when an Android app goes to the background and come back to the foreground

... The onPause() and onResume() methods are called when the application is brought to the background and into the foreground again. However, they are also called when the application is started for the first time and before it is killed. You ...
https://stackoverflow.com/ques... 

How are everyday machines programmed?

How are everyday machines (not so much computers and mobile devices as appliances, digital watches, etc) programmed? What kind of code goes into the programming of a Coca-Cola vending machine? How does my coffee maker accept a pre-programmed time and begin brewing a pot of coffee hours later, when t...
https://stackoverflow.com/ques... 

Using Git with an existing Xcode project

I am trying to figure out how to use git in my project workflow, and I have an existing Xcode project that I want to put into the repository. I think I have the repository set up correctly under organizer, but the Source Control menu is grayed out. Apparently, it's easy to do if you start a new pr...
https://stackoverflow.com/ques... 

How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

... I suggest carefully reading and implementing the sync strategy discussed by Dan Grover at iPhone 2009 conference, available here as a pdf document. This is a viable solution and is not that difficult to implement (Dan implemented this in several of its...
https://stackoverflow.com/ques... 

Is it possible to define more than one function per file in MATLAB, and access them from outside tha

... the same name as the m-file, but for clarity it should. When the function and file name differ, the file name must be used to call the main function. All subsequent functions in the m-file, called local functions (or "subfunctions" in the older terminology), can only be called by the main function...
https://stackoverflow.com/ques... 

How would Git handle a SHA-1 collision on a blob?

This probably never happened in the real-world yet, and may never happen, but let's consider this: say you have a git repository, make a commit, and get very very unlucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle ...
https://stackoverflow.com/ques... 

What's the difference between a file descriptor and file pointer?

I want to know the difference between a file descriptor and file pointer. 9 Answers 9 ...
https://stackoverflow.com/ques... 

Tracking CPU and Memory usage per process

... more CPU cycles than I want it to. The problem is - it happens in bursts, and just looking at the task manager doesn't help me as it shows immediate usage only. ...
https://stackoverflow.com/ques... 

Group vs role (Any real difference?)

Can anyone tell me, what's the real difference between group and role? I've been trying to figure this out for some time now and the more information I read, the more I get the sense that this is brought up just to confuse people and there is no real difference. Both can do the other's job. I've alw...
https://stackoverflow.com/ques... 

What is Unicode, UTF-8, UTF-16?

What's the basis for Unicode and why the need for UTF-8 or UTF-16? I have researched this on Google and searched here as well but it's not clear to me. ...