大约有 9,000 项符合查询结果（耗时：0.0340秒） [XML]
How do I get the current GPS location programmatically in Android?
...s not available then try to use network for find the location.
GPSTracker.java
public class GPSTracker extends Service implements LocationListener {
private final Context mContext;
// Flag for GPS status
boolean isGPSEnabled = false;
// Flag for network status
boolean isNet...
Why / when would it be appropriate to override ToString?
...t's state. Emphasis on state as a requirement. Strongly OOP languages like Java/C# abuse the OOP model by encapsulating everything in a class. Imagine you are coding in a language that doesn't follow the strong OOP model; consider whether you'd use a class or a function. If you would use it as a fun...
Can a class member function template be virtual?
...ns based on my name? I did not confuse generics and templates. I know that Java's generics are purely run time. You didn't exhaustively explain why you cannot have virtual member function templates in C++, but InQsitive did. You overly simplified the template and virtual mechanics to 'compile time' ...
What is the purpose of Rank2Types?
...ave made out. Believe it or not, many object-oriented languages (including Java and C#!) feature them. (Of course, no one in those communities knows them by the scary-sounding name "higher-rank types".)
The example I'm going to give is a textbook implementation of the Visitor pattern, which I use a...
What is the difference between JSON and Object Literal Notation?
Can someone tell me what is the main difference between a JavaScript object defined by using Object Literal Notation and JSON object ?
...
How do I daemonize an arbitrary script in unix?
...ike the killproc in the stopping part: if you had a process that, say, ran java, the killproc will cause all other Java processes to be killed too.
– Chris Jester-Young
Mar 18 '10 at 4:46
...
Why are const parameters not allowed in C#?
...ss, every language on top of the CLR should support const correctness (VB, JavaScript, Python, Ruby, F#, etc.) That's not going to happen.
Const correctness is pretty much a language feature only present in C++. So it pretty much boils down to the same argumentation as to why the CLR does not requ...
Practical usage of setjmp and longjmp in C
...ituations are similar to situation where exception in other langages (C++, Java) make sense.
Coroutines
Besides error handling, I can think also of another situation where you need setjmp/longjmp in C:
It is the case when you need to implement coroutines.
Here is a little demo example.
I hope it...
Remove sensitive files and their commits from Git history
... that you want to remove (one entry per line) and then run this command:
$ java -jar bfg.jar --replace-text private.txt my-repo.git
All files under a threshold size (1MB by default) in your repo's history will be scanned, and any matching string (that isn't in your latest commit) will be replaced...
PHP Function Comments
...
Looks like a copy of javadoc.
– Matt
Aug 21 '09 at 4:30
8
...