大约有 30,000 项符合查询结果（耗时：0.0457秒） [XML]
Getting attribute using XPath
...
Thanks! This solved a similar problem I had with a data attribute inside a Div.
<div id="prop_sample" data-want="data I want">data I do not want</div>
Use this xpath: //*[@id="prop_sample"]/@data-want
Hope this helps someone else!
...
Full Screen DialogFragment in Android
...api when testing.
public class FragmentDialog extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button = (Button) findViewById(R.id.show);
button.setOnClickListener(new OnCl...
What does the “yield” keyword do?
...a list, you can read its items one by one. Reading its items one by one is called iteration:
>>> mylist = [1, 2, 3]
>>> for i in mylist:
... print(i)
1
2
3
mylist is an iterable. When you use a list comprehension, you create a list, and so an iterable:
>>> mylist = ...
mmap() vs. reading blocks
...nicely explains the reason why mmap or read might be faster or slower.
A call to mmap has more overhead than read (just like epoll has more overhead than poll, which has more overhead than read). Changing virtual memory mappings is a quite expensive operation on some processors for the same reaso...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...etely blended and integrated in IIS. In this mode, ASP.NET HttpModules basically have nearly as much power as an ISAPI filter would have had and ASP.NET HttpHandlers can have nearly equivalent capability as an ISAPI extension could have. In this mode, ASP.NET is basically a part of IIS.
...
Can I do a synchronous request with volley?
...round thread. Can I do a request using volley in that same thread, so that callbacks happen synchronously?
8 Answers
...
How to build an android library with Android Studio and gradle?
...uild. Now we are going to add the others. I put them in a directory, maybe call it deps, or subProjects. It doesn't really matter, but you will need to know where you put it. To tell Gradle where the projects are you are going to need to add them to the settings.gradle.
Directory Structure:
Projec...
Can I add extension methods to an existing static class?
...class (or facade) that implements the same signature and defers the actual call to the real ConfigurationManager. You can add whatever method you want to the wrapper class so it doesn't need to be an extension.
– tvanfosson
Feb 18 '10 at 18:35
...
Difference between onStart() and onResume()
...meaning of onStart() transition state. The onResume() method is always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose?
...
Java: notify() vs. notifyAll() all over again
...rect. o.notifyAll() wakes all of the threads that are blocked in o.wait() calls. The threads are only allowed to return from o.wait() one-by-one, but they each will get their turn.
Simply put, it depends on why your threads are waiting to be notified. Do you want to tell one of the waiting thre...