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How can I know when an EditText loses focus?
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Implement onFocusChange of setOnFocusChangeListener and there's a boolean parameter for hasFocus. When this is false, you've lost focus to another control.
EditText txtEdit = (EditText) findViewById(R.id.edittxt);
txtEdit.setOnFocusChangeListener(new OnFocusChangeListener(...
What is a practical use for a closure in JavaScript?
...osures without knowing it! I often put functions inside another like that, and then expose any I need public by returning an object literal like in your example.
– alex
Apr 28 '10 at 10:44
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Make WPF window draggable, no matter what element is clicked
My question is 2 fold, and I am hoping there are easier solutions to both provided by WPF rather than the standard solutions from WinForms (which Christophe Geers provided, before I've made this clarification).
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android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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What does 'synchronized' mean?
I have some questions regarding the usage and significance of the synchronized keyword.
17 Answers
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How to change an application icon programmatically in Android?
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It's an old question, but still active as there is no explicit Android feature. And the guys from facebook found a work around - somehow. Today, I found a way that works for me. Not perfect (see remarks at the end of this answer) but it works!
Main idea is, that I update the icon of my ...
How to set ViewBag properties for all Views without using a base class for Controllers?
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Un-tried by me, but you might look at registering your views and then setting the view data during the activation process.
Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activated event, so you'd need to set it up in a Module:
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Sharing a result queue among several processes
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Try using multiprocessing.Manager to manage your queue and to also make it accessible to different workers.
import multiprocessing
def worker(name, que):
que.put("%d is done" % name)
if __name__ == '__main__':
pool = multiprocessing.Pool(processes=3)
m = multiproces...
sed: print only matching group
...the last two numbers (one int, one float; followed by optional whitespace) and print only them.
5 Answers
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What happens to a detached thread when main() exits?
Assume I'm starting a std::thread and then detach() it, so the thread continues executing even though the std::thread that once represented it, goes out of scope.
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