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How can I check file size in Python?
... StringIO's, in my limited testing. (Python 2.7.3.) The "file-like object" API isn't really a rigorous interface, of course, but the API documentation suggests that file-like objects should support seek() and tell().
Edit
Another difference between this and os.stat() is that you can stat() a file ...
How to prevent a dialog from closing when a button is clicked
...
EDIT: This only works on API 8+ as noted by some of the comments.
This is a late answer, but you can add an onShowListener to the AlertDialog where you can then override the onClickListener of the button.
final AlertDialog dialog = new AlertDialog....
How can I check if a single character appears in a string?
...Barfoon asked. B wishes to avoid doing the loop in B's code. Naturally the API needs to do a loop after all a String is an array of characters wrapped up in a nice class with lots of useful methods.
– mP.
Feb 5 '09 at 2:55
...
Making the iPhone vibrate
...
Important Note: Alert of Future Deprecation.
As of iOS 9.0, the API functions description for:
AudioServicesPlaySystemSound(inSystemSoundID: SystemSoundID)
AudioServicesPlayAlertSound(inSystemSoundID: SystemSoundID)
includes the following note:
This function will be deprecated in a f...
Convert timestamp in milliseconds to string formatted time in Java
...al long timestamp = new Date().getTime();
// with java.util.Date/Calendar api
final Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(timestamp);
// here's how to get the minutes
final int minutes = cal.get(Calendar.MINUTE);
// and here's how to get the String representation
final String t...
How to pass payload via JSON file for curl?
...to specify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: application/json"
But that will only work if the server accepts json input. The .json at the end of the url may only indicate that the output is json, it doesn...
How to get the previous URL in JavaScript?
...o the previous page without knowing the url, you could use the new History api.
history.back(); //Go to the previous page
history.forward(); //Go to the next page in the stack
history.go(index); //Where index could be 1, -1, 56, etc.
But you can't manipulate the content of the history stack on br...
How to set entire application in portrait mode only?
...Orientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
For Android 4+ (API 14+)
Last option is to do it with activity lifecycle listeners which is only available since Android 4.0 (API 14+). Everything happens in a custom Application class:
@Override
public void onCreate() {
super.onCreate...
How to force an entire layout View refresh?
...wer the question: Use invalidate():
public void invalidate ()
Since: API Level 1
Invalidate the whole view. If the view is visible, onDraw(Canvas) will be called at some point in the future. This must be called from a UI thread. To call from a non-UI thread, call postInvalidate().
ViewG...
Implicit “Submit” after hitting Done on the keyboard at the last EditText
... handled = true;
}
return handled;
}
});
Official API doc: https://developer.android.com/guide/topics/ui/controls/text.html#ActionEvent
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