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How to programmatically take a screenshot on Android?
How can I take a screenshot of a selected area of phone-screen not by any program but from code?
24 Answers
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Meaning of Choreographer messages in Logcat [duplicate]
...o the vsync, and properly time things to improve performance.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance.
Since Choreographer is told about every vsync events, it can tell if one of the Runnables passed...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
... the view is being pop'ed and not pushed
-(void) viewWillDisappear:(BOOL) animated
{
[super viewWillDisappear:animated];
if ([self isMovingFromParentViewController])
{
if (self.navigationController.delegate == self)
{
self.navigationController.delegate = nil;
...
String isNullOrEmpty in Java? [duplicate]
This surely has been asked before, but Googling doesn't find it . Is there, in any of the standard java libraries (including apache/google/...), a static isNullOrEmpty() method for Strings ?
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Is Big O(logn) log base e?
... answered Oct 15 '09 at 0:31
Daniel PrydenDaniel Pryden
52.7k1212 gold badges8787 silver badges128128 bronze badges
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How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
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JSF backing bean structure (best practices)
I hope that in this post, I can get people's opinions on best practices for the interface between JSF pages and backing beans.
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“Automatic” vs “Automatic (Delayed start)”
When installing Windows services there are two options for automatically starting a Windows service on Windows startup. One is Automatic , and the other is Automatic (Delayed start) . What is the difference between these two in detail?
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Is it safe to check floating point values for equality to 0?
... answered Jan 27 '09 at 22:58
Daniel DaranasDaniel Daranas
21.4k99 gold badges5959 silver badges105105 bronze badges
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How to count number of files in each directory?
...iles in directory %s\n" "$num" "$dir"; done
– Radek Daniluk
Dec 12 '19 at 7:11
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