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How to Define Callbacks in Android?
...ires me to edit the source path on it. So how would i carry out "callBack" from an old activity to a new activity?
– Antoine Murion
Apr 20 '15 at 8:41
3
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Python Linked List
...ail. This is very useful for dynamic algorithms that require saved values from previous iterations where sharing list tails can reduce memory complexity from quadratic to linear and eliminate time overhead due to copying.
– saolof
Jun 25 '17 at 12:08
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Outline radius?
...-shadow version. For example, if you want the "outline" to be spaced away from the element (i.e. simulating outline-offset) it becomes possible with this technique.
– Kirk Woll
Jan 4 '19 at 22:30
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...tion used status code 401 for both "unauthorized" and "unauthenticated".
From the original specification:
If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials.
In fact, you can see the confusion r...
Clearing a string buffer/builder after loop
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I think the performance benefit comes from the string mutability, not from saving the instantiation. here's a quick test of 1e8 iterations: inside loop (2.97s): ideone.com/uyyTL14w, outside loop (2.87s): ideone.com/F9lgsIxh
– Mark Elliot
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Remove sensitive files and their commits from Git history
...ing you should be worried about is CHANGING YOUR PASSWORDS! It's not clear from your question whether your git repository is entirely local or whether you have a remote repository elsewhere yet; if it is remote and not secured from others you have a problem. If anyone has cloned that repository befo...
Custom ImageView with drop shadow
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This is taken from Romain Guy's presentation at Devoxx, pdf found here.
Paint mShadow = new Paint();
// radius=10, y-offset=2, color=black
mShadow.setShadowLayer(10.0f, 0.0f, 2.0f, 0xFF000000);
// in onDraw(Canvas)
canvas.drawBitmap(b...
How to check if a String contains only ASCII?
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From Guava 19.0 onward, you may use:
boolean isAscii = CharMatcher.ascii().matchesAllOf(someString);
This uses the matchesAllOf(someString) method which relies on the factory method ascii() rather than the now deprecated A...
How to detect Adblock on my website?
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Please don't prevent users from entering your site because they have ads disabled -- that just escalates the arms race. -- If you ask us kindly to turn them on, we might just do it -- if you try to force us, we'll either just stop going to your site, o...
Android 4.2: back stack behaviour with nested fragments
...t).commit();
}
This gives you the same behavior as if your clicking back from regular Fragment B back to Fragment A, except now it is on the child fragments as well!
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