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Android ACTION_IMAGE_CAPTURE Intent
...re trying to use the native camera app to let the user take a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" butt...
How to run a single test with Mocha?
...cript regex as <pattern>. For instance, if we have test/mytest.js:
it('logs a', function(done) {
console.log('a');
done();
});
it('logs b', function(done) {
console.log('b');
done();
});
Then:
$ mocha -g 'logs a'
To run a single test. Note that this greps across the names of al...
How to get active user's UserDetails
...
Preamble: Since Spring-Security 3.2 there is a nice annotation @AuthenticationPrincipal described at the end of this answer. This is the best way to go when you use Spring-Security >= 3.2.
When you:
use an older version of Spring-Security,
need to...
Retain cycle on `self` with blocks
I'm afraid this question is pretty basic, but I think it's relevant to a lot of Objective-C programmers who are getting into blocks.
...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
How to fix it?
19 Answers
19
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Detect backspace in empty UITextField
...when the Backspace / Delete key is pressed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
...
Limit File Search Scope in Sublime Text 2
...
Add and edit this in your ~/Library/Application Support/Sublime Text 2/Packages/User/Preferences.sublime-settings file.
// These files will still show up in the side bar, but won't be included in
// Goto Anything or Find in Files
"bin...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...inst assuming DPI-awareness is easy.
I generally avoid DPI-aware scaling with TForm.Scaled = True. DPI awareness is only important to me when it becomes important to customers who call me and are willing to pay for it. The technical reason behind that point of view is that DPI-awareness or not, y...
Why does Java's hashCode() in String use 31 as a multiplier?
... continual mentions on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice p...