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What is the purpose of “&&” in a shell command?
...
409
&& lets you do something based on whether the previous command completed successfully -...
Why should C++ programmers minimize use of 'new'?
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1049
There are two widely-used memory allocation techniques: automatic allocation and dynamic alloc...
Autolayout - intrinsic size of UIButton does not include title insets
...ve left image inset, the actual layout uses half that value. So to get a -20 point left inset, you must use a -40 point left inset value in Interface Builder.
So you provide a big enough left content inset to create space for both the desired left inset and the inner padding between the icon and t...
Is the != check thread safe?
...n a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
...
as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was cha...
Understanding FFT output
... where the frequency result occurs twice. Once ready to use in the outputs 0 to N/2, and once mirrored in the outputs N/2 to N. In your case it's easiest to simply ignore the outputs N/2 to N. You don't need them, they are just an artifact on how you calculate your FFT.
The frequency to fft-bin equa...
Calculate distance between two points in google maps V3
...e the Haversine formula:
var rad = function(x) {
return x * Math.PI / 180;
};
var getDistance = function(p1, p2) {
var R = 6378137; // Earth’s mean radius in meter
var dLat = rad(p2.lat() - p1.lat());
var dLong = rad(p2.lng() - p1.lng());
var a = Math.sin(dLat / 2) * Math.sin(dLat / 2)...
How to Sign an Already Compiled Apk
... -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
then sign the apk using :
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore my_application.apk alias_name
check here for more info
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Checking length of dictionary object [duplicate]
...what I needed! Cheers
– Gesias
Mar 30 '13 at 7:00
12
FYI for the others still supporting IE8: No ...
How can i query for null values in entity framework?
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answered Mar 29 '10 at 20:28
BlueRaja - Danny PflughoeftBlueRaja - Danny Pflughoeft
72.3k2525 gold badges169169 silver badges251251 bronze badges
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How does C compute sin() and other math functions?
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220
In GNU libm, the implementation of sin is system-dependent. Therefore you can find the implement...