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start MySQL server from command line on Mac OS Lion
... edited Dec 15 '15 at 4:14
tom10271
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answered Sep 22 '15 at 7:50
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Show an image preview before upload
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Numpy first occurrence of value greater than existing value
...rst occurrence are returned.") and doesn't save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: timeit np.where(aa>N/2)[0][0]
10000 loops, best of 3: 141 us per loop
In [6]: timeit np.nonzero(a...
Composer: how can I install another dependency without updating old ones?
... breaks you go and fix it. But if for you, servers failing mean you loose $10.000 per hour, then you don't doubt that the composer.lock should never be happily deleted and rebuilt. .lock is... for locking!! ;D - otherwise the lock file would be useless and you wouldn't be commiting it or it wouldn't...
How to list branches that contain a given commit?
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List vs tuple, when to use each? [duplicate]
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answered Nov 10 '09 at 15:02
Ned BatchelderNed Batchelder
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What is the formal difference in Scala between braces and parentheses, and when should they be used?
...tement // not optional here
var x = 0 // declaration
while (x < 10) { x += 1 } // stuff
(x % 5) + 1 // expression
}
( expression )
So, if you need declarations, multiple statements, an import or anything like that, you need curly braces. And because an expression is a statement, par...
How to detect the screen resolution with JavaScript?
...er
Yes.
window.screen.availHeight
window.screen.availWidth
update 2017-11-10
From Tsunamis in the comments:
To get the native resolution of i.e. a mobile device you have to multiply with the device pixel ratio: window.screen.width * window.devicePixelRatio and window.screen.height * window.deviceP...
Best approach for GPGPU/CUDA/OpenCL in Java?
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answered Jul 22 '10 at 8:47
zOlivezOlive
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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106
A simple approach would be to check how many digits are output by Integer.toHexString() and ad...