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css z-index lost after webkit transform translate3d
...e translate3d webkit transform to animate these elements off the screen, and then back onto the screen. After the transform, the elements no longer respect their set z-index values.
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Moving average or running mean
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UPD: more efficient solutions have been proposed by Alleo and jasaarim.
You can use np.convolve for that:
np.convolve(x, np.ones((N,))/N, mode='valid')
Explanation
The running mean is a case of the mathematical operation of convolution. For the running mean, you slide a win...
&& (AND) and || (OR) in IF statements
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No, it will not be evaluated. And this is very useful. For example, if you need to test whether a String is not null or empty, you can write:
if (str != null && !str.isEmpty()) {
doSomethingWith(str.charAt(0));
}
or, the other way around
if ...
Bootstrap 3 and Youtube in Modal
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I found this problem (or the problem I found and described at https://github.com/twbs/bootstrap/issues/10489) related to CSS3 transformation (translation) on the .modal.fade .modal-dialog class.
In bootstrap.css you will find the lines shown below:
.modal.fade .modal-...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...C-style enumerations are imported as Swift enumerations. This makes sense, and since enumerations in Swift are readily provided as the enum value type it's easy to see how to create our own.
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How can I brew link a specific version?
...oo like /usr/local/Cellar/libfoo/1.0.1 , /usr/local/Cellar/libfoo/HEAD and /usr/local/Cellar/libfoo/mycopy
5 Answers
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What is the best way to get all the divisors of a number?
...e dumb way (stopping at n/2) very cool, thank you!
– Andrea Ambu
Oct 5 '08 at 10:20
47
For those ...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
...in the second loop, which does not call by reference, replaces that value, and thus $arr[2], with the new value.
So loop 1, the value and $arr[2] become $arr[0], which is 'foo'.
Loop 2, the value and $arr[2] become $arr[1], which is 'bar'.
Loop 3, the value and $arr[2] become $arr[2], which is 'bar'...
Set time part of DateTime in ruby
Say I have a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Ans...
Stack smashing detected
...elated errors, but like a debugger, it may help you pin-point the location and reason for the crash.
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