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AngularJS ngClass conditional
...You can achieve this in two different ways.
Type 1
<div ng-class="{0:'one', 1:'two',2:'three'}[status]"></div>
In this code class will be apply according to value of status value
if status value is 0 then apply class one
if status value is 1 then apply class two
if status value is...
Is R's apply family more than syntactic sugar?
...n't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But in general, the rule is that you should use an apply function for c...
What's the safest way to iterate through the keys of a Perl hash?
...h may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
.... Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Logical Operators, || or OR?
...
There is no "better" but the more common one is ||. They have different precedence and || would work like one would expect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigne...
Why should the “PIMPL” idiom be used? [duplicate]
...without a friend declaration.
Because you then don't mix responsibilities: one class implements, one class forwards.
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I've found my software as cracked download on Internet, what to do?
... businesses.
I am always shocked when I see developers are happy that someone thought their software was worth stealing. I mean, didn't you already know that? Why else would you spend time creating it if you didn't think it was worth anything?
I'd wager you would not say, "Wow, I had some great st...
How do you convert an entire directory with ffmpeg?
...`echo "$i" | cut -d'.' -f1`
echo "$name"
ffmpeg -i "$i" "${name}.mov"
done
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Check if an image is loaded (no errors) with jQuery
...thumbnails contained in a unordered list. When the image is loaded it does one thing, when an error occurs it does something else. I'm using jQuery load() and error() methods as events. After these events I check the image DOM element for the .complete to make sure the image wasn't already load...
Which is faster : if (bool) or if(int)?
...on, I think you're skipping the interesting part. Why does it use cmpl for one and cmpb for the other?
– jalf
Apr 23 '11 at 15:35
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