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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
22
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How to paste text to end of every line? Sublime 2
...
Let's say you have these lines of code:
test line one
test line two
test line three
test line four
Using Search and Replace Ctrl+H with Regex let's find this: ^ and replace it with ", we'll have this:
"test line one
"test line two
"test line three
"test line four
Now le...
String.equals versus == [duplicate]
... on that.
if (usuario.equals(datos[0])) {
...
}
NB: the compare is done on 'usuario' because that's guaranteed non-null in your code, although you should still check that you've actually got some tokens in the datos array otherwise you'll get an array-out-of-bounds exception.
...
Why start an ArrayList with an initial capacity?
... is achieved by having each reallocation increase the size of the array exponentially, typically by a factor of 1.5. With this approach, the total number of operations can be shown to be O(n).
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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...
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...
When to use virtual destructors?
I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answe...
xkcd style graphs in MATLAB
...,[0.8 0.65],...
'string',sprintf('text%shere',char(10)),'headStyle','none','lineWidth',1.5,...
'fontName','Comic Sans MS','fontSize',14,'verticalAlignment','middle','horizontalAlignment','left')
%# capture with export_fig
im = export_fig('-nocrop',fh);
%# add a bit of border to avoid bla...
Is 'switch' faster than 'if'?
... optimizations a compiler can make on a switch. I don't think the oft-mentioned "jump-table" is a very useful one though, as it only works when the input can be bounded some way.
C Pseudocode for a "jump table" would be something like this -- note that the compiler in practice would need to insert ...
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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