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Is it possible to add dynamically named properties to JavaScript object?
...A': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
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nathannathan
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How to remove selected commit log entries from a Git repository while keeping their changes?
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274
git-rebase(1) does exactly that.
$ git rebase -i HEAD~5
git awsome-ness [git rebase --intera...
General guidelines to avoid memory leaks in C++ [closed]
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40
Instead of managing memory manually, try to use smart pointers where applicable.
Take a look at...
Why does Decimal.Divide(int, int) work, but not (int / int)?
...ing at least one of the arguments to a floating-point type, e.g.:
int a = 42;
int b = 23;
double result = (double)a / b;
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Best way to iterate through a Perl array
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In terms of speed: #1 and #4, but not by much in most instances.
You could write a benchmark to confirm, but I suspect you'll find #1 and #4 to be slightly faster because the iteration work is done in C instead of Perl, and no needless copying of the ...
How to implement the factory method pattern in C++ correctly
...isadvantage is that it looks a bit verbose:
Vec2 v2(Vec2::Cartesian(3.0f, 4.0f));
But the good thing is that you can immediately see what coordinate type you're using, and at the same time you don't have to worry about copying. If you want copying, and it's expensive (as proven by profiling, of c...
C++ equivalent of StringBuffer/StringBuilder?
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54
NOTE this answer has received some attention recently. I am not advocating this as a solution (i...
How to find the Windows version from the PowerShell command line
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