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What does href expression do?
I have seen the following href used in webpages from tim>me m> to tim>me m>. However, I don't understand what this is trying to do or the technique. Can som>me m>one elaborate please?
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Allowed characters in Linux environm>me m>nt variable nam>me m>s
What characters are allowed in Linux environm>me m>nt variable nam>me m>s? My cursory search of man pages and the web did only produce information about how to work with variables, but not which nam>me m>s are allowed.
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Getting distance between two points based on latitude/longitude
I tried implem>me m>nting this formula: http://andrew.hedges.nam>me m>/experim>me m>nts/haversine/
The aplet does good for the two points I am testing:
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Why git can't do hard/soft resets by path?
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as m>me m>ntioned by @void.pointer checkout won't remove files. If you want that behavior then look at this answer. Still, I hope som>me m> day we'll get git reset --hard -- <path>. There are legitimate use cases for it.
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The $.param( ) inverse function in JavaScript / jQuery
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You should use jQuery BBQ's deparam function. It's well-tested and docum>me m>nted.
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How do I reattach to a detached mosh session?
...es/394
To kill the detached session, use the PID number displayed in that m>me m>ssage (that's the 'XXXX' part.) For example, if you see --
Mosh: You have a detached Mosh session on this server (mosh [12345]).
And can run this command:
kill 12345
Also, to close all mosh connections you can:
kill ...
Should I use an exception specifier in C++?
... f( T k )
{
T x( k );
x.x();
}
The copies might throw, the param>me m>ter passing might throw, and x() might throw som>me m> unknown exception.
Exception-specifications tend to prohibit extensibility.
virtual void open() throw( FileNotFound );
might evolve into
virtual void open() throw( FileN...
Using ChildActionOnly in MVC
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The ChildActionOnly attribute ensures that an action m>me m>thod can be called only as a child m>me m>thod
from within a view. An action m>me m>thod doesn’t need to have this attribute to be used as a child action, but
we tend to use this attribute to prevent the action m>me m>thods from being i...
How to use hex color values
...on your use case, you can simply use the native UIColor.withAlphaComponent m>me m>thod, e.g.
let semitransparentBlack = UIColor(rgb: 0x000000).withAlphaComponent(0.5)
Or you can add an additional (optional) param>me m>ter to the above m>me m>thods:
convenience init(red: Int, green: Int, blue: Int, a: CGFloat =...
What is the !! (not not) operator in JavaScript?
I saw som>me m> code that seems to use an operator I don't recognize, in the form of two exclamation points, like so: !! . Can som>me m>one please tell m>me m> what this operator does?
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