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Reuse a parameter in String.format?
...rams
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ConnectionTimeout versus SocketTimeout
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RobertRobert
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Scala list concatenation, ::: vs ++
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Zoltán
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answered Jul 2 '11 at 23:15
Daniel C. SobralDan...
How can I remove 3 characters at the end of a string in php?
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Just do:
echo substr($string, 0, -3);
You don't need to use a strlen call, since, as noted in the substr docs:
If length is given and is negative, then that many characters will be omitted from the end of string
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optional parameters in SQL Server stored proc?
I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is possible here?
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Android: alternate layout xml for landscape mode
...amp-landscape-differeent-layouts and http://www.devx.com/wireless/Article/40792/1954 for some more options.
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How to add multi line comments in makefiles
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answered Dec 20 '10 at 20:10
Eric MelskiEric Melski
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
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130
It appears that the first example
x = new Array(3);
Creates an array with undefined pointers....
What's the best way to set a single pixel in an HTML5 canvas?
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var d = id.data; // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect...
Rails find record with zero has_many records associated [duplicate]
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Bah, found it here: https://stackoverflow.com/a/5570221/417872
City.includes(:photos).where(photos: { city_id: nil })
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