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Is unsigned integer subtraction defined behavior?
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107
The result of a subtraction generating a negative number in an unsigned type is well-defined:
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How to calculate the number of days between two dates? [duplicate]
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581
const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new ...
Convert UTC to local time in Rails 3
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113
Rails has its own names. See them with:
rake time:zones:us
You can also run rake time:zones...
Why is DarkGray lighter than Gray?
...dia on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (50% gray). However, in X11, "gray" was
assigned to the 190 triplet (74.5%), which is close to W3C "Silver"...
contenteditable, set caret at the end of the text (cross-browser)
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placeCaretAtEnd( document.querySelector('p') );
p{ padding:.5em; border:1px solid black; }
<p contentEditable>foo bar </p>
Placing the caret at the start is almost identical: it just requires changing the Boolean passed into the calls to collapse(). Here's an example that crea...
How to see if an NSString starts with a certain other string?
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answered Oct 28 '11 at 20:43
CyrilleCyrille
24.1k1212 gold badges6060 silver badges8787 bronze badges
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Immediate Child selector in LESS
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144
UPDATE
Actually, the code in the original question works fine. You can just stick with the &g...
warning: [options] bootstrap class path not set in conjunction with -source 1.5
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102
From a blog post:
To use javac from JDK N to cross-compiler to an older platform version, ...
How to escape a single quote inside awk
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163
This maybe what you're looking for:
awk 'BEGIN {FS=" ";} {printf "'\''%s'\'' ", $1}'
That i...