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How to check if hex color is “too black”?
...rceived brightness.
Assuming a six character colour:
var c = c.substring(1); // strip #
var rgb = parseInt(c, 16); // convert rrggbb to decimal
var r = (rgb >> 16) & 0xff; // extract red
var g = (rgb >> 8) & 0xff; // extract green
var b = (rgb >> 0) & 0xff;...
Using 'starts with' selector on individual class names
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311
Classes that start with "apple-" plus classes that contain " apple-"
$("div[class^='apple-'],d...
Python string.join(list) on object array rather than string array
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441
You could use a list comprehension or a generator expression instead:
', '.join([str(x) for x i...
How to stop a JavaScript for loop?
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196
To stop a for loop early in JavaScript, you use break:
var remSize = [],
szString,
r...
How can I recover a lost commit in Git?
...n in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
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How to check if a string is a valid hex color representation?
...d support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/i.test('#ABC')
The only difference here is that
[0-9A-F]{6}
is replaced with
([0-9A-F]{3}){1,2}
This means that instead of matching exactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Al...
Restricting input to textbox: allowing only numbers and decimal point
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
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153
I think when the type is very well-known amongst the co-programmers who work (or would work) i...
Convert Data URI to File then append to FormData
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Linq order by boolean
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178
That should work fine - it should order the entities with a false foo value first, then those ...