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Using 'starts with' selector on individual class names
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311
Classes that start with "apple-" plus classes that contain " apple-"
$("div[class^='apple-'],d...
How to check if hex color is “too black”?
...rceived brightness.
Assuming a six character colour:
var c = c.substring(1); // strip #
var rgb = parseInt(c, 16); // convert rrggbb to decimal
var r = (rgb >> 16) & 0xff; // extract red
var g = (rgb >> 8) & 0xff; // extract green
var b = (rgb >> 0) & 0xff;...
Restricting input to textbox: allowing only numbers and decimal point
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How to read last commit comment?
...t show
is the fastest to type, but shows you the diff as well.
git log -1
is fast and simple.
git log -1 --pretty=%B
if you need just the commit message and nothing else.
share
|
improve thi...
How does a UILabel's minimumScaleFactor work?
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answered Mar 4 '13 at 18:40
ScottScott
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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edited Aug 31 '18 at 18:18
Robert Harvey
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Best practices for in-app database migration for Sqlite
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112
I maintain an application that periodically needs to update a sqlite database and migrate old ...
Convert Data URI to File then append to FormData
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14 Answers
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How to check if a string is a valid hex color representation?
...d support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/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...
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...