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Change text color based on brightness of the covered background area?
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Interesting resources for this:
W3C - Ensure that foreground and background color combinations provide sufficient contrast
Calculating the Perceived Brightness of a Color
Here's the W3C algorithm (with JSFiddle demo too):
const rgb = [255, 0, 0];
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How do I resolve cherry-pick conflicts using their changes?
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answered Jan 15 '13 at 14:12
elhadi dp ıpɐɥןǝelhadi dp ıpɐɥןǝ
3,73511 gold badge2424 silver badges3030 bronze badges
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Copy table without copying data
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AndomarAndomar
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git: How to diff changed files versus previous versions after a pull?
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3 Answers
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What's the difference between Sender, From and Return-Path?
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3 Answers
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Mercurial: Can I rename a branch?
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edited Nov 30 '11 at 17:57
answered Aug 30 '11 at 14:54
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How find all unused classes in Intellij Idea?
...s, variables etc. Only classes. (it is difficult to find only classes in 3000 result list). How I can do that?
4 Answers
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jQuery append() vs appendChild()
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edited Apr 10 '13 at 13:01
answered Apr 10 '13 at 12:53
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How to check whether a string is Base64 encoded or not
... if a string is base64 encoded or not:
^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)?$
In base64 encoding, the character set is [A-Z, a-z, 0-9, and + /]. If the rest length is less than 4, the string is padded with '=' characters.
^([A-Za-z0-9+/]{4})* means the string starts with 0 ...