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Joining three tables using MySQL
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answered Sep 14 '10 at 14:11
raisynraisyn
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Formula to determine brightness of RGB color
...2*G + 0.0722*B) [1]
Luminance (perceived option 1): (0.299*R + 0.587*G + 0.114*B) [2]
Luminance (perceived option 2, slower to calculate): sqrt( 0.241*R^2 + 0.691*G^2 + 0.068*B^2 ) → sqrt( 0.299*R^2 + 0.587*G^2 + 0.114*B^2 ) (thanks to @MatthewHerbst) [3]
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How can I parse a YAML file from a Linux shell script?
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Community♦
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answered Jan 17 '14 at 15:03
Stefan FarestamStefan Farestam
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How do I get the value of a textbox using jQuery?
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Spencer RuportSpencer Ruport
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How to get just the responsive grid from Bootstrap 3?
...inaChristina
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How to override equals method in Java
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answered Nov 18 '11 at 10:25
KimKim
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How to delete SQLite database from Android programmatically
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Eric Leschinski
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answered Dec 12 '10 at 2:14
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Laravel 4 Eloquent Query Using WHERE with OR AND OR?
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How to assert greater than using JUnit Assert?
... yshavityshavit
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Can I have multiple primary keys in a single table?
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