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Formula to determine brightness of RGB color
...ightness? Luminance?
Luminance (standard for certain colour spaces): (0.2126*R + 0.7152*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^...
How to overload functions in javascript?
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How to send data to local clipboard from a remote SSH session
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Does Ruby have a string.startswith(“abc”) built in method?
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edited Jun 20 at 9:12
Community♦
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answered Nov 9 '10 at 4:48
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Comparing arrays in JUnit assertions, concise built-in way?
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edited Dec 12 '11 at 19:46
answered Nov 19 '10 at 19:06
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Set operations (union, intersection) on Swift array?
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Yes, Swift has the Set class.
let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let ...
Why does setTimeout() “break” for large millisecond delay values?
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This is due to setTimeout using a 32 bit int to store the delay so the max value allowed would...
Dealing with “Xerces hell” in Java/Maven?
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Converting JSON String to Dictionary Not List
...cess your dictionary by accessing item 0 in the list, as shown below:
json1_data = json.loads(json1_str)[0]
Now you can access the data stored in datapoints just as you were expecting:
datapoints = json1_data['datapoints']
I have one more question if anyone can bite: I am trying to take t...
Which maven dependencies to include for spring 3.0?
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edited Aug 9 '12 at 3:28
Yasin Okumuş
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