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Determine font color based on background color

...n color... double luminance = ( 0.299 * color.R + 0.587 * color.G + 0.114 * color.B)/255; if (luminance > 0.5) d = 0; // bright colors - black font else d = 255; // dark colors - white font return Color.FromArgb(d, d, d); } This was tested for many various colo...
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How to load an ImageView by URL in Android? [closed]

... 717 From Android developer: // show The Image in a ImageView new DownloadImageTask((ImageView) fin...
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UILabel - auto-size label to fit text?

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How can I convert a hex string to a byte array? [duplicate]

...) .Select(x => Convert.ToByte(hex.Substring(x, 2), 16)) .ToArray(); } share | improve this answer | follow | ...
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log4j logging hierarchy order

... | edited Jun 4 '18 at 14:08 answered May 11 '16 at 15:28 ...
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Jackson JSON custom serialization for certain fields

... 108 You can implement a custom serializer as follows: public class Person { public String na...
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How to set up tmux so that it starts up with specified windows opened?

... | edited Dec 7 '18 at 9:59 sshow 7,15233 gold badges4444 silver badges7070 bronze badges answe...
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How do I debug Node.js applications?

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What is the purpose of the : (colon) GNU Bash builtin?

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Twitter bootstrap float div right

... You have two span6 divs within your row so that will take up the whole 12 spans that a row is made up of. Adding pull-right to the second span6 div isn't going to do anything to it as it's already sitting to the right. If you mean you want to have the text in the second span6 div aligned to th...