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Why do enum permissions often have 0, 1, 2, 4 values?

Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ? 7 Answers ...
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How to change plot background color?

...an use set_facecolor: ax.set_facecolor('xkcd:salmon') ax.set_facecolor((1.0, 0.47, 0.42)) As a refresher for what colors can be: matplotlib.colors Matplotlib recognizes the following formats to specify a color: an RGB or RGBA tuple of float values in [0, 1] (e.g., (0.1, 0.2, 0....
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Is there a way to 'uniq' by column?

... delimiter -k1,1 for the key field 1 Test result: overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0 stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1 share | ...
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Is there a printf converter to print in binary format?

...Y_PATTERN "%c%c%c%c%c%c%c%c" #define BYTE_TO_BINARY(byte) \ (byte & 0x80 ? '1' : '0'), \ (byte & 0x40 ? '1' : '0'), \ (byte & 0x20 ? '1' : '0'), \ (byte & 0x10 ? '1' : '0'), \ (byte & 0x08 ? '1' : '0'), \ (byte & 0x04 ? '1' : '0'), \ (byte & 0x02 ? '1' : '0...
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How to change line width in ggplot?

... theme(axis.text.x = element_text( colour = 'black', angle = 90, size = 13, hjust = 0.5, vjust = 0.5),axis.title.x=element_blank()) + ylab("FSI (%Change)") + theme(axis.text.y = element_text(colour = 'black', size = 12), axis.title.y = element_text(size = 12...
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Extracting text OpenCV

... 10 Answers 10 Active ...
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How to access the local Django webserver from outside world

...o successfully run it using python manage.py runserver . If I access 127.0.0.1:port locally from the webserver, I get the Django page indicating it worked. ...
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BestPractice - Transform first character of a string into lower case

... 240 I would use simple concatenation: Char.ToLowerInvariant(name[0]) + name.Substring(1) The firs...
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Transparent ARGB hex value

... 205 Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF h...
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Hidden Features of JavaScript? [closed]

...function's arguments array-like object. function sum() { var retval = 0; for (var i = 0, len = arguments.length; i < len; ++i) { retval += arguments[i]; } return retval; } sum(1, 2, 3) // returns 6 ...