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Change text color based on brightness of the covered background area?
...ackground-color.. But do you know how to get the average color of an image by running through each pixel (like in a loop)?
– James Cazzetta
Aug 17 '12 at 7:11
4
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Best way to require all files from a directory in ruby?
What's the best way to require all files from a directory in ruby ?
11 Answers
11
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Set transparent background using ImageMagick and commandline prompt
...l from the
picture edges.)
Additionally, the alpha channel is also eroded by half a pixel to avoid halos. Of course, ImageMagick's morphological operations don't (yet?) work at the subpixel level, so you can see I am blowing up the alpha channel to 200% before eroding.
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How to use git merge --squash?
... answered Mar 15 '11 at 8:16
abyxabyx
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How to check if click event is already bound - JQuery
... This isn't exactly a lovely solution, but it would be improved by only unbinding the one handler: .unbind('click', onButtonClicked). See the manual
– lonesomeday
Jun 15 '11 at 17:08
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Running script upon login mac [closed]
...the Program key with your desired command (note that any script referenced by that command must be executable: chmod a+x /path/to/executable/script.sh to ensure it is for all users).
Save as ~/Library/LaunchAgents/com.user.loginscript.plist
Run launchctl load ~/Library/LaunchAgents/com.user.logins...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...the use of clock_gettime(2) instead. @CTT, could you update the example by changing the struct timeval to struct timespec, and gettimeofday(&start, NULL) to clock_gettime(CLOCK_MONOTONIC, &start) so that people don't run into trouble?
– Bobby Powers
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WPF: Setting the Width (and Height) as a Percentage Value
...e grid and let the textboxes auto-fill to their parent cells (as they will by default). Example:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="2*" />
<ColumnDefinition Width="3*" />
</Grid.ColumnDefinitions>
<TextBox Grid.Colu...
How to Execute a Python File in Notepad ++?
... I save it and give it a shortcut combination, but then it won't run just by pressing those keys. What am I doing wrong? I can make it a plugin command and use it when the console window is selected. But that completely defeats the point.
– AlanSE
May 5 '14...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...Try/Catch/Throw的Compiler-Internals-How-Try-Catch-Throw-are-Interprpreted-by-the-Microsoft-Compiler本文不是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如...