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How can I convert an RGB image into grayscale in Python?
...a luma value, but it means you can do it all in matplotlib.
Background:
http://matplotlib.sourceforge.net/api/colors_api.html
http://en.wikipedia.org/wiki/HSL_and_HSV
Alternatively, you could use PIL or the builtin colorsys.rgb_to_yiq() to convert to a colorspace with a true luma value. You co...
Which iomanip manipulators are 'sticky'?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to create a string with format?
I need to create a string with format which can convert int, long, double etc. types into string. Using Obj-C, I can do it via below way.
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jquery-ui sortable | How to get it work on iPad/touchdevices?
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Found a solution (only tested with iPad until now!)!
http://touchpunch.furf.com/content.php?/sortable/default-functionality
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How to write multiple line property value using PropertiesConfiguration?
...hat just relies on backslash + end-of-line. I just found it documented in:
http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html
primes = 2,\
3,\
5,\
7,\
11
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Can I specify multiple users for myself in .gitconfig?
In my ~/.gitconfig , I list my personal email address under [user] , since that's what I want to use for Github repos.
20...
Show pop-ups the most elegant way
...utes but just displayed in modal popup.
The AngularUI bootstrap project (http://angular-ui.github.com/bootstrap/) has an excellent $modal service (used to be called $dialog prior to version 0.6.0) that is an implementation of a service to display partial's content as a modal popup.
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Autocompletion in Vim
In a nutshell, I'm searching for a working autocompletion feature for the Vim editor. I've argued before that Vim completely replaces an IDE under Linux and while that's certainly true, it lacks one important feature: autocompletion.
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How to convert an int value to string in Go?
s is 'E', but what I want is "123"
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How do I check if a string contains a specific word?
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