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CSS hexadecimal RGBA?

...and 8-digit hexadecimal RGBA notation! Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somewhat near fut...
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Gem::LoadError for mysql2 gem, but it's already in Gemfile

... with rails 4.1.5) try using this version of mysql2: gem 'mysql2', '~> 0.3.18' Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run: ...
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How do you use NSAttributedString?

...DK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta . 15 Answers ...
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How to reorder data.table columns (without copying)

...ta.table(a = 1:3, b = 3:1, c = runif(3)) x # a b c # [1,] 1 3 0.2880365 # [2,] 2 2 0.7785115 # [3,] 3 1 0.3297416 setcolorder(x, c("c", "b", "a")) x # c b a # [1,] 0.2880365 3 1 # [2,] 0.7785115 2 2 # [3,] 0.3297416 1 3 From ?setcolorder: In data.table parlance, all s...
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Given an array of numbers, return array of products of all other numbers (no division)

... 260 An explanation of polygenelubricants method is: The trick is to construct the arrays (in the c...
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How do I verify that an Android apk is signed with a release certificate?

... | edited Jan 27 '17 at 20:05 Eugene 1,59211 gold badge1111 silver badges3131 bronze badges answered Au...
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Where is the WPF Numeric UpDown control?

... 50 Simply use the IntegerUpDown control in the xtended wpf toolkit You can use it like this: Add ...
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Python division

I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to: ...
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Path to Powershell.exe (v 2.0)

Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder: ...
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Label points in geom_point

...our="green", label=Name))+ geom_point() +geom_text(aes(label=Name),hjust=0, vjust=0) EDIT: Label only values above a certain threshold: ggplot(nba, aes(x= MIN, y= PTS, colour="green", label=Name))+ geom_point() + geom_text(aes(label=ifelse(PTS>24,as.character(Name),'')),hjust=0,vjust...