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How to generate a number of most distinctive colors in R?

I am plotting a categorical dataset and want to use distinctive colors to represent different categories. Given a number n , how can I get n number of MOST distinctive colors in R? Thanks. ...
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Formatting code in Notepad++

Is there a keyboard shortcut to format code in Notepad++ ? I'm mainly working with HTML, CSS and Python code. 12 Answers ...
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pandas GroupBy columns with NaN (missing) values

I have a DataFrame with many missing values in columns which I wish to groupby: 9 Answers ...
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Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6

I'm using Xcode 6 Beta 3, iOS 8 SDK. Build Target iOS 7.0 using Swift. Please refer to my problem step by step with screenshots below. ...
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Safe String to BigDecimal conversion

I'm trying to read some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it? ...
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Paging UICollectionView by cells, not screen

I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops. ...
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ExecutorService, how to wait for all tasks to finish

What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this: ...
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(Mac) -bash: __git_ps1: command not found

I'm trying to change my command promt in terminal. I keep getting the error: 19 Answers ...
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Difference between MEAN.js and MEAN.io

...ntage of this confusion. He bought the domain MEAN.io and put some code at https://github.com/linnovate/mean They luckily received a lot of publicity, and theree are more and more articles and video about MEAN. When you Google "mean framework", mean.io is the first in the list. Unfortunately the c...
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How do I quickly rename a MySQL database (change schema name)?

The MySQL manual at MySQL covers this. 48 Answers 48 ...