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How to compare two colors for similarity/difference
I want to design a program that can help me assess between 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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How to select a CRAN mirror in R
I'm trying to install a package through the R prompt by doing the following:
11 Answers
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Get type of all variables
In R, I'd like to retrieve a list of global variables at the end of my script and iterate over them. Here is my code
6 Answ...
R memory management / cannot allocate vector of size n Mb
I am running into issues trying to use large objects in R. For example:
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How do I install an R package from source?
A friend sent me along this great tutorial on webscraping NYtimes with R . I would really love to try it. However, the first step is to installed a package called RJSONIO from source.
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What is the easiest way in C# to trim a newline off of a string?
I want to make sure that _content does not end with a NewLine character:
10 Answers
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Can I change the Android startActivity() transition animation?
I am starting an activity and would rather have a alpha fade-in for startActivity() , and a fade-out for the finish() . How can I go about this in the Android SDK?
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The Ruby %r{ } expression
In a model there is a field
5 Answers
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How to find out which package version is loaded in R?
I am in a process of figuring out how to use my university cluster. It has 2 versions of R installed. System wide R 2.11 (Debian 6.0) and R 2.14.2 in non-standard location.
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How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
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