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Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answ...
How do I output text without a newline in PowerShell?
I want my PowerShell script to print something like this:
18 Answers
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Difference between DateTime and Time in Ruby
What's the difference between DateTime and Time classes in Ruby and what factors would cause me to choose one or the other?
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how to draw smooth curve through N points using javascript HTML5 canvas?
For a drawing application, I'm saving the mouse movement coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points?
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Why do people say there is modulo bias when using a random number generator?
I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++.
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
I'm having a really frustrating issue: Rake is being dumb.
19 Answers
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Have a fixed position div that needs to scroll if content overflows
I have actually two issues, but lets resolve the primary issue first as I believe the other is easier to address.
5 Answers...
Make xargs execute the command once for each line of input
How can I make xargs execute the command exactly once for each line of input given?
It's default behavior is to chunk the lines and execute the command once, passing multiple lines to each instance.
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How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
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