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Emulate ggplot2 default color palette

What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors: ...
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CSS Input with width: 100% goes outside parent's bound

I am trying to make a login form constituted of two input fields with an inset padding, but those two fields always end up exceeding its parent's boundaries; the issue stems from the added inset padding. What could be done in order to rectify this issue? ...
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How does this CSS produce a circle?

... How does a border of 180 pixels with height/width-> 0px become a circle with a radius of 180 pixels? Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source):...
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Bootstrap 3 modal vertical position center

This is a two part question: 34 Answers 34 ...
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Custom events in jQuery?

I'm looking for some input on how to implement custom eventhandling in jquery the best way. I know how to hook up events from the dom elements like 'click' etc, but I'm building a tiny javascript library/plugin to handle some preview functionality. ...
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What are file descriptors, explained in simple terms?

... In simple words, when you open a file, the operating system creates an entry to represent that file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS ...
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Responsive iframe using Bootstrap

I am using Bootstrap. 6 Answers 6 ...
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SQL JOIN and different types of JOINs

What is a SQL JOIN and what are different types? 6 Answers 6 ...
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Vagrant reverse port forwarding?

...en you run vagrant ssh, it's actually using this underlying command: ssh -p 2222 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -o IdentitiesOnly=yes -i ~/.vagrant.d/insecure_private_key vagrant@127.0.0.1 SSH supports forwarding ports in the direction you want with t...
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How do I create a random alpha-numeric string in C++?

I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string. ...