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Automatically plot different colored lines

I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
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Is there any way to use a numeric type as an object key?

It seems that when I use a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work. ...
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Get element inside element by class and ID - JavaScript

Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this: ...
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How can I sharpen an image in OpenCV?

How can I sharpen an image using OpenCV ? 9 Answers 9 ...
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How to create a circular ImageView in Android? [duplicate]

How could I create a rounded ImageView in Android? 1 Answer 1 ...
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Two statements next to curly brace in an equation

How can I write an equation with one curly brace ( { ), and on the right-hand side next to the curly, two statements in two different lines? ...
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How to delete multiple values from a vector?

I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5 8 Answers ...
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.NET JIT potential error?

The following code gives different output when running the release inside Visual Studio, and running the release outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1. ...
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Creating a blurring overlay view

In the Music app of the new iOS, we can see an album cover behind a view that blurs it. 25 Answers ...
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What does the “yield” keyword do?

What is the use of the yield keyword in Python, and what does it do? 42 Answers 42 ...