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Add legend to ggplot2 line plot
I have a question about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the three colors used. This is the code used
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How to initialize an array in Java?
I am initializing an array like this:
10 Answers
10
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How can I develop for iPhone using a Windows development machine?
Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
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How do I parse JSON in Android? [duplicate]
How do I parse a JSON feed in Android?
3 Answers
3
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Nginx 403 error: directory index of [folder] is forbidden
I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx.
19 Answers
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How can I make a weak protocol reference in 'pure' Swift (without @objc)
weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app.
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How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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How to detect if multiple keys are pressed at once using JavaScript?
I'm trying to develop a JavaScript game engine and I've came across this problem:
13 Answers
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Ember.js or Backbone.js for Restful backend [closed]
I already know that ember.js is a more heavy weight approach in contrast to backbone.js. I read a lot of articles about both.
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When to delete branches in Git?
Suppose we have an application that's stable.
8 Answers
8
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