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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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Transactions in REST?
I'm wondering how you'd implement the following use-case in REST. Is it even possible to do without compromising the conceptual model?
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How does one write code that best utilizes the CPU cache to improve performance?
This could sound like a subjective question, but what I am looking for are specific instances, which you could have encountered related to this.
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Is it possible to change icons in Visual Studio 2012?
Is there any way to replace VS2012 solution explorer's icons with VS2010 ones? At least 'folder' icon :(
4 Answers
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Python __str__ versus __unicode__
Is there a python convention for when you should implement __str__() versus __unicode__() . I've seen classes override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it ne...
Why is it bad style to `rescue Exception => e` in Ruby?
Ryan Davis’s Ruby QuickRef says (without explanation):
6 Answers
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How to filter SQL results in a has-many-through relation
Assuming I have the tables student , club , and student_club :
13 Answers
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How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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What does the CSS rule “clear: both” do?
What does the following CSS rule do:
5 Answers
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Should I return a Collection or a Stream?
Suppose I have a method that returns a read-only view into a member list:
9 Answers
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