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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 do I pick randomly from an array?
I want to know if there is a much cleaner way of doing this. Basically, I want to pick a random element from an array of variable length. Normally, I would do it like this:
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Get the generated SQL statement from a SqlCommand object?
I have the following code:
23 Answers
23
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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
There are several questions on StackOverflow regarding offsetWidth / clientWidth / scrollWidth (and -Height , respectively), but none give comprehensive explanation of what those values are.
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How do you set the max number of characters for an EditText in Android?
How do you set the max number of characters for an Android EditText input? I see setMaxLines, setMaxEMS, but nothing for the number of characters.
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case-insensitive list sorting, without lowercasing the result?
I have a list of strings like this:
8 Answers
8
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
I've looked at a number of similar questions and so I'm demonstrating that I've checked the basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-)
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Log all requests from the python-requests module
I am using python Requests . I need to debug some OAuth activity, and for that I would like it to log all requests being performed. I could get this information with ngrep , but unfortunately it is not possible to grep https connections (which are needed for OAuth )
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Install a module using pip for specific python version
On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
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Platform independent size_t Format specifiers in c?
I want to print out a variable of type size_t in C but it appears that size_t is aliased to different variable types on different architectures. For example, on one machine (64-bit) the following code does not throw any warnings:
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