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ggplot2 keep unused levels barplot
I want to plot unused levels (that is, levels where the count is 0) in my bar-plot, however, unused levels are dropped and I cannot figure out how to keep them
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Difference between Iterator and Listiterator?
We can use Iterator to traverse a Set or a List or a Map . But ListIterator can only be used to traverse a List , it can't traverse a Set . Why?
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Difference between Select Unique and Select Distinct
I thought these were synonomous, but I wrote the following in Microsoft SQL:
5 Answers
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Regular expression: find spaces (tabs/space) but not newlines
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answered Aug 27 '10 at 10:03
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How to set the maxAllowedContentLength to 500MB while running on IIS7?
I changed the maxAllowedContentLength to
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How can I use vim to convert my file to utf8?
I have a text file. I've been told to make it UTF8. How can I do that with Vim?
2 Answers
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jQuery equivalent of JavaScript's addEventListener method
I'm trying to find the jQuery equivalent of this JavaScript method call:
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Using the Underscore module with Node.js
I've been learning about node.js and modules, and can't seem to get the Underscore library to work properly... it seems that the first time I use a function from Underscore, it overwrites the _ object with the result of my function call. Anyone know what's going on? For example, here is a session ...
How do I change the default author and committer in the Eclipse Git plugin?
I am using the Git plugin for Eclipse. I have several authors and committers which are displayed when I start typing in those fields.
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Qt: How do I handle the event of the user pressing the 'X' (close) button?
I am developing an application using Qt. I don't know which slot corresponds to the event of "the user clicking the 'X'(close) button of the window frame" i.e. this button:
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