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ggplot2 keep unused levels barplot

...ot(df, aes(x=group, y=Freq, fill=type)) + geom_bar(position="dodge", stat="identity") + facet_wrap( ~ plot, scales="free") Results in this: The last one is the most informative as space is taken up by the categories there count = 0 ...
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Difference between Iterator and Listiterator?

... point, should it be phrased like "obtain the iterator at any point" to avoid confusion ? – Shailesh Pratapwar Aug 27 '15 at 17:58 ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

... var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); 扩展App Inventor:具...
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Regular expression: find spaces (tabs/space) but not newlines

... As @Eiríkr Útlendi noted, the accepted solution only considers two white space characters: the horizontal tab (U+0009), and a breaking space (U+0020). It does not consider other whitespace characters such as non-breaking spaces (which happen to be in the text I am trying to deal w...
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How to set the maxAllowedContentLength to 500MB while running on IIS7?

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How can I use vim to convert my file to utf8?

...The reason is that if you don't set fileencoding, the :w ++enc=utf-8 is valid one time, but next time you run :w, the value of 'fileencoding' will be used, and if you haven't changed it (explicitly while editing, or by reloading the file, hoping that 'fencs' is set appropriately and the actual encod...
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warning about too many open figures

...f or .cla on your figure object instead of creating a new figure. From @DavidZwicker Assuming you have imported pyplot as import matplotlib.pyplot as plt plt.cla() clears an axis, i.e. the currently active axis in the current figure. It leaves the other axes untouched. plt.clf() clears the enti...
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How to have Emacs auto-refresh all buffers when files have changed on disk?

...buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file? 3 Answers ...
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jQuery equivalent of JavaScript's addEventListener method

... and why they dont support event capturing ? what are the downsides of event capturing ? – Aakash Sep 9 '15 at 16:34 2 ...
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Using the Underscore module with Node.js

...de v6 supports assigning to _ in the REPL. – John-David Dalton Nov 24 '16 at 15:37 add a comment  |  ...