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How to make graphics with transparent background in R using ggplot2?

... Updated with the theme() function, ggsave() and the code for the legend background: df <- data.frame(y = d, x = 1, group = rep(c("gr1", "gr2"), 50)) p <- ggplot(df) + stat_boxplot(aes(x = x, y = y, color = group), fill = "transparent" # for the inside of th...
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When should we implement Serializable interface?

... why one would use JSON when MsgPack, Avro, Thrift, or Protobuf are better for IO transfer. – OneCricketeer Apr 23 '18 at 2:51 ...
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if, elif, else statement issues in Bash

... found (or similar) is that after seeing if and then, the shell is looking for either elif, else, or fi. However it finds another then (after the mis-formatted elif[). Only after having parsed the statement it would be executed (and an error message like elif[: command not found would be output). ...
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Using IPython notebooks under version control

What is a good strategy for keeping IPython notebooks under version control? 22 Answers ...
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Git On Custom SSH Port

... This does work however Chris Johnsen correction allows for a clean url when using custom port numbers – ryanzec Apr 24 '11 at 11:34 6 ...
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Git merge errors

... shared your previous master branch with anyone, this will create problems for them, since if the history of the two branches diverged, you'll be publishing rewritten history. Essentially what you want to do is to merge your topic branch 9-sign-in-out into master but exactly keep the versions of th...
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See what process is using a file in Mac OS X

...f open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being used instead of the debug version and I'd like to see which process is touching it. ...
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git - Your branch is ahead of 'origin/master' by 1 commit

...r of operations is: Make your change. git add - this stages your changes for committing git commit - this commits your staged changes locally git push - this pushes your committed changes to a remote If you push without committing, nothing gets pushed. If you commit without adding, nothing gets ...
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What are “decorators” and how are they used?

I'm curious what exactly decorators are in AngularJS. There isn't much information online for decorators save for a blurb in the AngularJS documentation and a brief (albeit interesting) mention in a youtube video . ...
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omp parallel vs. omp parallel for

... I don't think there is any difference, one is a shortcut for the other. Although your exact implementation might deal with them differently. The combined parallel worksharing constructs are a shortcut for specifying a parallel construct containing one worksharing construct ...