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Comment out text in R Markdown (Rmd file)
In an R Markdown ( .Rmd ) file, how do you comment out unused text? I'm not referring to the text in the R code chunk, but the general texts, like % in LaTex for example.
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Why is \r a newline for Vim?
From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this
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How can I view all historical changes to a file in SVN
I know that I can svn diff -r a:b repo to view the changes between the two specified revisions. What I'd like is a diff for every revision that changed the file. Is such a command available?
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Exception handling in R [closed]
Does anyone have examples/tutorials of exception handling in R? The official documentation is very terse.
5 Answers
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Is there a regular expression to detect a valid regular expression?
Is it possible to detect a valid regular expression with another regular expression? If so please give example code below.
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
I am developing an Android Application where I'm using Google Map API v2. I need to show the user location on a map with custom markers.
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
I have been using the Spring RestTemplate for a while and I consistently hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
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How to set the text color of TextView in code?
In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
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How to escape a JSON string containing newline characters using JavaScript?
I have to form a JSON string in which a value is having new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery.
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Secondary axis with twinx(): how to add to legend?
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