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How to format a number as percentage in R?

One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing. 10 Answe...
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Count the number of commits on a Git branch

I found this answer already: Number of commits on branch in git but that assumes that the branch was created from master. ...
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Can iterators be reset in Python?

...n I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file. ...
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From inside of a Docker container, how do I connect to the localhost of the machine?

So I have a Nginx running inside a docker container, I have a mysql running on localhost, I want to connect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine. ...
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Git Tag list, display commit sha1 hashes

so the git tag command lists the current git tags 8 Answers 8 ...
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Inputting a default image in case the src attribute of an html is not valid?

Is there any way to render a default image in an HTML <img> tag, in case the src attribute is invalid (using only HTML)? If not, what would be your lightweight way to work around it? ...
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How dangerous is it to compare floating point values?

I know UIKit uses CGFloat because of the resolution independent coordinate system. 11 Answers ...
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Why doesn't std::queue::pop return value.?

I went through this page but I am not able to get the reason for the same . There it is mentioned that 7 Answers ...
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Rails mapping array of hashes onto single hash

I have an array of hashes like so: 4 Answers 4 ...
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Hidden features of C

I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time. ...