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How to connect android emulator to the internet
...tor to the internet, e.g. to use the browser? I've found lots of advice on what do to when your connected through a proxy, but that's not the case here, my machine (Windows 7) is directly connected to the router.
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Async/Await vs Threads
...acks is quite difficult, await greatly simplifies it.
capable of doing what ever a Thread can do asynchronously ?
Roughly. Await just takes care of dealing with the delay, it doesn't otherwise do anything that a thread does. The await expression, what's at the right of the await keyword, is ...
Find size of Git repository
What's a simple way to find the size of my Git repository?
8 Answers
8
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What's the best way to use R scripts on the command line (terminal)?
...her than a system-wide/default Rscript (which may not be installed in /usr/whatever). I would recommend using env for R and Rscript stuff, since these in particular may not be installed in standard places. (Ordinary bash scripts however can typically safely always use #!/bin/bash.)
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Run cron job only if it isn't already running
...hrough a couple of cron tutorials and couldn't find anything that would do what I'm looking for...
16 Answers
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How do I duplicate a whole line in Emacs?
...ed to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least number of commands to perform this in Emacs?
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How to fix homebrew permissions?
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@fijiaaron So what would be a better solution?
– juil
Jun 16 '15 at 23:27
50
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What does (angle brackets) mean in Java?
...urrently studying Java and have recently been stumped by angle brackets(). What exactly do they mean?
6 Answers
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Dynamically select data frame columns using $ and a character value
... a symbol that needs to be matched, not evaluated.
*/
Second argument? What?! You have to realise that $, like everything else in R, (including for instance ( , + , ^ etc) is a function, that takes arguments and is evaluated. df$V1 could be rewritten as
`$`(df , V1)
or indeed
`$`(df , "V1")
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How to remove the default link color of the html hyperlink 'a' tag?
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… will cause the element to take on the colour of its parent (which is what I think you are looking for).
A live demo follows:
a {
color: inherit;
}
<p>The default color of the html element is black. The default colour of the body and of a paragraph is inherited. This
<a href="...