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Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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How to remove newlines from beginning and end of a string?
...thod to get rid of whitespaces (spaces, new lines etc.) from the beginning and end of the string.
String trimmedString = myString.trim();
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
How to load a UIView using a nib file created with Interface Builder
...ccess to later. --MyView
2) in the UIViewController that you want to load and handle the nib, create an IBOutlet property that will hold the loaded nib's view, for instance
in MyViewController (a UIViewController subclass)
@property (nonatomic, retain) IBOutlet UIView *myViewFromNib;
(dont ...
How to split a string, but also keep the delimiters?
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You can use Lookahead and Lookbehind. Like this:
System.out.println(Arrays.toString("a;b;c;d".split("(?<=;)")));
System.out.println(Arrays.toString("a;b;c;d".split("(?=;)")));
System.out.println(Arrays.toString("a;b;c;d".split("((?<=;)|(?=;...
No “pull” in Git Gui?
How can I make a pull using Git GUI tool? It seems there is no pull command anywhere.
3 Answers
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How to remove all debug logging calls before building the release version of an Android app?
...ctivate any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist :
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'console' is undefined error for Internet Explorer
I'm using Firebug and have some statements like:
21 Answers
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Regular expression that matches valid IPv6 addresses
...ular expressions, so I wrote one that works with POSIX regular expressions and PERL regular expressions.
It should match:
IPv6 addresses
zero compressed IPv6 addresses (section 2.2 of rfc5952)
link-local IPv6 addresses with zone index (section 11 of rfc4007)
IPv4-Embedded IPv6 Address (section 2 ...
jquery data selector
...e created a new data selector that should enable you to do nested querying and AND conditions. Usage:
$('a:data(category==music,artist.name==Madonna)');
The pattern is:
:data( {namespace} [{operator} {check}] )
"operator" and "check" are optional. So, if you only have :data(a.b.c) it will si...