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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 can I make my own base image for Docker?
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You can take a look at how the base images are created and go from there.
You can find them here: https://github.com/dotcloud/docker/tree/master/contrib.
There is mkimage-busybox.sh, mkimage-unittest.sh, mkimage-debian.sh
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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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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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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 ...
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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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...
'console' is undefined error for Internet Explorer
I'm using Firebug and have some statements like:
21 Answers
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How do I save and restore multiple variables in python?
I need to save about a dozen objects to a file and then restore them later.
I've tried to use a for loop with pickle and shelve but it didn't work right.
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Maven 3 warnings about build.plugins.plugin.version
...ggest a fix. All I needed to do was to go into my POM file for my project, and add the <version> tag as shown above.
To discover the version number, one way is to look in Maven's output after it finishes running. Where you are missing version numbers, Maven will display its default version:
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