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Painless way to install a new version of R?

...on your computer. install.packages("thepackage",lib="/path/to/directory/with/libraries") You can change the default .Library value using the function .libPaths too .libPaths("/path/to/directory/with/libraries") This will put this path as a first value in the .Library variable, and will make i...
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Proper way to rename solution (and directories) in Visual Studio

I have a rather involved Visual Studio solution (2010, but it shouldn't matter) that I need to rename. 18 Answers ...
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Changing navigation title programmatically

I have a navigation bar with a title. When I double click the text to rename it, it actually says it's a navigation item, so it might be that. ...
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Change color of PNG image via CSS?

Given a transparent PNG displaying a simple shape in white, is it possible to somehow change the color of this through CSS? Some kind of overlay or what not? ...
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python: How do I know what type of exception occurred?

...standing when you can break the "rule". Here is an explanation. Basically, it's so that you don't hide: the fact that an error occurred the specifics of the error that occurred (error hiding antipattern) So as long as you take care to do none of those things, it's OK to catch the generic except...
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SQLite DateTime comparison

I can't seem to get reliable results from the query against a sqlite database using a datetime string as a comparison as so: ...
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Check if bash variable equals 0 [duplicate]

I have a bash variable depth and I would like to test if it equals 0. In case yes, I want to stop executing of script. So far I have: ...
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What purpose does a tag serve inside of a tag?

I've been on a "view source" spree lately on websites with interesting design and content. One of those websites, Squarespace , has blocks of <script> tags inside of a <noscript> tag, like so: ...
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Get person's age in Ruby

I'd like to get a person's age from its birthday. now - birthday / 365 doesn't work, because some years have 366 days. I came up with the following code: ...
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Can I change all my http:// links to just //?

... I tested it thoroughly before publishing. Of all the browsers available to test against on Browsershots, I could only find one that did not handle the protocol relative URL correctly: an obscure *nix browser called Dillo. There are ...