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What is a word boundary in regex?

...g Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matchi...
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How can I get a list of Git branches, ordered by most recent commit?

...e the "freshest" branch is the one that's been committed to most recently (and is, therefore, more likely to be one I want to pay attention to). ...
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Clearing a string buffer/builder after loop

... Ah, I think sb.setLength(0); is cleaner and more efficient than declaring it inside the loop. Your solution goes against the performance benefit of using StringBuffer... – Jon Feb 11 '10 at 5:38 ...
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'printf' vs. 'cout' in C++

What is the difference between printf() and cout in C++? 16 Answers 16 ...
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Java code for getting current time [duplicate]

... Both new java.util.Date() and System.currentTimeMillis() will give you current system time. share | improve this answer | f...
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How can I ssh directly to a particular directory?

I often have to login to one of several servers and go to one of several directories on those machines. Currently I do something of this sort: ...
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How can I set the default timezone in node.js?

... TZ environment variable before calling any date functions. Just tested it and it works. > process.env.TZ = 'Europe/Amsterdam' 'Europe/Amsterdam' > d = new Date() Sat, 24 Mar 2012 05:50:39 GMT > d.toLocaleTimeString() '06:50:39' > ""+d 'Sat Mar 24 2012 06:50:39 GMT+0100 (CET)' You ca...
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Best way to add page specific JavaScript in a Rails 3 app?

...like to do is include the per-view Javascript in a content_for :head block and then yield to that block in your application layout. For example If it's pretty short then: <% content_for :head do %> <script type="text/javascript"> $(function() { $('user_rating_positve').clic...
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How to change the author and committer name and e-mail of multiple commits in Git?

I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user. ...
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How to write LaTeX in IPython Notebook?

... Now is working on Jupiter. I put %%latex in a cell, and import the from IPython.display import Latex. After that, the Jupyter notebook recognizes Latex notation. – Miguel Gutierrez Jun 28 at 3:42 ...