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Connect Java to a MySQL database

... Here's a step by step explanation how to install MySQL and JDBC and how to use it: Download and install the MySQL server. Just do it the usual way. Remember the port number whenever you've changed it. It's by default 3306. Download the JDBC driver and put in classpath...
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]

I'm working on a balloon project with a Raspberry Pi. When we potentially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely. ...
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Set focus on TextBox in WPF from view model

...ample? Is it a TextBox control? If yes, then you are on a wrong way. Generally speaking it's not a good idea to have any reference to UI in your ViewModel. You can ask "Why?" but this is another question to post on Stackoverflow :). The best way to track down issues with Focus is... debugging .Net ...
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How to track child process using strace?

...ously search for the parent thread, then the grandparent thread, and so on all the way to the root process. 4 Answers ...
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Writing a git post-receive hook to deal with a specific branch

...oks pushes to Assembla. What i need is to push only one branch (master, ideally) when someone pushes changes to that branch on our server, and ignore pushes to other branches. Is it possible to select the branch from a bare repo and push only that branch to Assembla? ...
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In VIM, how do I break one really long line into multiple lines?

... Vim does this very easy (break lines at word boundaries). gq{motion} % format the line that {motion} moves over {Visual}gq % format the visually selected area gqq % format the current line ... I'd suggest you check out :help gq and :help gw. Also setting textwidth (tw) will...
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Why should I use Google's CDN for jQuery?

... This is because: It increases the parallelism available. (Most browsers will only download 3 or 4 files at a time from any given site.) It increases the chance that there will be a cache-hit. (As more sites follow this practice, more users already have the fil...
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php execute a background process

...er-side script in whatever language (php/bash/perl/etc) is handy and then call it from the process control functions in your php script. The function probably detects if standard io is used as the output stream and if it is then that will set the return value..if not then it ends proc_close( proc...
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deleting rows in numpy array

... Thanks! I had the same problem, and I could not figure out why simply calling numpy.delete(x, index) didn't work. – Antimony Nov 20 '15 at 22:59 6 ...
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Passing command line arguments to R CMD BATCH

...of a relict. In any case, the more recent Rscript executable (available on all platforms), together with commandArgs() makes processing command line arguments pretty easy. As an example, here is a little script -- call it "myScript.R": ## myScript.R args <- commandArgs(trailingOnly = TRUE) rnor...