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Git - Undo pushed commits
...ository, synchronized with a local repository (development) and the server one (prod). I've been making some commited changes already pushed to remote and pulled from the server. Now, I want to undo those changes. So I could just git checkout to the commit before the changes and commit the new cha...
multiple definition of template specialization when using different objects
... need to put it in a .cpp file instead of a .h or you end up violating the one definition rule as David says. Note that when you partially specialize templates, the partial specializations do still depend on one or more template parameters, so they still go in a .h file.
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MySQL OPTIMIZE all tables?
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You can use mysqlcheck to do this at the command line.
One database:
mysqlcheck -o <db_schema_name>
All databases:
mysqlcheck -o --all-databases
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Creating runnable JAR with Gradle
...ght also need to add classpath entries in the manifest, but that would be done the same way.
See http://docs.oracle.com/javase/tutorial/deployment/jar/manifestindex.html
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How unique is UUID?
...nnual risk of a given person being hit by a meteorite is
estimated to be one chance in 17 billion, which means the
probability is about 0.00000000006 (6 × 10−11), equivalent to the odds
of creating a few tens of trillions of UUIDs in a year and having one
duplicate. In other words, only a...
Multiple simultaneous downloads using Wget?
I'm using wget to download website content, but wget downloads the files one by one.
15 Answers
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How can I generate an MD5 hash?
... MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're done adding input bytes, ca...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
...lutions for getting Visual Studio 2012 intellisense back on track try them one by one, hope one of them will solve the problem:
When the problem occurs next time follow these:
start from #1 and Move to next when the earlier one doesn't work for you
1: Close all the tabs and open your file again. (...
Checking to see if one array's elements are in another array in PHP
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As mentioned in the comments I found that !empty does not work as expected. Instead, I used count(): !count(array_intersect($people, $criminals));
– Mattios550
Nov 30 '16 at 21:12
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Why use Gradle instead of Ant or Maven? [closed]
...that Gradle is a toy project - see comments], but I'd say that the reasons one would consider using it would be because of the frustrations of Ant and Maven.
In my experience Ant is often write-only (yes I know it is possible to write beautifully modular, elegant builds, but the fact is most people...