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What exactly is LLVM?
... code).
LLVM can also act as a JIT compiler - it has support for x86/x86_64 and PPC/PPC64 assembly generation with fast code optimizations aimed for compilation speed.
Unfortunately disabled since 2013, there was the ability to play with LLVM's machine code generated from C or C++ code at the demo...
How to sort a dataframe by multiple column(s)
...f the example(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
Edit some 2+ years later: It was just asked how to do this by column index. The answer is to simply pass the desired sorting column(s) to the order() function:
R> dd[orde...
How can I use a search engine to search for special characters? [closed]
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4 Answers
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How to determine when Fragment becomes visible in ViewPager
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answered Jun 17 '12 at 23:42
gorngorn
7,62755 gold badges3131 silver badges4444 bronze badges
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MySQL Cannot Add Foreign Key Constraint
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804
To find the specific error run this:
SHOW ENGINE INNODB STATUS;
And look in the LATEST FOREIG...
Combining multiple commits before pushing in Git [duplicate]
...ile that looks like this:
pick 16b5fcc Code in, tests not passing
pick c964dea Getting closer
pick 06cf8ee Something changed
pick 396b4a3 Tests pass
pick 9be7fdb Better comments
pick 7dba9cb All done
Change all the pick to squash (or s) except the first one:
pick 16b5fcc Code in, tests not passi...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
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14 Answers
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
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184
I just did some tests of the four options that I know about.
Measure-Command {$(1..1000) | Out-...