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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...Time (-O2) Time (-Os) Fastest
AMD Opteron 8350 gcc-4.8.1 0.704s 0.896s -O2
AMD FX-6300 gcc-4.8.1 0.392s 0.340s -Os
AMD E2-1800 gcc-4.7.2 0.740s 0.832s -O2
Intel Xeon E5405 ...
How to use Bash to create a folder if it doesn't already exist?
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edited Aug 25 '16 at 4:17
pcambra
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answered Feb 5 '11 at 11:48...
How to avoid merge-commit hell on GitHub/BitBucket
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answered May 3 '13 at 12:14
Todd A. JacobsTodd A. Jacobs
67.5k1313 gold badges117117 silver badges173173 bronze badges
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Deploying just HTML, CSS webpage to Tomcat
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4 Answers
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Active
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In Gradle, is there a better way to get Environment Variables?
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244
Well; this works as well:
home = "$System.env.HOME"
It's not clear what you're aiming for.
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Pandas dataframe get first row of each group
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248
>>> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 ...