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How do I view an older version of an SVN file?
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239
You can update to an older revision:
svn update -r 666 file
Or you can just view the file d...
Storing time-series data, relational or non?
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edited May 22 '18 at 9:55
answered Feb 3 '11 at 9:33
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What is the difference between atomic / volatile / synchronized?
...s; that is why volatile is not default.
volatile without synchronization (2)
volatile int i = 0;
void incIBy5() {
i += 5;
}
The same problem as above, but even worse because i is not private. The race condition is still present. Why is it a problem? If, say, two threads run this code simultane...
How to automatically crop and center an image
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327
One solution is to use a background image centered within an element sized to the cropped dimen...
How do I restart nginx only after the configuration test was successful on Ubuntu?
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edited Jul 5 '18 at 4:52
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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How to grep for two words existing on the same line? [duplicate]
...y, there is no reason to use -r. I suggest you read man grep.
To grep for 2 words existing on the same line, simply do:
grep "word1" FILE | grep "word2"
grep "word1" FILE will print all lines that have word1 in them from FILE, and then grep "word2" will print the lines that have word2 in them. H...
Meaning of Open hashing and Closed hashing
... edited Jan 1 '16 at 18:37
ViX28
18711 gold badge11 silver badge99 bronze badges
answered Feb 3 '12 at 6:24
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Getting all names in an enum as a String[]
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How to use a different version of python during NPM install?
I have terminal access to a VPS running centos 5.9 and default python 2.4.3 installed. I also installed python 2.7.3 via these commands: (I used make altinstall instead of make install )
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