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MYSQL import data from csv using LOAD DATA INFILE
...AL keyword hold security risks and as of MySQL 8.0 the LOCAL capability is set to False by default. You might see the error:
ERROR 1148: The used command is not allowed with this MySQL version
You can overwrite it by following the instructions in the docs.
Beware that such overwrite does not s...
Two statements next to curly brace in an equation
.... The packages amsmath, amssymb and amsthm are hard to do without when typesetting math.
– srean
Oct 26 '10 at 20:10
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Recursively list files in Java
... copy, a recursive move, a recursive delete, or a recursive operation that sets permissions or performs another operation on each of the files.
There is now an entire Oracle tutorial on this question.
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How can I produce an effect similar to the iOS 7 blur view?
...receiving a UIImage back that has been blurred, now all that is left is to set that blurred image as the background of the view you will be presenting. Like I said, this will not be a perfect match for what Apple is doing, but it should still look pretty cool.
Hope it helps.
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How can I access “static” class variables within class methods in Python?
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What's the fastest algorithm for sorting a linked list?
... copying the result back again. Each algorithm was run on the same 10 data sets and the results were averaged.
These are the results:
N = 1000:
Fragmented list with merge sort: 0.000000 seconds
Array with qsort: 0.000000 seconds
Packed list with merge sort: 0.000000 seconds
N = 100000:
Fragmented...
What are Java command line options to set to allow JVM to be remotely debugged?
I know there's some JAVA_OPTS to set to remotely debug a Java program.
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How to swap keys and values in a hash
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Personally I avoid setting the hash's default value behaviour. I worry that whatever code I give this hash to wouldn't be expecting a hash to behave in that way, and it could cause some insidious error later. I can't really justify this concern...
Is it possible to run one logrotate check manually?
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This is well and good, but you lose any global settings that you have in the "/etc/logrotate.conf". I wrote a script to merge the global and specific logrotate files together then use it so as to solve this problem. (see my answer).
– anthony
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Does Python support multithreading? Can it speed up execution time?
...andle network events reasonably efficiently in a multi-threaded multi-core setup.
What many server deployments then do, is run more than one Python process, to let the OS handle the scheduling between processes to utilize your CPU cores to the max. You can also use the multiprocessing library to ha...