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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...e ones.
– user55400
Mar 6 '09 at 10:07
@blixtor - Actually, it's quite easy. Just don't put any of the negative examp...
Apache Spark: The number of cores vs. the number of executors
....
--executor-memory was derived as (63/3 executors per node) = 21. 21 * 0.07 = 1.47. 21 – 1.47 ~ 19.
The explanation was given in an article in Cloudera's blog, How-to: Tune Your Apache Spark Jobs (Part 2).
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Group by month and year in MySQL
...-%m')
– OMG Ponies
Jul 29 '10 at 21:07
3
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Get exit code of a background process
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answered Sep 14 '17 at 7:07
TerryTerry
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How do I declare an array of weak references in Swift?
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answered Jun 9 '14 at 20:07
GoZonerGoZoner
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How do I access the $scope variable in browser's console using AngularJS?
... str
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answered Dec 6 '12 at 12:56
jaimejaime
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How to measure time in milliseconds using ANSI C?
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s1m0n
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answered Dec 12 '08 at 0:08
Robert GambleRobert G...
Is “double hashing” a password less secure than just hashing it once?
...{
$result += ord($input[$i]);
}
return (string) ($result % 256);
}
Now it should be pretty obvious what this hash function does. It sums together the ASCII values of each character of input, and then takes the modulo of that result with 256.
So let's test it out:
var_dump(
ourHa...
Fixed size queue which automatically dequeues old values upon new enques
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answered Apr 24 '12 at 14:07
Dave LawrenceDave Lawrence
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How do I create multiple submit buttons for the same form in Rails?
...on is?
– Timothy T.
Jun 12 '10 at 6:07
1
You can't change a form action attribute without a messy...