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ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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How bad is shadowing names defined in outer scopes?
...bout all the warnings and hints it provides me to improve my code. Except for this one which I don't understand:
8 Answers
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How do I trim whitespace?
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For whitespace on both sides use str.strip:
s = " \t a string example\t "
s = s.strip()
For whitespace on the right side use rstrip:
s = s.rstrip()
For whitespace on the left side lstrip:
s = s.lstrip()
As thedz points ou...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
...how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
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What is the 'CLSCompliant' attribute in .NET?
... What this means is public fields should not have unsigned types like uint or ulong, public methods should not return unsigned types, parameters passed to public function should not have unsigned types. However unsigned types can be part of private members.
Unsafe types like pointers should not be ...
Do SVG docs support custom data- attributes?
In HTML5, elements can have arbitrary metadata stored in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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What would cause an algorithm to have O(log log n) complexity?
This earlier question addresses some of the factors that might cause an algorithm to have O(log n) complexity.
2 Answers
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Javascript split regex question
...tells the regular expression engine "any of these characters is a match". For your purposes, this would look like:
date.split(/[.,\/ -]/)
Although dashes have special meaning in character classes as a range specifier (ie [a-z] means the same as [abcdefghijklmnopqrstuvwxyz]), if you put it as the ...
Why does Double.NaN==Double.NaN return false?
...ows produces a signed infinity, an operation that underflows produces a denormalized value or a signed zero, and an operation that has no mathematically definite result produces NaN. All numeric operations with NaN as an operand produce NaN as a result. As has already been described, NaN is unordere...
Using crontab to execute script every minute and another every 24 hours [closed]
...ght):
0 0 * * * /path/to/php /var/www/html/reset.php
See this reference for how crontab works: http://adminschoice.com/crontab-quick-reference, and this handy tool to build cron jobx: http://www.htmlbasix.com/crontab.shtml
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