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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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Regex (grep) for multi-line search needed [duplicate]
I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from . This select statement can span many lines and can contain tabs and newlines.
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Utils to read resource text file to String (Java) [closed]
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Yes, Guava provides this in the Resources class. For example:
URL url = Resources.getResource("foo.txt");
String text = Resources.toString(url, StandardCharsets.UTF_8);
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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...
python: How do I know what type of exception occurred?
...explanation. Basically, it's so that you don't hide:
the fact that an error occurred
the specifics of the error that occurred (error hiding antipattern)
So as long as you take care to do none of those things, it's OK to catch the generic exception. For instance, you could provide information ab...
How do I represent a hextile/hex grid in memory?
...ionships Between Parts section of my grids article at www-cs-students.stanford.edu/~amitp/game-programming/grids (the diagrams are for square grids but the table includes the formulas for axial hex grids also)
– amitp
Jun 7 '13 at 0:58
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FileSystemWatcher vs polling to watch for file changes
I need to setup an application that watches for files being created in a directory, both locally or on a network drive.
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Should you ever use protected member variables?
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Can you comment on performance of protected variables vs a private variable with an get/set method?
– Jake
Jun 24 '10 at 13:56
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What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
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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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