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CRON job to run on the last day of the month
... if that's a problem, you'll need to find another way.
However, it's usually both substantially easier and correct to run the job as soon as possible on the first day of each month, with something like:
0 0 1 * * myjob.sh
and modify the script to process the previous month's data.
This remove...
Version of Apache installed on a Debian machine
How can I check which version of Apache is installed on a Debian machine?
17 Answers
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C++ code file extension? .cc vs .cpp [closed]
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When one considers that the compiler is not typically the only tool involved -- almost always, there is "make" or a similar utility that WILL care which extensions you use, for build rules matching -- then this answer really does not address the core concerns of the questio...
Order of items in classes: Fields, Properties, Constructors, Methods
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Personally, I find the ordering of static methods annoying. I can see the argument for static public methods coming first, but I normally want private static methods after members. They're utilities after all.
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Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
...d effects are executed faster and are more 'tweakable'. With webGL there really is no limit.
Both canvas and webGL are html5 goodies. Usually the devices that support one will support and the other.
So, to sum up:
merging the drawing API code and the rest (integration): similar
ease of use:
(...
How to run a background task in a servlet based web application?
... your job here which should run every 5 seconds.
}
}
Yes, that's really all. The container will automatically pickup and manage it.
EJB unavailable? Use ScheduledExecutorService
If your environment doesn't support EJB (i.e. you're not using not a real Java EE server, but a barebones servle...
Link and execute external JavaScript file hosted on GitHub
...GitHub’s official solution to this problem.
raw.githubusercontent makes all files use the text/plain MIME type, even if the file is a CSS or JavaScript file. So going to https://raw.githubusercontent.com/‹user›/‹repo›/‹branch›/‹filepath› will not be the correct MIME type but inste...
How to clear the canvas for redrawing
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A totally minor suggesting but I'd suggest context.clearRect(0, 0, context.canvas.width, context.canvas.height). It's effectively the same thing but one less dependency (1 variable instead of 2)
– gman
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Common programming mistakes for Clojure developers to avoid [closed]
...ix which used leading zeros to maintain proper rows and columns. Mathematically this is correct, since leading zero obviously don't alter the underlying value. Attempts to define a var with this matrix, however, would fail mysteriously with:
java.lang.NumberFormatException: Invalid number: 08
whi...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracle, all three methods are the same.
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