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How do I check CPU and Memory Usage in Java?

... @ComputerScientist Because free is actually what is free (post GC) it doesn't show objects waiting for GC. To get MUCH more accurate, run 2 garbage collections before this answer. If you try it with and without GC you will find the post-GC values very consistent but the preGC will ...
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How does delete[] know it's an array?

...lly, using delete[] to delete something created with new is exploitable. taossa.com/index.php/2007/01/03/… – Rodrigo Apr 24 '09 at 13:20 23 ...
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Expand Python Search Path to Other Source

... There are a few possible ways to do this: Set the environment variable PYTHONPATH to a colon-separated list of directories to search for imported modules. In your program, use sys.path.append('/path/to/search') to add the names of directori...
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How can I start PostgreSQL server on Mac OS X?

...nchctl plists to start automatically. For more information, run brew info postgres. Start manually pg_ctl -D /usr/local/var/postgres start Stop manually pg_ctl -D /usr/local/var/postgres stop Start automatically "To have launchd start postgresql now and restart at login:" brew services start postgre...
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Open multiple Eclipse workspaces on the Mac

... be the officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though. Open the command line (Terminal) Navigate to your Eclipse installation folder, for instance: cd /Applications/eclipse/ cd /Developer/...
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Programmatically saving image to Django ImageField

... is a URL to an image # self.photo is the ImageField self.photo.save( os.path.basename(self.url), File(open(result[0], 'rb')) ) self.save() That's a bit confusing because it's pulled out of my model and a bit out of context, but the important parts are: The image pulled from the we...
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iPhone OS: How do I create an NSDate for a specific date?

...Minute, setSecond, etc. for finer granularity. – devios1 Jul 5 '13 at 18:53 add a comment  |  ...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

...f Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running: export JAVA_HOME=$(/usr/libexec/java_home -v 1.5) For those of you who don't have java_home in your path add it like this. sudo ln -s /System/Library/Framewor...
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Determine if Python is running inside virtualenv

Is it possible to determine if the current script is running inside a virtualenv environment? 16 Answers ...
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adding directory to sys.path /PYTHONPATH

... You could use: import os path = 'the path you want' os.environ['PATH'] += ':'+path share | improve this answer | follow ...