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Finding Number of Cores in Java

...ly available to the JVM (at startup I guess). Using CPU affinity the user/OS can restrict the number of "cores" a JVM sees. You can even do it on a running JVM but I'm not too sure how this influence availableProcessors(). – SyntaxT3rr0r Jan 21 '11 at 16:17 ...
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How to get the first element of the List or Set? [duplicate]

...wered Jan 27 '15 at 11:18 Sonson123Sonson123 8,81199 gold badges4646 silver badges6868 bronze badges ...
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How are virtual functions and vtable implemented?

... 123 How are virtual functions implemented at a deep level? From "Virtual Functions in C++": W...
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How can I remove a trailing newline?

...ut record separator like awk and Perl have. – Peter Hosey Nov 9 '08 at 6:13 7 @csde_rats, that's ...
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What are some alternatives to ReSharper? [closed]

...nswered Sep 16 '10 at 15:19 iggi123iggi123 11111 silver badge22 bronze badges ...
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How to insert a character in a string at a certain position?

...but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end. ...
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How do I install pip on macOS or OS X?

I spent most of the day yesterday searching for a clear answer for installing pip (package manager for Python). I can't find a good solution. ...
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Best way to create an empty object in JSON with PHP?

...t will keep rendering properly into a dictionary: $complex['dict']['a'] = 123; print json_encode($complex); // -> {"list":[],"dict":{"a":123}} unset($complex['dict']['a']); print json_encode($complex); // -> {"list":[],"dict":{}} If you need this to be 100% compatible both ways, you can al...
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How accurate is python's time.sleep()?

... The accuracy of the time.sleep function depends on your underlying OS's sleep accuracy. For non-realtime OS's like a stock Windows the smallest interval you can sleep for is about 10-13ms. I have seen accurate sleeps within several milliseconds of that time when above the minimum 10-13ms. ...
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Can you do a partial checkout with Subversion?

...directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk? ...