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How to find Unused Amazon EC2 Security groups
I'm try to find a way to determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups.
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How does RegexOptions.Compiled work?
What is going on behind the scenes when you mark a regular expression as one to be compiled? How does this compare/is different from a cached regular expression?
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Iterating over a numpy array
Is there a less verbose alternative to this:
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C# Error: Parent does not contain a constructor that takes 0 arguments
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Is it better to use std::memcpy() or std::copy() in terms to performance?
Is it better to use memcpy as shown below or is it better to use std::copy() in terms to performance? Why?
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How can I count the number of matches for a regex?
Let's say I have a string which contains this:
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What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
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Clearing a string buffer/builder after loop
How do you clear the string buffer in Java after a loop so the next iteration uses a clear string buffer?
8 Answers
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How to find out the number of CPUs using python
I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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