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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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How to create a density plot in matplotlib?
In R I can create the desired output by doing:
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Compare version numbers without using split function
How do I compare version numbers?
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What does %~d0 mean in a Windows batch file?
I'm looking at a batch file which defines the following variables:
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Opacity of background-color, but not the text [duplicate]
How do I make the cross-browser (including Internet Explorer 6) transparency for the background of a div while the text remains opaque?
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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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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options …
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COUNT DISTINCT with CONDITIONS
I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this:
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