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Groovy: what's the purpose of “def” in “def x = 0”?
In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
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What is the Invariant Culture?
Could anybody give an example to demonstrate the usage of the Invariant Culture ? I don't understand what the documentation describes.
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Python: Select subset from list based on index set
I have several lists having all the same number of entries (each specifying an object property):
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Does setting Java objects to null do anything anymore?
I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed.
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Control the size of points in an R scatterplot?
In R, the plot() function takes a pch argument that controls the appearance of the points in the plot. I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there somethin...
gunicorn autoreload on source change
Finally I migrated my development env from runserver to gunicorn/nginx.
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Why does running the Flask dev server run itself twice?
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postgres: upgrade a user to be a superuser?
In postgres, how do I change an existing user to be a superuser? I don't want to delete the existing user, for various reasons.
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Difference between a Seq and a List in Scala
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Can I arrange repositories into folders on Github?
I am new to git and what I am doing now is to upload all my recent projects as repositories to github. There are a lot of different projects like webdesign, wordpress themes and different types of applications. And some of these also belong to bigger projects because they were about testing some stu...