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Shading a kernel density plot between two points.

I frequently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so: 5 Answer...
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How do I delete/remove a shell function?

... unset -f z Will unset the function named z. A couple people have answered with: unset z but if you have a function and a variable named z only the variable will be unset, not the function. ...
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What does Ruby have that Python doesn't, and vice versa?

There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
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How should I read a file line-by-line in Python?

...pen('filename.txt') as fp: for line in fp: print line We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage collection. Other, hypothetical implementations of Python will not necessarily close the file "quickly enough" without the with block if...
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How do I join two lines in vi?

I have two lines in a text file like below: 9 Answers 9 ...
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Lambda function in list comprehensions

... The first one creates a single lambda function and calls it ten times. The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need: [(lambda x: x*x)(x) for x in range(10)] Or b...
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PHP 5.4 Call-time pass-by-reference - Easy fix available?

Is there any way to easily fix this issue or do I really need to rewrite all the legacy code? 3 Answers ...
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How to access the ith column of a NumPy multidimensional array?

...nswered Apr 20 '13 at 14:05 AkavallAkavall 62.1k3838 gold badges170170 silver badges215215 bronze badges ...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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How to remove element from array in forEach loop?

...); } log(review); <pre id="out"></pre> But you specifically want to use ES5 Array.prototype.forEach, so what can we do? Well we need to use Array.prototype.slice to make a shallow copy of the array and Array.prototype.reverse so we can work in reverse to mutate the original array...