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Using sed to mass rename files

...ld say that the easiest way to do this is to use the prename or rename commands. On Ubuntu, OSX (Homebrew package rename, MacPorts package p5-file-rename), or other systems with perl rename (prename): rename s/0000/000/ F0000* or on systems with rename from util-linux-ng, such as RHEL: rename 0...
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Simple C example of doing an HTTP POST and consuming the response

...mple C application that does an HTTP post. It will take a few parameters, and use these to construct a URL. I'd just like to do a simple HTTP POST and get the response without the use of curl (the libraries are not and will not be installed on the machine this needs to run). ...
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What happens to an open file handle on Linux if the pointed file gets moved or deleted

What happens to an open file handle on Linux if the pointed file meanwhile gets: 7 Answers ...
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Efficiency of Java “Double Brace Initialization”?

...e all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file. The "double brace initialization", as already mentioned, is an anonymous inner class with an instance initializat...
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Deleting array elements in JavaScript - delete vs splice

...ice(start, deleteCount) actually removes the element, reindexes the array, and changes its length. > myArray = ['a', 'b', 'c', 'd'] ["a", "b", "c", "d"] > myArray.splice(0, 2) ["a", "b"] > myArray ["c", "d"] ...
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Cosine Similarity between 2 Number Lists

...ity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent). ...
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Script parameters in Bash

...arguments that you provide to a bashscript will appear in the variables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself. The arguments are seperated by spaces, so if you would provide the -from and -to in the command, they will end up in these variables too, so fo...
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jQuery SVG vs. Raphael [closed]

I'm working on an interactive interface using SVG and JavaScript/jQuery, and I'm trying to decide between Raphael and jQuery SVG . I'd like to know ...
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Is there a way to measure how sorted a list is?

...Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A. The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is...
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SPA best practices for authentication and session management

..., etc. what do people believe to be some best practices for authentication and session management? I can think of a couple of ways of considering approaching the problem. ...