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Cosine Similarity between 2 Number Lists
...een 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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How to install latest version of git on CentOS 7.x/6.x
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362
You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Instal...
Most efficient method to groupby on an array of objects
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How to swap keys and values in a hash
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286
Ruby has a helper method for Hash that lets you treat a Hash as if it was inverted (in essence...
Difference between `set`, `setq`, and `setf` in Common Lisp?
...t the SET function.
What is now written as:
(setf (symbol-value '*foo*) 42)
was written as:
(set (quote *foo*) 42)
which was eventually abbreviavated to SETQ (SET Quoted):
(setq *foo* 42)
Then lexical variables happened, and SETQ came to be used for assignment to them too -- so it was no l...
How to check if one of the following items is in a list?
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>>> L1 = [2,3,4]
>>> L2 = [1,2]
>>> [i for i in L1 if i in L2]
[2]
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Extract elements of list at odd positions
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232
Solution
Yes, you can:
l = L[1::2]
And this is all. The result will contain the elements p...
SQL - Rounding off to 2 decimal places
I need to convert minutes to hours, rounded off to 2 decimal places.I also need to display only up to 2 numbers after the decimal point. So if I have minutes as 650.Then hours should be 10.83
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What JSON library to use in Scala? [closed]
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Unfortunately writing a JSON library is the Scala community's version of coding a todo list ap...
Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if t...