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Regular expression for matching HH:MM time format
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19 Answers
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How to convert list of tuples to multiple lists?
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166
The built-in function zip() will almost do what you want:
>>> zip(*[(1, 2), (3, 4), ...
Access multiple elements of list knowing their index
...t say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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Using async/await for multiple tasks
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591
int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient)...
pandas: filter rows of DataFrame with operator chaining
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14 Answers
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Multiple linear regression in Python
... regress my dependent variable (y) against several independent variables (x1, x2, x3, etc.).
13 Answers
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What is Weak Head Normal Form?
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These expressions are all in normal form:
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(2, "hello")
\x -> (x + 1)
These expressions are not in normal form:
1 + 2 -- we could evaluate this to 3
(\x -> x + 1) 2 -- we could apply the function
"he" ++ "llo" -- we could apply the (++)
(1 + 1, 2 + 2) ...
Reverse Range in Swift
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185
Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a ran...
finding and replacing elements in a list
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16 Answers
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Shuffle two list at once with same order
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211
You can do it as:
import random
a = ['a', 'b', 'c']
b = [1, 2, 3]
c = list(zip(a, b))
rando...