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Is there a math nCr function in python? [duplicate]
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Delete from the current cursor position to a given line number in vi editor
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213
You could use something like d63G to delete from the current line until line 63.
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How can I split up a Git commit buried in history?
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edited May 23 '17 at 11:47
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answered Nov 29 '10 at 19:14
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Computational complexity of Fibonacci Sequence
...b(n) as sum of time to calculate Fib(n-1) plus the time to calculate Fib(n-2) plus the time to add them together (O(1)). This is assuming that repeated evaluations of the same Fib(n) take the same time - i.e. no memoization is use.
T(n<=1) = O(1)
T(n) = T(n-1) + T(n-2) + O(1)
You solve this r...
Change File Extension Using C#
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221
There is: Path.ChangeExtension method. E.g.:
var result = Path.ChangeExtension(myffile, ".jpg...
SQL - many-to-many table primary key
...real advantage to having a surrogate key. Having a primary key on (col1,col2) is guaranteed unique (assuming your col1 and col2 values in the referenced tables are unique) and a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is a was...
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72
On GitHub itself, you cannot group your repos by "folder", unless you create organizations.
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Capture Stored Procedure print output in .NET
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AdaTheDevAdaTheDev
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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Since we're all guessing, I might as well give mine: I've always thought it stood for Python. ...
How do I convert a numpy array to (and display) an image?
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You could use PIL to create (and display) an image:
from PIL import Image
import numpy as np
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