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Circle line-segment collision detection algorithm?
... b = 2*f.Dot( d ) ;
float c = f.Dot( f ) - r*r ;
float discriminant = b*b-4*a*c;
if( discriminant < 0 )
{
// no intersection
}
else
{
// ray didn't totally miss sphere,
// so there is a solution to
// the equation.
discriminant = sqrt( discriminant );
// either solution may be on o...
putting current class as return type annotation [duplicate]
...g with Python 3.9 the warning becomes a DeprecationWarning.
In Python 4.0 this will become the default behavior. Use of
annotations incompatible with this PEP is no longer supported.
Here is an example:
In [7]: from __future__ import annotations
In [8]: class C:
...: def func(cls, ...
Python debugging tips [closed]
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edited Feb 4 '10 at 14:57
community wiki
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mongodb count num of distinct values per field/key
...nd", "France", "Australia" ]
> db.countries.distinct('country').length
4
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Elastic Search: how to see the indexed data
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edited Jun 29 '14 at 13:59
notapatch
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Get ID of last inserted document in a mongoDB w/ Java driver
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Paolo Forgia
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answered Jul 26 '10 at 21:41
Matt WMatt W
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Design patterns or best practices for shell scripts [closed]
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answered Apr 10 '09 at 22:14
Stefano BoriniStefano Borini
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Multiple variables in a 'with' statement?
...e:?
– Charlie Parker
Feb 3 '17 at 5:46
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What are the applications of binary trees?
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To squabble about the performance of binary-trees is meaningless - they are not a data structu...
How to convert vector to array
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Michael MrozekMichael Mrozek
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