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Circle line-segment collision detection algorithm?
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Taking
E is the starting point of the ray,
L is the end point of the ray,
C is the center of sphere you're testing against
r is the radius of that sphere
Compute:
d = L - E ( Direction vector of ray, from start to end )
f = E - C ( Vector from center sphere...
iPhone: How to switch tabs with an animation?
I'm switching tabs programmatically in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab.
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Python date string to date object
How do I convert a string to a date object in python?
7 Answers
7
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Converting from longitude\latitude to Cartesian coordinates
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I have recently done something similar to this using the
"Haversine Formula" on WGS-84 data, which is a derivative of the "Law of Haversines" with very satisfying results.
Yes, WGS-84 assumes the Earth is an ellipsoid, but I believe yo...
How can I multiply all items in a list together with Python?
...ogether. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
17 Answers
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How to render a DateTime object in a Twig template
One of my fields in one of my entities is a "datetime" variable.
9 Answers
9
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HTML5 Canvas Resize (Downscale) Image High Quality?
I use html5 canvas elements to resize images im my browser. It turns out that the quality is very low. I found this: Disable Interpolation when Scaling a <canvas> but it does not help to increase the quality.
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Extract month and year from a zoo::yearmon object
I have a yearmon object:
7 Answers
7
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Is it possible to Pivot data using LINQ?
...wondering if it is possible to use LINQ to pivot data from the following layout:
6 Answers
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Logical operators for boolean indexing in Pandas
I'm working with boolean index in Pandas.
The question is why the statement:
3 Answers
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