View undistort optimizations.ipynb
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View TensorFlow MNIST tutorial.ipynb
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View challenge.py
#!/usr/bin/env python
'''Traverses JSON objects to retrieve a secret string.
The JSON objects form a tree structure. The hashes identifying an object's
children are stored in the object's `next` field. Some objects have a
`secret` value, which holds one character. In-order traversal of the object
tree gives the secret string, which when reversed yields the challenge's
solution.
Objects are retrieved from a web server by their hash (see `get_page()`).
View gist:a2a8a1a87b37a7e8190f
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View gist:8561382

Installing opencv fails, even though $ brew doctor doesn't have any complaints:

$ brew install opencv
==> Downloading https://github.com/Itseez/opencv/archive/2.4.7.1.tar.gz
Already downloaded: /Library/Caches/Homebrew/opencv-2.4.7.1.tar.gz
==> Patching
patching file cmake/OpenCVFindOpenNI.cmake
Warning: Formula#python is deprecated and will go away shortly.
Error: undefined method `incdir' for #<PythonDependency: "python" []>