My course.fast.ai Notes

Like many others, I’m a huge fan of Jeremy Howard’s fast.ai courses. Even when having worked in the machine learning field for years, I still find the material to be packed full with interesting …

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A Tour of Open MongoDB Instances

Earlier last month, a security researcher called Victor Gevers sent out a tweet stating that he had stumbled upon a number of open MongoDB databases hosting what was apparantly logged chats from a number of Chinese applications such as Weixin (WeChat) and QQ:

Around 364 million online profiles and their …

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An Exploration of Cellular Automata and Graph Based Game Systems: Part 3
Moving to Graphs

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An Exploration of Cellular Automata and Graph Based Game Systems: Part 2
Grid Based Fluid Systems

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Note to Self: Fast Android Screen Capture

Getting a reliable, real-time screen of an Android device is more challenging than one might think, e.g. for the purpose of training a reinforcement learning agent.

This post describes a basic approach:

adb shell screencap -p

Sadly, adb mangles binary output and has a tendency to convert \n to …

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