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PID controller | Wikiwand

Link: PID controller | Wikiwand: "A proportional–integral–derivative controller is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control. A PID controller continuously calculates an error value."

Very important control algorithm. Used a lot in robotics but many other ways.

roslocate - ROS Wiki

Link: roslocate - ROS Wiki: "ROS tool to locate the source file for ROS packages. This is a little esoteric unless you are doing ROS development - like I do. But here it is for you ROS nerds."

roslocate – ROS Wiki

roslocate - ROS Wiki –ROS tool to locate the source file for ROS packages. This is a little esoteric unless you are doing ROS development - like I do. But here it is for you ROS nerds.

Managing Multiple Python Versions With pyenv – Real Python

Link: Managing Multiple Python Versions With pyenv – Real Python: "If this is not a port of rubyenv I don't know. Its exactly the same. So it's helpful if you know one, you will know the other! "In this step-by-step tutorial, you'll learn how to install multiple Python versions and switch between them with ease, including project-specific virtual environments, even if you don't have sudo access with pyenv.""