peteristhegreat

Years ago I wrote up how to make 3 points into a circle, probably for a CAD program or similar.

https://stackoverflow.com/a/26903599/999943

https://github.com/peteristhegreat/ThreePointsCircle

Then I was working on a 4 bar mechanism, and I wanted a refresher on the kinematics on it.

https://www.youtube.com/watch?v=ivTPfBbzDLY&t=36s

peteristhegreat

Link archived for reference. Title reflects original grammar; no endorsement.

Source: https://www.reddit.com/r/ChatGPT/comments/1lkem6i/i_asked_chatgpt_this/

peteristhegreat

#!/usr/bin/env bash

set -x
# Update system
sudo apt update && sudo apt upgrade -y

# Install dependencies
sudo apt install -y git curl build-essential

# Install Go (latest stable from golang.org)

peteristhegreat

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

$ docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES

Happiness!

$ docker ps

peteristhegreat

How to Fix dotnet runtime missing in WSL

Symptom

You try to run a dotnet project and you get:

You must install .NET to run this application.

App: /home/phyatt/.dotnet/tools/dotnet-outdated

peteristhegreat

Troubleshooting Under-Extrusion after a new hot end

https://wiki.flashforge.com/en/adventurer-series/troubleshooting-print-quality-problems

The official stance on under extrusion is to replace the nozzle + hotend.

Replacing the nozzle + hotend didn't do it for me.

The Root Cause

peteristhegreat

IDE

Examples

Qt Creator

Compiler/Linker

You take your .cxx and your .hxx files (.c/.h or .cpp/.hpp/.h) and build them to .o files aka object files. Then all the object files get linked together into an executable.

peteristhegreat

https://pedrotech.co/blog/google-docs-clone-tutorial/

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#objects_vs._maps

Maps are ordered dicts in javascript

Meetings have some inherent behaviors. If it is administrative to run an organization or some other reoccuring program or auxillary,

• the agenda is nearly the same, but with slight differences from week to week
• it is date sensitive

peteristhegreat

Motivation

ALPR and ANPR

Automatic License Plate Recognition

Automatic Number Plate Recognition

I wanted to build out a mobile ALPR app without paying a subscription cloud fee to someone. I dug in and found that it is a pretty layered problem, especially with the constraints I had given myself.

peteristhegreat

Quick AI analysis of this funny history:

Original Post: A Brief, Incomplete, and Mostly Wrong History of Robotics

Original Post by Benjie Holson on June 10, 2025

https://generalrobots.substack.com/p/a-brief-incomplete-and-mostly-wrong

Quick Analysis/Dissection for the Uninitiated