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The author, coming from a background in computer vision, embarked on a project to enhance their understanding of trajectory optimization and Model Predictive Control by creating a simulation demonstration. The article details the formulation of the cart-pole system problem, including equations of motion and control actions. The author implements an optimization problem using Model Predictive […]
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When feeling bored, I find exploring macOS Bash commands fascinating. Access your Keychain secrets programmatically with ‘security find-internet-password -s “https://example.com”‘. Utilize the 1Password CLI for accessing items via command line. Open files using ‘open file.txt’ from the terminal, simplifying the process. Copy and paste with ‘pbcopy’ and ‘pbpaste’, seamlessly moving text around. Stay up-to-date with […]
Join the JunoCam Images Gallery to explore raw images from the Juno spacecraft and unleash your creativity. From simple cropping to advanced color reconstruction, the possibilities are endless. The intense radiation belts of Jupiter pose a challenge for image quality, affecting dynamic range and increasing noise. Citizen scientists are invited to process these images in […]
Customize your Hacker News experience by personalizing the front page with stories you like or dislike. Simply click the appropriate buttons and then hit “Update” to receive recommended stories tailored to your preferences. Clear your likes and dislikes at any time and easily view your liked stories for future reference. This feature aims to provide […]
Intel has long dominated the datacenter CPU market, but AMD’s EPYC processors are now being used in the most expensive machines, outselling Intel in the datacenter segment. Intel has had to offer significant discounts on its server chips due to AMD’s competitive advantage, leading to a decrease in revenue and profit margins. The 128-core Xeon […]
Prediction markets, like betting on sports outcomes or election results, are similar to coin-flipping – predicting whether a random event will end positively or negatively. A new model, the Gaussian score dynamics model, matches the market price to the probability of an underlying movement. A new automated market maker, focusing on loss-vs-rebalancing, aims to optimize […]
In the article “every Boring Problem Found in eBPF” by @FridayOrtiz, the author shares the challenges faced while implementing Berkeley Packet Filters (BPF) as a telemetry source for a Linux endpoint security agent. The author discusses the benefits of using BPF, such as enhanced visibility, dynamic reinstrumentation, safety features, and speed. However, the article also […]
The author explores the phenomenon of title drops in movies, analyzing a dataset of 73,921 films from 1940 to 2023. They discuss the rules for identifying title drops in dialogue, the frequency of title drops, and the top offenders in mentioning their titles. Surprisingly, movies named after characters have more title drops, and single title […]
In his thought-provoking web content, Richard M. Hartman delves into the evolution of computing technology, from minicomputers to workstations, and the unexpected return of the mainframe in the form of server farms. He challenges the notion of progress in the industry, highlighting how the movement to replace mainframes has unintentionally reinvented them. Hartman discusses the […]
The author created a new query language called Lisp Query Notation (LQN) for manipulating text files in a terminal utility. The LQN syntax is used to calculate and print the first 25 Fibonacci numbers in an unnecessarily complicated way. LQN is similar to .jq in terms of functional style and chaining commands. LQN can work […]