TL;DR summary of stories on the internet
UUIDs are commonly used as primary keys in database tables due to their easy generation, sharing between systems, and guaranteed uniqueness. This article focuses on efficiently using UUIDs as primary keys in PostgreSQL. Storing UUIDs as strings using the text data type is not optimal, as PostgreSQL has a dedicated uuid data type which takes […]
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The author discusses preserving retro computer floppy disks using a Saleae Logic 8 logic analyzer instead of dedicated devices like Kryoflux. They delve into the low-level details of floppy drive interfaces, including encoding schemes and signal patterns. They explain how to connect the logic analyzer to capture data from a floppy disk and control the […]
This web content is a beautiful English version of Lao Tzu’s Tao Te Ching by Ursula K. Le Guin. Lao Tzu’s teachings focus on the concept of the Tao, emphasizing the importance of simplicity, humility, and following the natural way of things. The text delves into themes like the balance of opposites, the power of […]
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MIT has developed a new water harvester that can extract drinkable water from the air, potentially providing enough water for multiple people. The device features vertical fins coated with a specialized zeolite material, allowing for maximum water adsorption. After saturation, the copper sheets are heated to release the water, with the potential to produce up […]
The author is working on projects involving microcontrollers, specifically Raspberry Pi Pico boards. The current project involves creating a hardware controller for PTZ cameras and video switching equipment. The author is dissatisfied with the expensive, low-quality control panel currently in use and is developing a more functional, cost-effective alternative. After initial software development challenges using […]
A man with a locked safe sought out the author’s safecracking services after ten years of the safe being inaccessible due to a lost combination. The safe in question was a red Gary safe with a Sargent & Greenleaf dial. The author, with limited knowledge of this model, relied on his expertise to manipulate the […]
SQL Explorer is a Django-based application designed to streamline data flow and simplify SQL querying. It can be integrated into existing Django sites or used as a standalone business intelligence tool. The tool connects seamlessly to any SQL database supported by Django and offers features such as an AI-powered SQL assistant, in-browser pivot tables, query […]
Three days of disorientation in a cold, dark room grappling with the nuances of C++’s initialization rules. Delve into the dangers of default and value-initialization, discover the implications of implicitly-declared default constructors, and uncover the truth behind list-initialization and aggregate initialization. Avoid the perils of parenthesized initializers and embrace the control of writing your own […]
The author introduces a creative way to engage young children in tabletop-style role-playing games by creating interactive stories with familiar settings like Pontypandy from Fireman Sam. However, the children struggle to engage due to verbal skills and short-term memory issues. To enhance the experience, the author creates a makeshift map of Pontypandy by stitching together […]