reaper

the mind can only deteriorate so far ... the rest is hard work 🤪

[MathGeekDaily @MathGeekDaily]

Divisibility Rules

[reaper @reaper2k12]

@zephyr45_r @Cybernews probably via device fingerprints, when you plug in a usb device it gets registered and "remembered" this way you can trace which systems a particular isb stick was plugged into

[reaper @reaper2k12]

@davepl1968 i hate how familliar this sounds 😑

[reaper @reaper2k12]

@MathGeekDaily 6

[Param @ParamSiddh]

AI & ML FREE Courses from Stanford:

❯ CS336 - LLM from Scratch
❯ CS221 - Artificial Intelligence
❯ CS229 - Machine Learning
❯ CS230 - Deep Learning
❯ CS234 - Reinforcement Learning
❯ CS224N - NLP with Deep Learning

All course links inside:

[Saidul @saidul_dev]

If you've owned an iPhone in the last 10 years, Apple recorded you.

Medical visits. Bedroom moments. Drug deals. Apple contractors listened to the clips.

They just paid $95 million to settle it. Checks up to $100 are in the mail right now.

Most iPhone users have no idea this happened to them.

Here's how to stop it in 30 seconds:

[reaper @reaper2k12]

@farman4x 16

[reaper @reaper2k12]

@ferarri001 280

[LaurieWired @lauriewired]

actually, the best toothpaste comes from US Army research into bioactive glass for bone repair during the vietnam war.

a professor in london expanded upon the research for bone grafts and rolled the tech into a company called biomin. fills the dental microtubules with bioglass that has insane acid resistance

very difficult to get in the US though, it's not OTC. it's pretty amazing though

[reaper @reaper2k12]

@TheCyberNemesis @RedFasterX @vxdb and they dont even know how many browsers block their tracking

[reaper @reaper2k12]

@uncledoomer dunno, maybe its the all-in-one starter kit for sale ^^

[reaper @reaper2k12]

@BUILDwithVAYNE @PythonPr python is the no 1 choice in rapid prototyping and for proof of concepts

[Param @ParamSiddh]

1. Algebra is good for problem-solving.

2. Geometry is good for visual thinking.

3. Calculus is good for understanding change.

4. Statistics is good for decision-making.

5. Number theory is good for logical discipline.

6. Linear algebra is good for modern science and engineering.

7. Discrete math is good for computer science.

8. Differential equations are good for modeling the real world.

9. Optimization is good for smart planning.

10. Graph theory is good for network thinking.

11. Set theory is good for structured reasoning.

12. Practice is good for mathematical fluency.

13. Curiosity is good for lifelong learning in math.

[Shubham Mishra 🐐 @shubh6200]

90% of performance bottlenecks come down to a single factor: Memory misuse.

Algorithms matter, but cache misses and bad RAM access patterns will destroy your latency faster than anything else.

Ulrich Drepper wrote the definitive 104-page masterclass on how CPU caches and RAM actually work under the hood. It’s almost two decades old and still undefeated.

Essential reading for every serious engineer. 100% free to read, Save this for your weekend reading list.
https://t.co/DeEqcl1HWb

[trish @TrisH0x2A]

C is one of the few mainstream languages that leaves hash tables entirely up to you

if you need one you either write it yourself or use a library

James Routley published a free tutorial that builds a real hash table from scratch using open addressing double hashing and resizing

the whole implementation is only about 200 lines of C

[Praveen Kumar Verma @Alacritic_Super]

🦀 Rust on ESP32 just got a lot better.

Espressif The Rust on ESP Book is a comprehensive guide for building firmware with Rust on ESP chips.

Topics Covered:

- Setting up the Rust toolchain for ESP32
- Understanding the Espressif Rust ecosystem
- Choosing between "std" and "no_std"
- Working with "esp-hal" and core crates
- GPIO, UART, SPI, I2C, timers, and interrupts
- Async programming on embedded devices
- Logging, memory allocation, and configuration
- OTA updates and application structure
- Testing and debugging embedded Rust applications
- Support for both Xtensa and RISC-V based ESP chips

Supported families include:

- ESP32
- ESP32-S2
- ESP32-S3
- ESP32-C2
- ESP32-C3
- ESP32-C5
- ESP32-C6
- ESP32-H2
- ESP32-P4

If you are an embedded developer looking for memory safety without sacrificing performance, this is one of the best places to start. The guide walks through the tooling, hardware, and application development needed to build production firmware on Espressif devices.

Read it here: https://t.co/xsUb9KasKz

[Muqsit 𝕏 @mqst_]

🌠 Linux Deep Dive: How does Linux start a process

Blog: https://t.co/paqe7OjrZN

[ard @ardchain]

ZERO-LATENCY AIMBOT? WORSE. A ZERO-LATENCY PHYSICAL TURRET

someone built a rig in their garage that shoots exactly where you click on the live video feed

no cloud APIs, no server lag. just raw local execution. a simple python tkinter GUI captures mouse coordinates and streams them over websockets.

- the local $8 ESP32 chip processes the spatial data
- the robotic arm pivots instantly to match the digital vector
- the green laser locks onto the exact physical coordinate with zero delay

you know where this is going?

if the guy who built the head-tracking software ever meets the guy who built this physical turret... WE ARE SO COOKED.

[tetsuo @tetsuoai]

Hanson's C Interfaces and Implementations.

Learn proper abstraction in C.

[BuBBliK @k1rallik]

THEY DELETED IT. THE INTERNET DIDN'T

Anthropic pulled the leaked Claude share links from Google this weekend. Feels like it's over.

It isn't - the internet remembers everything you make public, even for a second.

- ChatGPT had the identical leak in July 2025, shared conversations indexed and searchable
- Grok leaked hundreds of thousands of transcripts in August 2025, some of it graphic
- Claude already leaked once before this, in September 2025, with 600 chats indexed
- Deindexing from Google removes a page from search, not from the internet

Someone scraped the leak before the fix and archived it publicly on GitHub - and it's not just Claude chats sitting there. Grok's leaked conversations are archived right alongside them.

Link in the comments.