Coding

6 posts in this topic

Creality K1 CFS improved purging

How the Creality CFS works and how to retrude before cutting the filament so reduce waste.

Reverse Engineering Cython Binaries: A Deep Dive into CPython

Inner workings of Cpython and how surprisingly good AI models are at reading decompiled Cython code.

50x Faster OLED Text Rendering with Pre-Paged Font Optimization

How pre-converting fonts to SSD1306's native page format and batched I2C writes achieves massive performance gains on MicroPython

Model E1337 - Rolling Code Lock

Writeup for the CTF challenge Model E1337 - Rolling Code Lock from Hacker101.

Tutorial: Writing a Manual Mapper part 1

This guide covers knowledge about PE-Format that we need to write a manual dll mapper, which loads a dll into another processes memory. The next guide covers how to actually implement it.

Tutorial: Writing a Manual Mapper part 2

This guide covers how to implement a manual dll mapper, which maps a dll into another processes memory using C++ and the Windows API.