Space Race: Shenzhou-23 docking with Tiangong — China's success https://sudonull.com/space-race-shenzhou-23-docking-with-tiangong-china-s-success
China successfully docked Shenzhou-23 with the Tiangong station in 6.5 hours. Against the backdrop of Boeing Starliner problems — analysis of risk philosophy, military experiments, and 3D printing of organs in space. Read the details.
MySQL solutions in PostgreSQL: Polar architecture for high performance https://sudonull.com/mysql-solutions-in-postgresql-polar-architecture-for-high-performance
How Tantor Polar integrates MySQL technologies into PostgreSQL. Compute/storage separation architecture, RDMA and NVMe-oF. Technical details for developers.
SD card as ROM for RISC-V YRV FPGA https://sudonull.com/sd-card-as-rom-for-risc-v-yrv-fpga
Implementation of SD card as program memory for YRV on Tang Nano 9K: FSM, SPI, tests with HELO. Instructions for FPGA developers. Study the code and optimizations.