Arm Ethos-U85 with Cortex-M85 explained: MAC configs, Vela compiler, TOSA, transformer support, memory bandwidth, and how it compares with Ethos-U55 and U65.
BehaviorTree.CPP vs finite state machines vs SMACC2 for robot task logic: reactivity, modularity, blackboards, Nav2 integration, debugging with Groot2.
micro-ROS explained: XRCE-DDS client-agent design, RMW, transports, memory budgets on Cortex-M and ESP32, real-time executors, and a working publisher.
ISO 8583 vs ISO 20022 explained: bitmaps, data elements, authorization vs clearing, XML message families, field mapping challenges and how card and bank.
FAPI 2.0 explained: the OpenID Foundation security profile for open banking, PAR, PKCE, DPoP and mTLS sender-constrained tokens, JAR/JARM, attack models.
Feature flag architecture explained: OpenFeature, flag evaluation models, targeting and bucketing, kill switches, flag debt and progressive delivery, with.
PgBouncer vs PgCat vs RDS Proxy compared: Postgres connection cost, session vs transaction pooling, prepared statements, pinning, sizing formulas and a.