This article explains how Netty 4.2 leverages Linux io_uring's zero-copy send (IORING_OP_SEND_ZC) to avoid user-kernel data copies, detailing the two completion queue events (CQEs) — I/O completion and buffer release notification — and Netty's handling logic with code examples.
This article explains the responsibilities of Customer, Design, Supplier, and Process Quality Engineers (CQE, DQE, SQE, PQE) in enterprise quality management, illustrates their actions with an electric‑vehicle brake‑system case, and presents detailed performance‑assessment matrices for each role, followed by a brief promotion of a DevOps certification program.
This article explains how to identify and refactor typical “流水账” (spaghetti) code in a checkout API by applying Domain‑Driven Design layers—splitting responsibilities into Interface, Application, and Domain layers, using CQE objects, DTO assemblers, and anti‑corruption facades to achieve clear, maintainable modules.
