This article focuses on a set of foundational C programming labs. Across seven independent exercises, it trains function encapsulation, conditional branching, recursive design, and loop-based output. The goal is to solve a common beginner problem: being able to write statements, but not yet being able to abstract logic into functions. Keywords: C, recursion, function design. … Read more
This article focuses on the foundational mechanics of C++ classes and objects: how classes implement encapsulation, how objects are instantiated, when default member functions are sufficient, and when you must customize them. It addresses common beginner pain points such as shallow copy, resource release, and initialization order. Keywords: C++ classes and objects, default member functions, … Read more
Low-code is a software development paradigm centered on visual modeling, metadata-driven architecture, and workflow orchestration. Its goal is to significantly shorten delivery cycles, lower the barrier to development, and improve business collaboration efficiency while preserving extensibility. It primarily addresses slow enterprise application delivery, limited IT capacity, and complex system integration. Keywords: low-code platform, visual development, … Read more
[AI Readability Summary] Ansible Playbooks turn scattered operations commands into repeatable automation workflows for deployment, configuration, and inspection. They solve the reuse, maintenance, and collaboration limits of ad-hoc commands. Keywords: Ansible Playbook, YAML, Infrastructure Automation. Technical Specifications Snapshot Parameter Description Language YAML Execution Tool ansible-playbook Communication Protocol SSH Applicable Targets Linux hosts, application services, database … Read more
[AI Readability Summary] Claude Opus 4.7 is Anthropic’s latest flagship model, with major improvements in coding, visual understanding, long-horizon task execution, and instruction following. For users in China, where registration, payment, and access are often difficult, the DeepSider browser extension provides a practical way to use it directly. Keywords: Claude Opus 4.7, DeepSider, AI coding. … Read more
This guide explains how to use FRP on Ubuntu to build a stable SSH tunneling path: run frps on a public server, run frpc on an internal host, access the target machine through the public IP and mapped port, and combine systemd with network checks to enable automatic reconnection. Keywords: FRP, Ubuntu, SSH. Technical Specification … Read more
This article explains how to implement RBAC with Spring Security and JWT. It focuses on user modeling, authentication filters, role-based authorization, and stateless session management to solve common issues such as scattered API permissions, hard-to-maintain login state, and poor extensibility. Keywords: Spring Security, RBAC, JWT. Technical specifications are summarized below Parameter Description Core language Java … Read more
Agentic AI in 2026 is evolving from systems that can merely answer questions into enterprise-grade agent infrastructure that can execute, plan, and collaborate. This article distills seven major trends: tool orchestration, multi-agent systems, autonomous decision-making, context engineering, MCP, security and governance, and agent programming. Keywords: Agentic AI, MCP, Context Engineering. Technical Snapshot Parameter Details Domain … Read more
This roadmap is designed for Chinese developers learning Agents: learn-claude-code breaks down the essence of an Agent through a minimal loop and tool calling, while hello-agents fills in the bigger picture with a complete Chinese tutorial covering frameworks, protocols, and hands-on projects. Together, they address three common pain points: getting started, gaining practical experience, and … Read more
Redis is a high-performance NoSQL database widely used for caching, queues, and distributed locks. This article focuses on production-ready configuration and optimization practices that address common risks such as insecure default launches, uncontrolled memory usage, unstable persistence, and insufficient high availability. Keywords: Redis configuration, performance optimization, high availability. Technical Specifications Snapshot Parameter Description Language C … Read more