Archive
2026 31
March 31
- 数组的最大美丽值
Date: March 25, 2026
| Last Updated: March 25, 2026
| Estimated Reading Time: 4 min
| Word Count: 1971
| Problem #2779
| Difficulty: Medium
| Author: Hex4C59
- 无重复字符的最长子串
Date: March 25, 2026
| Last Updated: March 25, 2026
| Estimated Reading Time: 4 min
| Word Count: 1858
| Problem #3
| Difficulty: Medium
| Series: hot-100
| Author: Hex4C59
- 每个字符最多出现两次的最长子字符串
Date: March 25, 2026
| Last Updated: March 25, 2026
| Estimated Reading Time: 3 min
| Word Count: 1423
| Problem #3090
| Difficulty: Easy
| Author: Hex4C59
AI 智能体的常见工作流模式——以及何时使用它们
Date: March 25, 2026
| Estimated Reading Time: 7 min
| Word Count: 3269
| Category: AI 与工具
| Topics: agents, workflows, claude, orchestration, multi-agent
| Author: Hex4C59
Prompt engineering 最佳实践
Date: March 25, 2026
| Estimated Reading Time: 12 min
| Word Count: 5548
| Category: AI 与工具
| Topics: prompt-engineering, claude, llm, context-engineering
| Author: Hex4C59
Skills 详解：与 prompts、Projects、MCP、Subagents 如何分工与配合
Date: March 25, 2026
| Estimated Reading Time: 10 min
| Word Count: 4731
| Category: AI 与工具
| Topics: agent-skills, claude, mcp, claude-code, projects
| Author: Hex4C59
什么是 Model Context Protocol？让 AI 连接你的世界
Date: March 25, 2026
| Estimated Reading Time: 6 min
| Word Count: 2779
| Category: AI 与工具
| Topics: mcp, model-context-protocol, claude, agents, integrations
| Author: Hex4C59
什么是 RAG：让大模型用上你自己的知识库
Date: March 25, 2026
| Last Updated: March 25, 2026
| Estimated Reading Time: 8 min
| Word Count: 3938
| Difficulty: Beginner
| Type: Concept
| Topics: rag, retrieval, embeddings, vector-database, agent
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
塑造 2026 年软件构建方式的八大趋势
Date: March 25, 2026
| Estimated Reading Time: 2 min
| Word Count: 921
| Category: AI 与工具
| Topics: claude-code, agents, agentic-coding, engineering
| Author: Hex4C59
快速优化代码性能：从被动分析到主动优化
Date: March 25, 2026
| Estimated Reading Time: 6 min
| Word Count: 2779
| Category: 性能优化
| Topics: claude-code, performance, optimization
| Author: Hex4C59
构建响应式网页布局
Date: March 25, 2026
| Estimated Reading Time: 8 min
| Word Count: 3623
| Category: 前端开发
| Topics: claude-code, css, responsive-design, frontend
| Author: Hex4C59
构建多智能体系统：何时使用、如何使用
Date: March 25, 2026
| Estimated Reading Time: 10 min
| Word Count: 5003
| Category: AI 与工具
| Topics: multi-agent, agents, claude, orchestration, context-engineering
| Author: Hex4C59
用 Agent Skills 为真实世界装备智能体
Date: March 25, 2026
| Estimated Reading Time: 6 min
| Word Count: 2684
| Topics: agent-skills, claude-code, claude
| Author: Hex4C59
用 Skills 与 MCP 服务器扩展 Claude 的能力
Date: March 25, 2026
| Estimated Reading Time: 7 min
| Word Count: 3223
| Category: AI 与工具
| Topics: mcp, agent-skills, claude, agents, integrations
| Author: Hex4C59
用 Skills 构建智能体：为专业化工作装备智能体
Date: March 25, 2026
| Estimated Reading Time: 7 min
| Word Count: 3342
| Category: AI 与工具
| Topics: agent-skills, claude-code, mcp, claude-agent-sdk, agents
| Author: Hex4C59
超越权限提示：让 Claude Code 更安全、更自主
Date: March 25, 2026
| Estimated Reading Time: 5 min
| Word Count: 2099
| Category: 安全
| Topics: claude-code, security, sandboxing
| Author: Hex4C59
从零构建 CLI Coding Agent：ReAct 驱动的实战实现
Date: March 24, 2026
| Last Updated: March 24, 2026
| Estimated Reading Time: 14 min
| Word Count: 7004
| Difficulty: Advanced
| Type: Tutorial
| Topics: coding-agent, cli, tool-use, react, state-management
| Frameworks: OpenAI
| Series: agent-engineering
| Author: Hex4C59
Skill：不改模型、不写代码，教会 Agent 做专家级别的事
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 12 min
| Word Count: 5847
| Difficulty: Beginner
| Type: Concept
| Topics: skill, knowledge, prompt, agent, architecture
| Frameworks: Cursor, OpenAI
| Series: agent-engineering
| Author: Hex4C59
MCP：让 Agent 的工具生态不再各自为战
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 15 min
| Word Count: 7074
| Difficulty: Intermediate
| Type: Concept
| Topics: mcp, tool-use, protocol, architecture, agent
| Frameworks: Anthropic, OpenAI
| Series: agent-engineering
| Author: Hex4C59
多 Agent 协作：当一个 Agent 不够用时，如何让多个 Agent 分工合作
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 15 min
| Word Count: 7293
| Difficulty: Intermediate
| Type: Concept
| Topics: multi-agent, orchestration, coordination, supervisor, handoff
| Frameworks: OpenAI, Anthropic, LangGraph, CrewAI
| Series: agent-engineering
| Author: Hex4C59
Reflection：Agent 如何审视自己的输出并纠正错误
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 11 min
| Word Count: 5077
| Difficulty: Intermediate
| Type: Concept
| Topics: reflection, self-critique, quality-control, agent, planning
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
Prompt 设计：Agent 的系统提示词怎么写
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 12 min
| Word Count: 5670
| Difficulty: Intermediate
| Type: Concept
| Topics: prompt, system-prompt, context, agent, tool-use
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
工具接口设计：让 Agent 用得好，比让 Agent 用得上更难
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 10 min
| Word Count: 4951
| Difficulty: Intermediate
| Type: Concept
| Topics: tool-use, tool-design, agent, mcp, interface-design
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
如何评测一个 Agent：不只是看它回答得好不好
Date: March 23, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 10 min
| Word Count: 4761
| Difficulty: Intermediate
| Type: Concept
| Topics: eval, agent, reliability, task-completion, testing
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
Planning：当 ReAct 不够用时，Agent 如何提前分解目标
Date: March 22, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 11 min
| Word Count: 5278
| Difficulty: Intermediate
| Type: Concept
| Topics: planning, plan-and-execute, agent, task-decomposition, reflection
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
ReAct：模型如何让推理与行动交替运转
Date: March 22, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 9 min
| Word Count: 4169
| Difficulty: Advanced
| Type: Concept
| Topics: react, reasoning, tool-use, agent, planning
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
上下文与记忆：Agent 为什么会在长任务中失去方向，以及如何设计状态管理
Date: March 22, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 12 min
| Word Count: 5861
| Difficulty: Advanced
| Type: Concept
| Topics: context-window, memory, state-management, agent, long-horizon-tasks
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59
- 定长子串中元音的最大数目
Date: March 22, 2026
| Last Updated: March 22, 2026
| Estimated Reading Time: 4 min
| Word Count: 1514
| Problem #1456
| Difficulty: Medium
| Author: Hex4C59
- 两数之和
Date: March 22, 2026
| Last Updated: March 22, 2026
| Estimated Reading Time: 4 min
| Word Count: 1809
| Problem #1
| Difficulty: Easy
| Series: hot-100
| Author: Hex4C59
Tool Use：为什么它是 Agent 的核心能力
Date: March 22, 2026
| Last Updated: March 23, 2026
| Estimated Reading Time: 11 min
| Word Count: 5026
| Difficulty: Advanced
| Type: Concept
| Topics: tool-use, function-calling, architecture, llm
| Frameworks: OpenAI, Anthropic
| Series: agent-engineering
| Author: Hex4C59