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ee8042237273ea895f4d6e07d62acb99e616711c
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Author SHA1 Message Date
yasinshaw
ee80422372 vault backup: 2026-03-03 00:07:29 2026-03-03 00:07:29 +08:00
yasinshaw
99fee3dadd vault backup: 2026-03-02 18:46:34 2026-03-02 18:46:34 +08:00
yasinshaw
a95c605bbf refactor: 重组项目文件结构 
- 将项目概述文件移至根目录
- 将算法学习指南移至 questions 目录
- 将面试准备进度移至根目录
- 删除空的 questions 文件
- 更新 Obsidian 主题配置
 2026-03-02 18:14:26 +08:00
yasinshaw
7f3ab362b3 feat: rename Golang files to Chinese and supplement root files 
Changes:
- Renamed all 10 Golang files from English to Chinese names
- Created 00-项目概述/项目概述.md with comprehensive project overview
- Created 08-算法与数据结构/算法与数据结构学习指南.md with detailed learning guide
- Created 12-面试技巧/面试准备进度.md with progress tracking
- Added .obsidian configuration for better markdown editing
- Updated Claude.MD with Chinese filename rule

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>
 2026-03-01 00:33:32 +08:00
yasinshaw
ab3a99f131 feat: add 10 Golang interview questions 
Added comprehensive Golang interview preparation materials:
- 基础语法（值类型、切片、map、defer、接口、struct、new/make）
- Goroutine 和并发模型（与线程对比、调度模型、内存模型）
- 错误处理和测试（error、panic/recover、单元测试、Benchmark）
- 并发编程进阶（Mutex、RWMutex、WaitGroup、atomic、数据竞争）
- HTTP 和 Web 开发（Client、Server、中间件模式）
- 内存模型和垃圾回收（内存分配、逃逸分析、GC）
- 性能优化（pprof、内存优化、CPU优化、并发优化）
- 反射和 unsafe（反射性能、unsafe 使用场景）
- 接口和类型系统（类型断言、interface{}、类型嵌入、泛型）
- 数据库操作（database/sql、GORM、事务、SQL 注入防护）
- 项目结构和工程化（标准项目结构、Go Module、CI/CD）

Each file includes:
- Detailed questions and comprehensive answers
- Code examples and best practices
- Alibaba P7 level requirements

Total: 60 interview questions (50 backend + 10 Golang)

Generated with [Claude Code](https://claude.com/claude-code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>
 2026-03-01 00:16:36 +08:00
yasinshaw
0e46a367c4 refactor: rename files to Chinese and organize by category 
Organized 50 interview questions into 12 categories:
- 01-分布式系统 (9 files): 分布式事务, 分布式锁, 一致性哈希, CAP理论, etc.
- 02-数据库 (2 files): MySQL索引优化, MyBatis核心原理
- 03-缓存 (5 files): Redis数据结构, 缓存问题, LRU算法, etc.
- 04-消息队列 (1 file): RocketMQ/Kafka
- 05-并发编程 (4 files): 线程池, 设计模式, 限流策略, etc.
- 06-JVM (1 file): JVM和垃圾回收
- 07-系统设计 (8 files): 秒杀系统, 短链接, IM, Feed流, etc.
- 08-算法与数据结构 (4 files): B+树, 红黑树, 跳表, 时间轮
- 09-网络与安全 (3 files): TCP/IP, 加密安全, 性能优化
- 10-中间件 (4 files): Spring Boot, Nacos, Dubbo, Nginx
- 11-运维 (4 files): Kubernetes, CI/CD, Docker, 可观测性
- 12-面试技巧 (1 file): 面试技巧和职业规划

All files renamed to Chinese for better accessibility and
organized into categorized folders for easier navigation.

Generated with [Claude Code](https://claude.com/claude-code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>
 2026-03-01 00:10:53 +08:00
yasinshaw
fe2e6dc2f2 feat: add 50 backend interview questions and answers 
Generated comprehensive interview preparation materials covering:
- Distributed systems (transactions, locks, ID generation, consistency)
- Database (indexing, sharding, replication, transactions)
- Caching (Redis, cache problems, distributed lock)
- Message queues (RocketMQ, Kafka)
- Concurrency (ThreadLocal, ConcurrentHashMap, thread pools)
- JVM (GC, memory, tuning)
- System design (seckill, short URL, IM, feed, LBS)
- Algorithms (B+ tree, LRU, Red-Black tree, Skip list, Timing wheel)
- Network (TCP/IP, HTTP/HTTPS)
- Security (encryption, SQL injection, XSS)
- Performance tuning
- Design patterns
- Microservices (Spring Boot, Gateway, Service Mesh)
- Container orchestration (Kubernetes, Docker)
- CI/CD, observability

Each file includes:
- Detailed questions
- Comprehensive answers
- Code examples
- Real project experience
- Alibaba P7 level requirements

Generated with [Claude Code](https://claude.com/claude-code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>
 2026-03-01 00:09:50 +08:00
yasinshaw
d80d1cf553 feat: add infrastructure interview questions 
Add comprehensive interview materials for:
- Service Mesh (Istio, Linkerd)
- RPC Framework (Dubbo, gRPC)
- Container Orchestration (Kubernetes)
- CI/CD (Jenkins, GitLab CI, GitHub Actions)
- Observability (Monitoring, Logging, Tracing)

Each file includes:
- 5-10 core questions
- Detailed standard answers
- Code examples
- Real-world project experience
- Alibaba P7 bonus points

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-03-01 00:06:28 +08:00
yasinshaw
e10105c54a docs: add comprehensive algorithms guide 
- Add ALGORITHMS.md guide for algorithm and data structure preparation
- Include overview of all core algorithm topics
- Document structure and usage guide
- List related system design topics
- Provide getting started instructions

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-02-28 23:45:25 +08:00
yasinshaw
bb4f59a6d7 feat: add advanced algorithm and data structure interview questions 
- Add B+ Tree implementation with detailed explanations and Java code
- Add LRU Cache implementation with multiple approaches
- Add Red-Black Tree implementation with rotation operations
- Add Skip List implementation with probabilistic balancing
- Add Timing Wheel algorithm for task scheduling
- Include detailed time complexity analysis and practical applications
- Add comparison with other data structures and common interview questions

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-02-28 23:44:18 +08:00
yasinshaw
71e3497bfd feat: add comprehensive system design interview questions 
- design-seckill.md: 秒杀系统设计
- design-shorturl.md: 短链接系统设计
- design-lbs.md: LBS附近的人系统设计
- design-im.md: 即时通讯系统设计
- design-feed.md: 社交信息流系统设计

Each document includes:
- Requirements analysis and data volume assessment
- Technical challenges
- System architecture design
- Database design
- Caching strategies
- Scalability considerations
- Practical project experience
- Alibaba P7 level additional points

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-02-28 23:43:36 +08:00
yasinshaw
25e6afdcb7 feat: add message queue Q&A (RocketMQ/Kafka) 2026-02-28 21:10:27 +08:00
yasinshaw
3b61ef5935 feat: add MySQL index optimization Q&A 2026-02-28 21:07:32 +08:00
yasinshaw
503ac6281e feat: add Redis cache problems Q&A (penetration/breakdown/avalanche) 2026-02-28 20:54:35 +08:00
yasinshaw
fafba719fa feat: add distributed transaction Q&A 2026-02-28 20:50:13 +08:00
yasinshaw
f186d7fcf7 chore: initialize interview preparation project 2026-02-28 20:44:39 +08:00