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===== 6) 你可能低估「基础技能的深耕」带来的长期回报(算法、系统设计、数学、单元测试) ===== 真相:新技术层出不穷,但基础能力(数据结构与算法、系统设计、可靠工程)决定你能否把复杂问题拆解并稳健实现。你参加竞赛、写算法题,但若把时间切到系统性学习上,回报更可持续。 重要性:求职中的技术面试、关键系统建设都依赖此。 立刻可做:每天安排 30 分钟做一道中等难度的算法题并写出完整解法(含复杂度分析)。 1–4周:完成 2-3 个典型系统设计的学习笔记(负载、数据库选型、缓存、扩展策略)。 1–3个月:在一个小项目里把这些原则落地(例如把某服务从单机改成带缓存、连接池的版本并测一次性能)。
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