THE PERSONAL NOTEBOOK
Ideas worth
coming back to.
Notes on building software, understanding markets, and learning along the way.
写代码，读世界，记录持续生长的想法。
110 notesIn English & 中文Always growing
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A few things I keep thinking aboutStart here
A few paths into the notebookSystem Design Toolbox
Part 1. Storage 1. Relational Database (Tier1) Quick Reference Deep dive: RDBMS Toolbox 2. Time-Series Database (Tier3) 3. Redis (Tier1) Quick Reference De
Algo
20-Second Decision Tree Pattern 1: HashMap ⭐⭐⭐⭐⭐ When: O(1) lookup, counting, grouping, finding pairs Sub-patterns: 1. Complement/Pair Lookup — Store one,
原子习惯 - 读书笔记
《原子习惯》是一本让我很喜欢的书。 从这本书中，我了解到，要养成一个习惯，仅仅依靠设定目标是不够的，更重要的是建立身份认同（Identity）和行动。当身份认同、行动和目标三方面相互配合时，养成习惯的成功概率会大大提高。 习惯的复利 习惯真正的力量来自时间的复利。好习惯往往当下会有一点痛苦，但长期有益；坏习惯
Recent notes
From the dated entriesA notebook, always in progress.
Some ideas are polished. Others are still taking shape. All are part of the journey.