PinnedHannah LininHannah Lin從非本科系到矽谷工程師 — 夢想完成後的學習能夠把興趣當工作真的是很幸福的一件事，雖然成長過程一樣會經歷種種挫折與低潮May 26, 20206May 26, 20206
Hannah LininHannah LinReact.memo 沒有你想得這麼簡單(with useMemo/useCallback)雖然 React.memo 可以避免不必要 re-render ，但必須確保所有 props 都是 primitive 並且相同的Sep 16Sep 16
Hannah LininHannah LinuseMemo, useCallback 是效能救星還是災星?useMemo, useCallback only for re-render，不正確的使用反而讓效能大打折扣Sep 14Sep 14
Hannah LininHannah Lin[演算法筆記] RecursionWhere recursion shines is when you use it to break down a problem into “subproblems”, whose solutions can then be combined to solve the…Aug 151Aug 151
Hannah LininHannah Lin[演算法筆記] Two Pointer & Prefix sumStart the pointers L=0,R=input.length — 1at the edges of the input. Move them towards each other until they meet.Aug 1Aug 1
![[演算法筆記] Recursion](https://miro.medium.com/v2/resize:fill:160:106/1*UcARicE75s2mcwE1bXg1Gw.jpeg)
![[演算法筆記] Recursion](https://miro.medium.com/v2/resize:fill:320:214/1*UcARicE75s2mcwE1bXg1Gw.jpeg)
![[資料結構筆記] Hashing](https://miro.medium.com/v2/resize:fill:160:106/1*Gh86mfJNqyhvMrPOEVvQNQ.jpeg)
![[資料結構筆記] Hashing](https://miro.medium.com/v2/resize:fill:320:214/1*Gh86mfJNqyhvMrPOEVvQNQ.jpeg)
![[演算法筆記] Two Pointer & Prefix sum](https://miro.medium.com/v2/da:true/resize:fill:160:106/1*iJ753jJDtXzC3kMw7LNqcg.gif)
![[演算法筆記] Two Pointer & Prefix sum](https://miro.medium.com/v2/da:true/resize:fill:320:214/1*iJ753jJDtXzC3kMw7LNqcg.gif)
