A Piece of Sunshine

檐下窗欞斜映枝椏 與你席地對座飲茶

Sentiment Analysis Demo, Comparing OpenAI LLMs and TextBlob

Sentiment Analysis Demo: Comparing OpenAI LLMs and TextBlob Introduction Sentiment analysis is a classic Natural Language Processing (NLP) task t...

Posted by Pengyu on February 1, 2026

LangChain in Depth - From Data Pipeline to Agents

LangChain 技术全景：从数据接入到 Agent 的完整链路 LangChain in Depth: From Data Pipeline to Agents 本文从工程视角出发，系统性梳理 LangChain 的核心流程、Chain 类型、Memory 机制以及 Agent 架...

Posted by Pengyu on January 29, 2026

The Biggest Pitfall When Using LangChain / Transformers on macOS

Mac 上使用 LangChain / Transformers 最大的坑：Homebrew Python 冲突（终极解决方案） The Biggest Pitfall When Using LangChain / Transformers on macOS: Homebrew Python...

Posted by Pengyu on January 29, 2026

LeetCode Questions - Solutions in JavaScript

LeetCode Questions: Solutions in JavaScript This post covers solutions to several LeetCode problems, including initial versions and improvements. ...

Posted by Pengyu on December 1, 2025

Note on React Hooks / React Hooks 笔记

UseReducer function reducer(state, action) { switch(action.type) { case 'increment': return { count: state.count + 1 } case 'decre...

Posted by Pengyu on March 10, 2024

Note on Typescript / Typescript 笔记

TypeScript is a superset of JavaScript. As such, a JavaScript program is also a valid TypeScript program and a TypeScript program can seamlessly...

Posted by Pengyu on January 9, 2024

Note on AWS Introduction / AWS基础 笔记

AWS Could Concepts With Could: Initiated within seconds. Treat these as “temporary and disposable” Free from inflexibility and constraints....

Posted by Pengyu on May 5, 2018

Head First Gardening / 菜园初探

Late February - 准备工作 了解学习种植方面的基本知识，技能。可以先从BBC食材花园记录片入手，了解一下。 选取想要种植的食材，最好选取简单易种的入手，查找学习相关的种植经验。 购买种子。在加拿大有很多商店提供植物种子，如果想种植一些国产的作物，也可以在某些农场的网站上购得...

Posted by Pengyu on February 27, 2018