Projects & Case Studies
Real-world projects: payment gateway microservices, full-stack apps, Django backends, RAG systems and more.
Password CRUD Demo Application
A demonstration web application for password CRUD operations with plain text storage demo purposes only.
Read article →Software Requirements Specification SRS
Product: Password CRUD Next.js + Express.js + Prisma + SQLite – Plain Password Demo Version: 1.1 Date: 29Aug2025 Author: ChatGPT “Cathy”
Read article →Android Development Exercises
1. Start Small: Begin with simple modifications 2. Read Documentation: Use official Android docs 3. Experiment: Try breaking things and fixing them 4. Ask Questions: Don't hesitate to seek help 5. Practice Regularly: Con
Read article →Android App Development with Kotlin Learning Guide
Explanation: lateinit var: Declares a variable that will be initialized later common in Android var: Mutable variable can be changed val: Immutable variable cannot be changed after initialization
Read article →Android Development Learning Path
Week 1 Deliverables: Working Android Studio setup Basic Kotlin knowledge Understanding of Android project structure First modifications to the Blackjack app
Read article →Blackjack (21) Overview
Blackjack 21 Overview Blackjack, also known as 21, is a popular card game often played in casinos. The goal is to have a hand value close to 21 without going over.
Read article →Kotlin Syntax Quick Reference
// Mutable variables var count = 0 // Can be changed var message: String? = null // Nullable String
Read article →Software Requirements Specification SRS
Document Version: 1.0 Last Updated: Current Date Prepared By: Development Team Approved By: Project Stakeholder
Read article →README
Backend API for auth flows to support your login screen.
Read article →PawMatch Backend API
A Flaskbased backend API for the PawMatch cat matching and health analysis platform.
Read article →or
This is a Next.jshttps://nextjs.org project bootstrapped with createnextapphttps://nextjs.org/docs/app/apireference/cli/createnextapp.
Read article →File Upload Fix Summary
Fixed: Added cursor: pointer to make it clear the area is clickable Added display: block for full clickability Added background color for better visibility Added smooth transitions for better UX
Read article →Image Cropping Issue FIXED
objectfit: cover fills the container by cropping the image, which cuts off parts of the photo.
Read article →Weight Management V2 Django Web Application
A modern Djangobased web application for weight management and body transformation visualization. Users can input their body metrics weight, height, age and upload photos to receive personalized weight loss plans with AI
Read article →CSV to Excel
Read multiple CSV files from a directory and write them into a single Excel .xlsx file. Each CSV file becomes one sheet in the workbook.
Read article →TensorFlow vs PyTorch vs Hugging Face 詳細比較
TensorFlow 是由 Google Brain 團隊於 2015 年開源的端到端機器學習框架。它最初以靜態計算圖（Static Computation Graph）為核心設計，後來在 TensorFlow 2.x 中預設啟用了 Eager Execution（動態執行模式），大幅提升了開發體驗。
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