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Articles

All articles and tutorials

18 articles

Academic Paper Agent

March 22, 2026
8 min read
213 views
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AI

Prompt for Reducing AI Rate in Papers

March 11, 2026
5 min read
190 views
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Blog

Migrating Heroku Backend to Render

Why Render Before the migration, I compared several mainstream cloud platforms and ultimately chose Render.

March 8, 2026
5 min read
311 views
python3render+1
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Final Exam Review

ABF507 Final Exam Review: Mock Exams + Critical Questions

ABF507 Mock Exam 1 - 8 Core Topics πŸ“‹ Exam Information | Item | Details | |------|---------| | Total Points | 100 | | Time Allowed | 120 minutes | | Questions | 8 Questions | |

January 25, 2026
30 min read
238 views
ABF507Mock Exam+7
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Final Exam Review

ABW505 Mock Exams (1+2): Python & Machine Learning (Verified Answers)

ABW505 Mock Exam 1 - Python & Machine Learning πŸ“‹ Exam Information | Item | Details | |------|---------| | Total Points | 100 | | Time Allowed | 90 minutes | | Format | Closed boo

January 24, 2026
39 min read
296 views
ABW505Mock Exam+3
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Final Exam Review

ABW505 Complete Question Bank: Python & Machine Learning (All English)

ABW505 Complete Question Bank - Python & Machine Learning > πŸ“š All code in this document has been verified and tested. Every answer includes detailed explanations and comments. --- πŸ“‹ Exam S

January 24, 2026
36 min read
218 views
ABW505Python+3
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Final Exam Review

ABW501 Mock Exams (1+2): Analytics Edge (With Answers)

ABW501 Mock Exam 1 - Analytics Edge πŸ“‹ Exam Information | Item | Details | |------|---------| | Total Points | 100 | | Time Allowed | 90 minutes | | Format | Closed book, calculat

January 24, 2026
19 min read
227 views
ABW501Mock Exam+4
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Final Exam Review

ABF507 Final Exam Review (Weeks 8–13) + High-Frequency Predictions

πŸ“š Exam Info - Format: 5 essay/short-answer questions - Coverage: Weeks 8–13 - Core Topics: GDP, utility, oligopoly, supply & demand, fiscal/monetary policy, trade, inequality, elasti

January 24, 2026
3 min read
269 views
ABF507Macroeconomics+4
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Articles

Cloudflare Worker Cron Watchdog: SPOF Fix and Automatic DNS Failover for the Vercel Proxy Architecture

The third-party CNAME node pool in the optimized proxy setup is a hidden single point of failure (SPOF). This guide implements a zero-cost watchdog using Cloudflare Worker Cron Triggers: Google DoH serves as an external probe to monitor upstream health, with automatic DNS failover and recovery between the optimized CNAME and CF official IPs.

March 7, 2026
6 min read
141 views
CloudflareWorker+5
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Articles

Cloudflare for SaaS + Worker: Optimal IP Routing and Edge Cache Proxy for Vercel

A practical guide on using Cloudflare for SaaS combined with Workers to solve Vercel's high latency and connection reset issues in mainland China. Build a centralized Worker routing hub to achieve multi-project domain dispatch, optimized IP ingress, and edge-node static asset caching.

March 6, 2026
7 min read
111 views
VercelCloudflare+5
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Articles

Building a Cloudflare R2 Image Hosting: Complete Guide for Next.js Blogs

A practical guide documenting the complete process of implementing Cloudflare R2 as an image hosting solution for blogs, including automated upload scripts and best practices.

February 2, 2026
7 min read
200 views
CloudflareR2+3
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Articles

Complete Guide - Configuring Cloudflare Preferred IP Nodes on an IPv6 VPS

A comprehensive guide on how to set up a node supporting Cloudflare's preferred IP using Yongge's script on a Hax IPv6 Only VPS. This guide addresses three major issues - inability to download, missing environment, and failed certificate application.

January 31, 2026
5 min read
221 views
IPv6Cloudflare+3
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Articles

Building a Personal Touch - How I Added Typewriter Effects and Smooth Animations to My Blog

Transforming a generic "Tech Blog" into "Leon's Insights" with smooth typewriter effects and performance-optimized animations. A complete guide to adding personality to your Next.js blog while maintaining optimal performance.

January 31, 2026
7 min read
159 views
TypeScriptReact+3
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Articles

Chrome Translate Caused React Hydration Errors β€” Diagnosis and Mitigation

How Chrome's built-in page translation can mutate the DOM, causing React hydration/runtime errors β€” investigation, mitigations we tried, and recommended approach.

January 31, 2026
5 min read
247 views
ReactInternationalization+2
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Articles

NAT VPS Optimal Node Setup

Ultimate Guide: German NAT VPS / IPv6 Only Setup (Argo Tunnel + WARP + BBR) This guide will walk you through building a high-performance node on a German LXC NAT VPS (or IPv6-only VPS) using

January 29, 2026
6 min read
187 views
v2rayclash+2
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Final Exam Review

ABW501 (Analytics Edge) Final Exam Review: Full Prediction Guide

πŸ“š Exam Info - Format: 4 structured questions - Coverage: Weeks 1, 2, 5, 7 + core analytics concepts - Tip: Keep answers concise; use tables/keywords; calculator allowed --- πŸ“Έ V

January 24, 2026
4 min read
275 views
Final ExamABW501+2
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Final Exam Review

ABW505 Python & Predictive Analytics Final Exam: Ultimate Revision Guide

πŸŽ“ Official Exam Structure | Q | Points | Type | Coverage | |:--:|:--:|:--:|:--| | Q1 | 20 | Type 2 | Python basics: objects, variables, IO, list/tuple, functions, loops, conditions | | Q2

January 24, 2026
3 min read
235 views
Final ExamABW505+5
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Articles

Enterprise AI Adoption Strategy Analysis

Research Background In today’s digital era, enterprises face a strategic crossroads in adopting AI. Some organizations embrace AI aggressively, focusing on automation and innovation; others take

January 17, 2026
11 min read
213 views
AI StrategyOrganizational Management+3
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