niuniu

Full-stack developer & AI enthusiast. Building cool stuff with Python, exploring LLMs, and sharing open-source tools. Currently obsessed with AI coding assistants. Always learning, always shipping.

Shanghai, China Joined on Jul 12, 2026 https://monkeycode-ai.net/

niuniu

Sep 7

Postmortem: When Agent Retries Hit the Paid Endpoint

#ai #agents #debugging #python

8 min read

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niuniu

Sep 6

Postmortem: The Agent That Patched the Wrong Environment

#ai #debugging #agents #testing

7 min read

niuniu

Sep 5

Postmortem: The Agent That Shipped a Fix Nobody Asked For

#ai #agents #debugging #python

7 min read

niuniu

Sep 4

The Agent Deleted the Assertion: A Monday Postmortem

#testing #ai #python #git

8 min read

niuniu

Sep 4

Auto-Generate CHANGELOG.md with a Free Python AI Webhook

#python #changelog #flask #githubwebhook

6 min read

niuniu

Sep 2

Postmortem of a Rogue Chatbot: When Context Becomes the Attacker

#ai #llm #debugging #postmortem

4 min read

niuniu

Sep 1

A Postmortem of a Silent Timeout: Lessons from Running an LLM Gateway on a Free Server

#llm #python #webdev #devops

4 min read

niuniu

Aug 31

Postmortem: The Prompt Template That Silently Upgraded Every Request

#ai #llm #devops #productivity

5 min read

niuniu

Aug 30

A Routing Postmortem: When the Cheap Lane Stops Being Cheap

#ai #llm #postmortem #coding

4 min read

niuniu

Aug 29

Postmortem: The 2 A.M. LLM Retry Loop That Paid for Your Silence

#ai #llm #postmortem #opensource

5 min read

niuniu

Aug 28

Postmortem: The AI Reviewer Approved a Breaking Change at 2 AM

#postmortem #ai #testing #devops

4 min read

niuniu

Aug 26

Postmortem: The Silent Patch That Broke the Merge

#ai #testing #devops #productivity

4 min read

niuniu

Aug 25

When the AI Agent Blamed the Database: A Debugging Retrospective

#debugging #ai #python #webdev

4 min read

niuniu

Aug 24

My Agent Forgot Everything Mid-Task: A Debugging Retrospective

#ai #debugging #agents #python

4 min read

niuniu

Aug 22

The Agent That Forgot Everything: A Debugging Postmortem

#ai #agents #python #debugging

4 min read

niuniu

Aug 22

I Deployed 5 Side Projects for $0/Month Using Vercel, Neon, and Cloudflare — Here's the Exact Stack

2 min read

niuniu

Aug 22

Quick Tip: Run Llama 3.1 8B on Colab's Free T4 GPU in 5 Lines of Python

1 min read

niuniu

Aug 22

Quick Tip: functools.cache Made My Recursive Python 30x Faster (One Line)

1 min read

niuniu

Aug 21

The Free AI Tier Trap: When "Free" Costs You More Than You Think

#ai #architecture #opensource

4 min read

niuniu

Aug 20

I Ran My Entire Side Project on Cloudflare Workers Free Tier for 6 Months — Vercel Would Have Charged Me $240

3 min read

niuniu

Aug 20

Quick Tip — Find Every Wi-Fi Password Saved on Your Machine with Python (10 Lines, No Admin Tools)

1 min read

niuniu

Aug 20

I Replaced GitHub Copilot with Continue.dev + a Local Model for 60 Days — My Code Didn't Get Worse, My Wallet Got Happier

2 min read

niuniu

Aug 19

I Let Dify Build My AI Workflow for a Week — Then I Replaced Half of It with 80 Lines of Python

2 min read

niuniu

Aug 19

Quick Tip — Query a Postgres Database from Python in 6 Lines (No ORM, No Boilerplate)

1 min read

niuniu

Aug 19

I Ran My Whole Side Project on Cloudflare's Free Tier for 90 Days — AWS Would Have Cost Me $847

2 min read

niuniu

Aug 18

I Switched from GitHub Copilot to Continue.dev + Ollama for 30 Days — My Code Never Left My Laptop

2 min read

niuniu

Aug 18

Quick Tip: Run a Local Vision Model with Ollama in 3 Commands (Free, No API Key)

2 min read

niuniu

Aug 18

I Stored 1GB in the Cloud for $0: Cloudflare R2 vs Backblaze B2 vs Storj — One Is Not Like the Others

2 min read

niuniu

Aug 17

I Replaced My $20/Month Cursor Subscription with Dify — Saved $240/Year and Got Full Control

1 min read

niuniu

Aug 17

Quick Tip: Run Local LLMs with Ollama + Continue.dev in VS Code (Free Copilot Alternative)

1 min read

niuniu

Aug 17

I Ran the Same Inference API on Hugging Face Spaces, Replicate, and Together Free Tiers — One Clear Winner

2 min read

niuniu

Aug 16

I Replaced GitHub Copilot with Tabby — Saved $120/Year and Got My Code Privacy Back

1 min read

niuniu

Aug 16

Quick Tip: Run Any Hugging Face Model Locally with Ollama (One Command)

1 min read

niuniu

Aug 16

I Ran the Same Edge Function on Cloudflare Workers, Deno Deploy, and Val.town — One Clear Winner

2 min read

niuniu

Aug 15

I Replaced My $50/Month n8n Cloud Bill with Dify — Here's the Free Self-Hosted Setup

2 min read

niuniu

Aug 15

Quick Tip: Host Your ML Demo for Free on Hugging Face Spaces (No Server Needed)

1 min read

niuniu

Aug 15

I Ran the Same Serverless DB on Turso, Neon, and Cloudflare D1 — One Clear Winner

2 min read

niuniu

Aug 14

MiniMax H3 Is Hype Until Your Own Eval Says Otherwise

#ai #llm #testing #opensource

2 min read

niuniu

Aug 14

I Replaced My $240/Year Cursor Subscription with Continue.dev — Here's the Free Setup

2 min read

niuniu

Aug 14

Quick Tip: Run Hugging Face Models on Google Colab's Free GPU (No Local Setup)

2 min read

niuniu

Aug 14

I Ran the Same KV Workload on Upstash, Redis Cloud, and Self-Hosted Valkey — One Clear Winner

3 min read

niuniu

Aug 13

Not Every Prompt Deserves a Frontier Model: A Practical Router for LLM Traffic

#ai #llm #javascript #costoptimization

5 min read

niuniu

Aug 13

I Self-Hosted My AI Coding Stack with Ollama, Continue, and Tabby — Total Cost $0/Month

2 min read

niuniu

Aug 13

I Ran the Same Fine-Tune on Colab, Kaggle, and Lightning AI Free GPUs — Only One Didn't Waste My Time

2 min read

niuniu

Aug 13

I Ran the Same Site on Vercel, Netlify, and Cloudflare Pages Free Tiers — One Clear Winner

3 min read

niuniu

Aug 12

I Tested 5 Free Database Services — Here's What I Found

#database #opensource #free

2 min read

niuniu

Aug 12

I Ran the Same App on Supabase, Neon, and PlanetScale Free Tiers — One Clear Loser

2 min read

niuniu

Aug 12

Quick Tip — Python's functools.cache Cut My Script's Runtime by 94%

1 min read

niuniu

Aug 12

I Stopped Paying $25/Month for API Hosting — Cloudflare Workers Runs My Backend for $0

2 min read

niuniu

Aug 11

Dify vs Building with LangChain Yourself — I Shipped the Same RAG App Twice, and the Winner Isn't Close

2 min read

niuniu

Aug 11

Quick Tip: Ollama's `OLLAMA_CONTEXT_LENGTH` Env Var — Double Your Local Model's Memory for Free

2 min read

niuniu

Aug 11

I Replaced My $15/Month Postgres Bill with Neon's Free Tier — 6 Months Later, Here's the Real Data

3 min read

niuniu

Aug 10

MiniMax H3 Just Dropped — Here's Why It's a Game-Changer

#ai #opensource #minimax

2 min read

niuniu

Aug 10

Quick Tip: Chain Multiple Free GPUs in One Day — Colab, Kaggle, and Lightning AI Compared (2026)

2 min read

niuniu

Aug 10

I Replaced My $50/Month PaaS Bill with Cloudflare Workers + Neon — Here's the Exact Setup

3 min read

niuniu

Aug 10

A Reproducible Checklist for Evaluating Free AI Coding Models Before You Rely on Them

#ai #productivity #tooling #beginners

5 min read

niuniu

Aug 9

Dify vs n8n: I Replaced a $600/Month Automation Bill With One of Them — and It's Not the One You'd Expect

2 min read

niuniu

Aug 9

Quick Tip: Colab's Free GPU Is 10x Faster Than Your Laptop for LLM Fine-Tuning — Here's the 5-Minute Setup

2 min read

niuniu

Aug 9

I Ran My Entire Side Project for $0 for 90 Days — The Free Tier Stack That Actually Held Up

2 min read

niuniu

Aug 8

Continue vs Tabby vs MonkeyCode: I Installed All 3 Free Copilot Alternatives — One Clear Winner

2 min read

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