Level Up Coding

“Level Up Coding” delves into the intricacies of Python programming, data augmentation for machine learning, and the challenges of enterprise RAG implementations. It explores the importance of understanding the speed of Python, the significance of short-term memory in AI applications, and the utilization of tools like Langchain for conversation history retention. Additionally, it discusses the pitfalls of treating data as static in the realm of generative AI and emphasizes the need for systems to not just read documents but truly understand and interact with dynamic big data.

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Under the Hood: How LLMs Spend Their Time *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Made with Gemini LLMs are usually treated as big black boxes, and I don’t really like black boxes. I think one of the nicest ways to approach black boxes in the software world is performance analysis....

Your Vibe-Coded App Almost Certainly Has Security Holes. Here’s How To Catch Them. *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

AI coding tools will happily build you an app riddled with security vulnerabilities. Use this checklist to catch them before they reach production. Source: Image by HJ Project on Unsplash Last year, I...

Alibaba’s Qwen Just Killed Llama. Then Alibaba Killed Qwen’s Team. *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Forty-one percent. That’s the share of all downloads on Hugging Face (the largest open-source AI platform on the planet) that went to Chinese models between February 2025 and February 2026. The U.S. m...

Everything Worked — Until We Scaled: The Hidden Coordination Problem in Stateless Systems *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Distributed Systems What happens to client updates when your backend scales horizontally This started as one of those production bugs that sends you looking in the wrong places first. A user would tr...

How To Write AI-Proof Go Code: A Survival Guide for the Age of Copilot *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

I Asked Claude Code to Refactor a 500-line Function. It Gave Up. I asked Claude Code to refactor a 500-line function last Tuesday. It stared at the code for 30 seconds, then replied, “I need more cont...

I’m Running a State-of-the-Art AI Agent for $10 a Month. Here’s Exactly How. *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Security-first. Local Docker setup. Unlimited LLM usage. And the one tool that made it 10x more useful. Most people assume running a serious AI agent costs a fortune. They’re wrong. I’ve been running ...

From Temporary Scaffolding to Core Asset — How SDD Makes Specs the Center Stage in the AI Era *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Once development starts, code becomes the single source of truth. Spec documents, however, gradually become disconnected from…

Python Lets Me Make Better PowerPoint Presentations *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

H ave you ever been in a situation where you need to make a long report in the form of PowerPoint slides? Such reports are usually based on a large amount of data and involve the repetitive work of us...

Software Engineering 3.0: The Age of the Intent-Driven Developer *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

How the way we build software is being quietly rewritten and why “antigravity” might be the best metaphor we have for it Cover image: Software engineering 3.0 There’s a scene I keep thinking about. I...

I Watched a Plumber Work and Realized We Debug All Wrong *[April 8, 2026]: 2026-04-08T22:02:28+1000

Level Up Coding

Member-only story I Watched a Plumber Work and Realized We Debug All Wrong We have the same tools. We just don’t reach for them. Simon Wang 4 min read · Just now -- Share A few months back, a leak det...

I built Nitro: 75x More Efficient, 11x Cheaper vs Claude Code.

Level Up Coding

Claude Code uses 30% of your limits for a simple prompt. So I built Nitro: An ultra-lightweight Bash agent that’s 11x cheaper than Claude Code. Let me tell you about the time Claude Code used 190,300...

Anthropic Accidentally Shipped Their Entire Source Code in an npm Package.

Level Up Coding

On March 31, 2026, Anthropic: the company behind Claude, one of the most powerful AI systems on the planet shipped version 2.1.88 of their @anthropic-ai/claude-code npm package with a small addition n...