The YCBT library

Articles

Practical explanations, comparisons, build notes, and evidence for people who want to build.

AI Development ·

What Is Debugging, and What Does It Mean in the Modern Era?

Debugging means finding why software behaves incorrectly and fixing it. Learn how coding agents change debugging and what AI-assisted builders need to do.

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Build Notes ·

How We Built Our MP3 Player With AI

See how YCBT planned and built a 22,000-line React Native MP3 player with ChatGPT and Codex, including its architecture, tech stack, and lessons.

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Launch & Grow ·

How Much Money Can You Make With Google AdMob?

Estimate how much Google AdMob could pay for 100, 1,000, or 10,000 app users, and see why ad format, location, and usage change earnings.

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Studies & Statistics ·

Which Programming Languages Are Growing Fastest in the AI Era?

TypeScript, Rust, Python, and Go are growing quickly in the AI era. See what recent GitHub, SlashData, JetBrains, and Go research found.

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Studies & Statistics ·

Small Developers Already Dominated the App Store. Now They Have AI

More than 90% of App Store developers were small developers before agentic coding. GitHub research found Copilot users finished one coding task 55% faster.

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Comparisons ·

App Builder or Coding Agent? The Real Difference

App builders offer the quickest route to a working app. Coding agents offer more freedom over what it can become. Compare ownership, design, features, setup, and cost.

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AI Development ·

How to Turn an App Idea Into a Buildable First Version

Turn an app or game idea into a focused first version by choosing one person, one useful outcome or fun mechanic, and one clear way to know it works.

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Technical Concepts ·

What Is GitHub and Why Does It Matter for AI-Built Apps?

GitHub stores a project's code and change history. Learn why that matters when an AI builder or coding agent is helping you create an app.

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Comparisons ·

AI App Builder vs Coding Agent: Which Should You Use?

AI app builders give you an easier place to create an app, while coding agents give you more control over how it is built. Learn which approach fits you.

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AI Coding ·

What Is AI Coding?

AI coding uses artificial intelligence to help people understand, create, and change software. Learn how it works and what the human builder still controls.

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About ·

Why YCBT Is Free—and What We Believe About Learning to Code

Why YouCanBuildTech rejects paywalls, bootcamp scarcity marketing, and confusion as a business model—and what free tech education should do instead.

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Build Notes ·

Building a Tetromino-Style Mobile Game With AI

A first-hand two-week build note about making a tetromino-style mobile game in Godot with AI-assisted coding, generated assets, debugging, and AdMob integration.

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