Can you guess the output here?
This one can be super tricky. Can you find the output? Share your solution so others can check!
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Learn to code for free....

AWS Certified Cloud Practitioner Certification Course 2026 (CLF-C02) - Pass the Exam!

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Google almost had a very different name (and functionality)...

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Stop choosing between learning coding fundamentals and learning to use AI. Do both.

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Are you familiar with the Zen of Python? Estefania breaks down the principles here.

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Build something real first, then sell it

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Why big apps choose web over native

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Apple's first logo was...complicated

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Learning "just in time" is a lot easier than it used to be. Swyx talks about why.

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Spatial computing might seem like something from the future, but it's not really...

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Open Models Coding Essentials – Running LLMs Locally and in the Cloud Course

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So what's CodePen 2.0? Why is it better? Chris Coyier tells you all about it.

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Become the best at what you love doing. That'll get employers to notice you.

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JavaScript Event Loop & Asynchronous Programming

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YouTube was almost a very different site...

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Quick tip from Homebrew project leader Mike McQuaid: downtime is important. Simple, right?

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Avoid shortcuts, be honest about where you are, and learn for yourself.

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Getting code to do what you want it to do is only a small fraction of the job

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Stanford's youngest instructor on InfoSec, AI, catching cheaters - Rachel Fernandez [Podcast #217]

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What is Agentic AI and how does it work? Ania explains here.

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If you suddenly lost all your programming knowledge, what should you focus on learning today?

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Inside the world's most elite student hackathon – Full Documentary on Stanford Tree Hacks 2026

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Hot take from the fCC podcast: Use LLMs but don't treat them as a silver bullet.

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We all know AI can be...divisive. Justin lays out a key reason why in his chat with Quincy.

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Test-driven development is helpful, but it misses the mark in certain key areas

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Gemini CLI Essentials – Full Course

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How does an API work? Ania explains it simply here.

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Sliding Window Algorithm for Tech Interviews - Full Course

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If you're a junior developer, Swyx explains how you need to step up

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Tired of switching between C# for the back end and JS for the front end?

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3D Web Development with Blender and Three.js – Create a Cozy Café Portfolio

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In learning, information often isn't the issue. It's knowing what's useful, and what feels wrong.

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Automate Your Life in 4 hours – Agent and Automation Zapier Course

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Software itself has no value. It's the solutions that are valuable, and that will sell.

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How to friction-max your learning with software engineer Jessica Rose [Podcast #216]

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System Design Course – APIs, Databases, Caching, CDNs, Load Balancing & Production Infra

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OpenAI Codex Essentials – AI Coding Agent

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"Oh, so this is what people mean by 'focus'!"

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RAG & MCP Fundamentals – A Hands-On Crash Course

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The challenges of turning a powerful braille learning prototype into real hardware

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Lean Dynamic Programming with Animations – Full Course for Beginners

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Can you guess the output here?

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When you're learning or doing something new, get comfortable being uncomfortable

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Need some coding experience? Contribute to Open Source.

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Building Agentic AI Workloads – Crash Course

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Music Production 101 – Master Sound Design, Mixing, and Mastering in FL Studio

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Here's a little array method mystery for you...

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The RACECAR challenge - Ready: GO!

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All you need to start learning to code with freeCodeCamp is the will to do so.

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Which elf gets the candy cane?

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Build a Support Agent with Vercel AI SDK – Full Tutorial

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This looks simple, but can you predict the output?

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