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[freeCodeCamp.org @freeCodeCamp]

AI agents can do more than send one prompt to one model.

In this course, Mumshad teaches you the basics of LLMs, workflows, tools, and agent loops.

You'll build agent personalities, use structured JSON outputs, add guardrails and human approvals, and more.

https://t.co/6b7BvWMzch

[freeCodeCamp.org @freeCodeCamp]

For today's coding challenge, you'll triage some issues. You'll get a number of milliseconds since the last post on an issue, along with the last message posted. your task is to determine what you should do according to various rules. Check it out on the freeCodeCamp mobile app.

[freeCodeCamp.org @freeCodeCamp]

Calculus is a powerful tool for understanding change, motion, and growth - and it's good to know as a dev.

In this College Calculus course, Ed teaches you the key concepts through the lens of Python.

You'll learn about limits, derivative rules, slope interpretation, various theorems, and how to apply symbolic math libraries like SymPy for graphing & computation.

https://t.co/KGvwu3EQwO

[freeCodeCamp.org @freeCodeCamp]

A lot of professional work still gets lost to repetitive tasks like searching docs, writing slides, and so on.

In this article, @manishmshiva shares some AI productivity tools that can help.

You'll learn how Notion AI, Glean, QuillBot, and others (plus some open-source alternatives) fit into modern workflows.

https://t.co/1WWM5e5wDt

[freeCodeCamp.org @freeCodeCamp]

Quantum computing might sound like something people in lab coats do behind closed doors.

But in this beginner-friendly guide, @casweb_dev teaches you how to build a quantum circuit in Python with Qiskit.

You'll learn key concepts like qubits, quantum gates, superposition, entanglement, Bell States, simulators, and more.

https://t.co/cCQhKZQdKF

[freeCodeCamp.org @freeCodeCamp]

The field of Cryptography is all about securing both data and communication between systems.

And in this course, you'll learn the basics like hashing, symmetric and asymmetric encryption, and more.

By the end, you'll have built a fully-functioning Python-based command line cryptography tool.

https://t.co/71ieHQGbSV

[freeCodeCamp.org @freeCodeCamp]

For today's coding challenge, you'll get an array representing some movies in your streaming service's cart, along with a string representing your subscription tier. You'll need to return the total cost of the movies. Check it out on the freeCodeCamp mobile app.

[freeCodeCamp.org @freeCodeCamp]

If you're a developer, it's helpful to understand at least the basics of computer networking.

And this in-depth course will teach you key networking concepts you need to know.

It covers topology and architecture, IPv4 addressing, subnetting, error control, routing, DNS, and lots more.

https://t.co/yOXQJaJWsz

[freeCodeCamp.org @freeCodeCamp]

Learning how to work with AI in the cloud is an important skill for devs these days.

And in this 23 hour course, @andrewbrown teaches you all the fundamentals of Generative AI.

You'll learn about LLMs, AI assistants, prompt engineering, development tools, RAG, and more.

https://t.co/I4kZxGQnSc

[freeCodeCamp.org @freeCodeCamp]

Web scraping often results in broken scripts, hitting rate limits, bot detection, and CAPTCHAs.

In this beginner course, @ania_kubow shows you a simpler API-based approach to collecting web data.

You'll extract structured JSON from various sites, then build an app that searches and downloads content locally.

https://t.co/XL57f6K9SQ

[freeCodeCamp.org @freeCodeCamp]

When you're building an application, different parts need to communicate - both within the app and with the outside world.

This is made possible by APIs - and REST has become a popular way to architect your APIs.

Here, @KraneOliver teaches you key REST API principles by walking you through building an Express movie app.

https://t.co/6lGuAXLkg7

[Saurabh Dubey @SaurabhDub28465]

Top YouTube channels that can genuinely help you build strong tech skills 👇

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Math
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Python
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Free knowledge on YouTube is seriously underrated.

Which skill are you planning to learn next?

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Follow @SaurabhDub28465 for more of these free courses. productivity content.

[freeCodeCamp.org @freeCodeCamp]

AI agents let you connect LLMs to real-world workflows.

In this course, @ania_kubow shows you how to build and deploy an AI-powered Slackbot.

You'll use Node.js, Express, Slack Bolt, GPT-4, PostgreSQL, and Render to research and get new community members.

https://t.co/90tEck3YXU

[freeCodeCamp.org @freeCodeCamp]

Good UI/UX design starts with basic ideas and grows into polished, interactive prototypes.

In this six-hour course, Wish teaches you how to design professional interfaces with Figma.

You'll create wireframes, style guides, components, Auto Layout designs, and high-fidelity prototypes for real-world apps.

https://t.co/zQN2FsDVi7

[freeCodeCamp.org @freeCodeCamp]

If you're preparing for technical interviews, you may be working through a bunch of LeetCode problems.

And this is helpful, but you should really understand the key concepts behind these DSA problems first.

In this visual handbook, Eda goes over the Data Structures & Algorithms concepts you'll need to know - for both LeetCode & job interviews.

https://t.co/s4QKk5gBs3

[freeCodeCamp.org @freeCodeCamp]

Relational databases are used all the time in software development - so as a dev, you should know how they work.

In this course, you'll learn relational database design from the ground up.

It covers SQL filtering and aggregation, primary, candidate, and super keys, ER diagrams, Normal forms, access control, and more.

https://t.co/Dnd5N0K6ad

[freeCodeCamp.org @freeCodeCamp]

The Linux operating system powers the majority of the world's servers.

So it's a great tool to know. And this course will teach you Linux basics.

You'll learn how to manage & troubleshoot a wide range of systems & you'll practice the concepts with labs.

https://t.co/KVBuH59RSc

[freeCodeCamp.org @freeCodeCamp]

Becoming a full-stack developer takes a lot of work - and there are lots of skills to learn.

To make your journey a little easier, here's 48 hours worth of coursework that'll help get you there.

You'll start with basics like HTML & CSS, dive into JavaScript, learn key tools like React and Node.js, and lots more.

https://t.co/znoOfNlSk8

[Shraddha Bharuka @BharukaShraddha]

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[freeCodeCamp.org @freeCodeCamp]

For today's coding challenge, you'll get a 3D array representing availability windows for multiple people. You'll need to return the earliest time where everyone has one hour free. Check it out on the freeCodeCamp mobile app.