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Hasan Toor Profile picture
@hasantoxr
Mar 27, 2023 • 13 tweets • 7 min read • Read on X
Scrolly
Harvard University offers a ton of FREE online courses.

From Computer Science to Artificial Intelligence.

Here are 10 FREE courses you don't want to miss:
1. Introduction to Computer Science

An introduction to the intellectual enterprises of computer science and the art of programming.

Check here 👇

pll.harvard.edu/course/cs50-in…
2. Web Programming with Python and JavaScript

This course takes you deeply into the design and implementation of web apps with Python, JavaScript, and SQL using frameworks like Django, React, and Bootstrap.

Check here 👇

pll.harvard.edu/course/cs50s-w…
3. Introduction to Programming with Scratch

A gentle introduction to programming that prepares you for subsequent courses in coding.

Check here 👇

pll.harvard.edu/course/cs50s-i…
4. Introduction to Programming with Python

An introduction to programming using Python, a popular language for general-purpose programming, data science, web programming, and more.

Check here 👇

edx.org/course/cs50s-i…
5. Understanding Technology

This is CS50’s introduction to technology for students who don’t (yet!) consider themselves computer persons.

Check here 👇

pll.harvard.edu/course/cs50s-u…
6. Introduction to Artificial Intelligence with Python

Learn to use machine learning in Python in this introductory course on artificial intelligence.

Check here 👇

pll.harvard.edu/course/cs50s-i…
7. Introduction to Game Development

Learn about the development of 2D and 3D interactive games in this hands-on course, as you explore the design of games such as Super Mario Bros., Pokémon, Angry Birds, and more.

Check here 👇

pll.harvard.edu/course/cs50s-i…
8. CS50's Computer Science for Business Professionals

This is CS50’s introduction to computer science for business professionals.

Check here 👇

pll.harvard.edu/course/cs50s-c…
9. Mobile App Development with React Native

Learn about mobile app development with React Native, a popular framework maintained by Facebook that enables cross-platform native apps using JavaScript without Java or Swift.

Check here 👇

pll.harvard.edu/course/cs50s-m…
10. Introduction to Data Science with Python

Join Harvard University instructor Pavlos Protopapas in this online course to learn how to use Python to harness and analyze data.

Check here 👇

pll.harvard.edu/course/introdu…
Bonus:

If you are interested in learning about ChatGPT & GPT-4

Then I built this Ultimate GPT-4 Guide:

• 50+ Chapters
• 700+ No Code & AI Tools
• 1000+ GPT-4 Prompts

Here is the free link for everyone:

hasantoxr.gumroad.com/l/gpt4
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More from @hasantoxr

Hasan Toor Profile picture
Feb 12
China is destroying every expensive AI model on OpenClaw.

Kimi K2.5 just dropped with Claude Opus 4.6 performance,
but 8x CHEAPER.

It's now #1 most used model for OpenClaw
& THE MOST USED MODEL OVERALL on OpenRouters.

Here's everything you need to know: 🧵 Image
Look at the OpenRouters leaderboard right now:

1. Kimi K2.5 — 240B tokens
2. Trinity Large Preview — 141B tokens
3. Gemini 3 Flash Preview — 138B tokens
4. Claude Sonnet 4.5 — 54B tokens
5. Claude Opus 4.5 — 42.2B tokens

Kimi K2.5 isn't just winning. It's running away with it. Image
It ranks #1 in Design Arena.

Beats Gemini 3 Pro, ChatGPT 5, and Claude Opus 4.5 on multiple benchmarks.

This is a Chinese open model doing what $200/month subscriptions do at a fraction of the cost.

Read 9 tweets
Hasan Toor Profile picture
Feb 10
🚨BREAKING: Someone just built an AI mechanic for broken vibe-coded apps.

It's called FixMyApp AI and it fixes your broken AI-built MVPs without prompting, agencies, or rewriting anything.

Just connect your repo → describe the bug → get a PR in 48 hours.

Here's how:↓
Here's the problem nobody talks about:

Cursor, Bolt, Replit, Lovable they're incredible at building MVPs.

But the moment you push to production?

Auth breaks. APIs timeout. Edge cases everywhere.

You're stuck prompting in circles trying to fix code you didn't write.
Why this hits different:

Most founders vibe-coding their MVP aren't engineers.

They can BUILD with AI but can't DEBUG with AI.

FixMyApp isn't another AI wrapper.

It's actual human engineers who understand AI-generated codebases because that's ALL they work on.
Read 6 tweets
Hasan Toor Profile picture
Feb 6
Everyones using ChatGPT for content writing. Meanwhile Claude is quietly outperforming it on every platform.

I switched 3 months ago and my engagement jumped 340% across all socials.

The secret isnt Claude itself. Its the 10 prompts that make it write like an actual human, not a corporate robot.

Here they are: 🧵Image
1. The Coffee Shop Test

Prompt:

"Write this like you're explaining it to a friend over coffee. No marketing speak. No corporate jargon. Just straight talk about [topic]. If it sounds like a LinkedIn post, rewrite it."

Claude actually gets this. ChatGPT still sounds like it's pitching a SaaS product.
2. Voice Finder

Prompt:

"Give me 5 different ways to say this same idea. Make each one sound like a different person wrote it - one cynical, one excited, one skeptical, one matter-of-fact, one surprised."

This is how I find MY voice. Pick the version that feels most natural, then Claude refines it.
Read 13 tweets
Hasan Toor Profile picture
Feb 6
Holy shit... Someone just built an AI CFO that catches financial problems BEFORE they destroy your startup.

It's called Nume and it monitors your finances 24/7 without dashboards or prompting.

No finance degree. No spreadsheets. No "wait, where did the money go?"

Here's how it works: ↓
Most finance tools show you dashboards you'll never check.

@NumeAI does the opposite: it watches your money 24/7 and TELLS YOU when something's wrong.

Like a real CFO sending you a Slack message: "Your burn rate just spiked 34%."

No login. No navigation. Just alerts that matter.

Try it: nume.ai
I connected QuickBooks and my bank account in 6 minutes.

Within 10 minutes, Nume found 3 cash flow problems I didn't know existed.

No tutorial. No onboarding call. No "wait, which dashboard do I check?"

It just started telling me what was wrong and why it mattered.
Read 9 tweets
Hasan Toor Profile picture
Feb 4
This site is literally a prompt library with 1000+ engineered prompts.

100% free. Image
Check it out: promptly.fyi/libraryImage
BONUS:

I also post content on Instagram.

So, if you want to get insights with my videos, then do follow me here:

instagram.com/hasantoxrImage
Read 4 tweets
Hasan Toor Profile picture
Feb 1
After 2 years of using AI for research, I can say these tools have revolutionized my workflow.

So here are 15 prompts across Claude, Gemini, ChatGPT, and Perplexity that transformed my research (and could do the same for you): Image
1/ LITERATURE REVIEW → Claude Sonnet 4.5

"Analyze these 30 papers on [TOPIC]. Find contradictions, research gaps, and emerging debates. Prioritize findings that challenge consensus."

Why Claude: 200K context window = reads entire papers, not just abstracts. Image
2/ RESEARCH QUESTION REFINEMENT → ChatGPT 4o

"My broad interest: [TOPIC]. Generate 10 falsifiable research questions. For each: explain methodology, expected contribution, and why current literature can't answer it."

Why 4o: Extended reasoning catches scope creep and logical gaps.Image
Read 18 tweets

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