AAU Software Engineering community

How does Database Replication actually work? Database replication is basically keeping copies of the same database on multiple servers. Instead of relying on one database for everything, changes can be replicated to other databases, allowing the system to handle more reads and continue working if o…

Sharing this because I found it genuinely useful. I was using some of those “free” platforms like Render for my projects, but the limitations started becoming frustrating especially when a free database could be deleted after a month. I actually ended up losing data from some of my apps because of …

What happens when one microservice starts failing? Imagine your API depends on a Payment Service. Everything works normally, until the Payment Service becomes slow or starts returning errors. Your API keeps sending requests anyway. Each request waits for the Payment Service to respond, so connectio…

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🏗 Why System Design Matters + Best Free Resources Many students focus only on DSA and coding… but System Design is what separates average developers from strong engineers. Why is System Design important? - It teaches you how real systems work at scale (not just writing code that runs on your lap…

❓ What happens before a request reaches your server? When a user sends a request, it doesn’t always have to go straight to your application server. A reverse proxy can sit in between and handle things like SSL termination, caching, request filtering, and routing traffic to the right backend server.…

System Design: What It Is and Tips to Get Started System design is the process of deciding how a software system should be structured and how its different components work together. It focuses on building systems that are scalable, reliable, efficient, and maintainable. For example, if you were as…

Most people calling themselves “developers” today are just vibe coders. And NO ! vibe coding isn’t a good thing. If you’re a vibe coder, here are the absolute basics you should know: -APIs are just servers talking to other servers - .env files store your secrets never commit them - localhost means …

If you're in tech, interviews are something you just can’t skip 😅 So we’ve prepared a few important tips for this community. Here are the main 3 things most people miss. 👇👇👇 1. It’s okay to say “I don’t know.” You don’t have to know everything. But if you don’t know something, show how you think. Y…

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Will AI ever be conscious? A) yeah, one day AI will develop real self awareness like knowing it exists, that it's AI and truly having human like experience B) It will never be conscious . It will just get better at parroting ( pretending) to be conscious. It'll mimic human consciousness but it's …

Why you should NOT use windows as a software engineer 1) it's intelligence gathering malware 2) it's for normies and no self respecting programmer uses it 3) it's bloated and takes up most of your storage ( you might try to debloate it but you can't fully turn it off) 4) Microsoft says the old v…

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Want to showcase your project? Built something cool recently? A website, mobile app, AI project, open-source tool, or anything you're proud of? We’re going to start featuring projects built by members of this community. If you’d like to showcase yours, Reach out to us at @om3ga_m Let’s give some…

Why can’t we just send every request to the same server? 🤔 When an application gets lots of traffic, one server can become overloaded. A load balancer sits in front of multiple servers and distributes incoming traffic between them. But how does it decide where traffic goes? 🔹 Round Robin: distribu…

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