Md Samsuzzoha
I build web apps & systems that scale for your business
New to Contra
Md is building their profile!
In the following code, what does this refer to inside setTimeout?
Ever wondered why your JavaScript app slows down… even when your code looks “clean”? 🤔
It might not be your logic. It might be memory.
JavaScript uses Garbage Collection to automatically free memory. Sounds great, right?
But here’s the catch... it’s not magic.
If you keep...
Backend development in 2026 isn’t about writing more code.
It’s about orchestrating intelligence.
Here are 5 AI tools every backend developer should master:
Cursor: Context-aware coding, refactoring, and API generation directly inside your editor.
Claude: Perfect for reviewing...
🚨 MongoDB vs SQL: Key Differences Every Developer Must Know
Most developers ask:
Which database is better?
Wrong question.
The real question is:
👉 Which database fits your project requirements?
Here’s the breakdown:
🔹 SQL Databases
• Structured tables & rows
• Fixed...
Most developers debate: Monolith vs Microservices
But the real question is: “What architecture fits your CURRENT stage?”
A monolith can help startups move incredibly fast.
Microservices can help large systems scale efficiently.
The mistake?
Choosing complexity too early.
This...
