O(n)
Algorithms
Big-O Notation: Measuring Algorithm Efficiency
Time and space complexity explained with clear examples and real Python code.
May 28, 2025·8 min
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TCP
Networking
TCP/IP Deep Dive: How the Internet Actually Works
The four-layer model, three-way handshake, and the TCP vs UDP trade-off.
May 20, 2025·11 min
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GIT
DevOps
Git Internals: What Happens When You Commit
Blobs, trees, commits, and refs — the full object model explained.
May 14, 2025·9 min
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NN
AI / ML
Neural Networks Explained for Programmers
Neurons, backpropagation, and why depth matters — without the hype.
May 8, 2025·14 min
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DB
Databases
Database Indexing: B-Trees, Hash Indexes & More
Understand exactly what an index is and when to use (or avoid) one.
Apr 29, 2025·10 min
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OS
OS
OS Scheduling: From Round-Robin to CFS
How the Linux kernel decides which process runs next, and why it matters.
Apr 22, 2025·12 min
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