Skilled Coder @theskilledcoder
Senior Developer newsletter.theskilledcoder.com Coding Newsletter Joined November 2022-
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Design Notification Service newsletter.theskilledcoder.com/p/how-would-yo…
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Indexes are cheat codes 👇 Why read every page when you have a table of contents? It Powers: - Databases → B+ Trees (jump to rows fast) - Search engines → Inverted Index (word → docs) - Filesystems → Inode maps (filename → blocks) - Caching systems → Hash Index (key →…
Algorithms and techniques every developer should know
One Liner Explanation to All Software Engineering Principles
Factory Pattern Explained Simply
Heaps aren’t just for interviews 👇 They power: - Priority queues → schedulers, task managers - Dijkstra’s algo → shortest paths in graphs - Median in streams → two heaps trick - Event simulation → process next event first - Operating systems → CPU job scheduling -…
System Design: Booking. com
JWT (JSON Web Token) - All You Need to
How would you design a system to send 100,000 notifications?
Must-read books for developers
Btw, this question was asked to me in one interview - with these exact follow-ups. Thought of sharing with you all
Btw, this question was asked to me in one interview - with these exact follow-ups. Thought of sharing with you all
Binary Search is magic 1,000 items → ~10 steps 1,000,000 items → ~20 steps No wonder its used in: - Databases → scan indexes fast - Search engines → look up terms - OS kernels → schedulers & symbol tables - Libraries → Python’s bisect, Java’s Arrays…
How HTTP/2 Differs from HTTP/3
System Design: WhatsApp / Real-Time Chat Application
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