Sharing My Journey in Web Development | Interesting Tools and Methods | And more...
A foundational roadmap for long-term engineering mastery: computer systems, data structures, networking, system architecture, observability, and problem solving.
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A thoughtful essay on software engineering as a craft: building vs consuming, overcoming plateaus, compounding knowledge over decades, and avoiding burnout.
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Complete end-to-end journey of a web request: browser cache, OS resolver, DNS hierarchy, ARP, TCP 3-way handshake, TLS 1.3, HTTP/2 multiplexing, DOM/CSSOM pipeline.
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Architecting secure stateless authentication: token structure, HTTP-only cookie storage against XSS/CSRF, automated rotation family tracking, and Redis blacklisting.
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What really happens during a TLS 1.3 handshake: ECDHE key exchange, symmetric session keys, Certificate Authorities, Forward Secrecy, and HSTS.
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Architecting bulletproof password recovery: secure token hashing, timing attack mitigation with timingSafeEqual, OTP brute-force limits, and single-use invalidation.
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Demystifying Cross-Origin Resource Sharing: Same-Origin Policy, simple vs preflighted requests, credentials mode, and secure server headers.
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Demystifying ACID transactions: Read Uncommitted, Read Committed, Repeatable Read, Serializable, and Multi-Version Concurrency Control (MVCC).
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Analyzing O(N) table scan degradation with OFFSET/LIMIT vs O(1) indexed lookups with Keyset/Cursor-based pagination in infinite feeds.
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Solving double-booking and stock race conditions: Optimistic Locking with version columns, Pessimistic Locking (SELECT FOR UPDATE), and Redis Redlock.
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