Writing on distributed systems, CS theory, math, and other things.https://arnabsen.dev/https://arnabsen.dev/blog/ep-05-opus-4-8-dynamic-workflows/https://arnabsen.dev/blog/ep-05-opus-4-8-dynamic-workflows/Breaking down Opus 4.8, Dynamic Workflows, and Constitutional AI.Sun, 31 May 2026 00:00:00 GMThttps://arnabsen.dev/blog/ep-04-one-step-to-agi/https://arnabsen.dev/blog/ep-04-one-step-to-agi/One step to AGISun, 24 May 2026 00:00:00 GMThttps://arnabsen.dev/blog/ep-03-is-your-llm-lying/https://arnabsen.dev/blog/ep-03-is-your-llm-lying/How to tell if your LLM is lying to you.Sun, 10 May 2026 00:00:00 GMThttps://arnabsen.dev/blog/ep-02-continual-learning/https://arnabsen.dev/blog/ep-02-continual-learning/Quest for Continual Learning and one elephantSun, 03 May 2026 00:00:00 GMThttps://arnabsen.dev/blog/ep-01-gpt-deepseek-ai-layoff-trap/https://arnabsen.dev/blog/ep-01-gpt-deepseek-ai-layoff-trap/GPT, DeepSeek and AI Layoff TrapSat, 25 Apr 2026 00:00:00 GMThttps://arnabsen.dev/blog/pagerank/https://arnabsen.dev/blog/pagerank/How the PageRank algorithm, developed by Larry Page and Sergey Brin, transformed Google from BackRub into a search giant.Sat, 29 Jun 2024 00:00:00 GMThttps://arnabsen.dev/blog/graph-databases-101/https://arnabsen.dev/blog/graph-databases-101/A beginner's guide to understanding graph databases and their advantages in modeling and querying interconnected data.Sun, 02 Jun 2024 00:00:00 GMThttps://arnabsen.dev/blog/lz-compression-algorithm/https://arnabsen.dev/blog/lz-compression-algorithm/A hands-on walkthrough of the LZW compression algorithm, tracing how it builds a dictionary on the fly to compress and decompress data like "banana".Sun, 14 Apr 2024 00:00:00 GMThttps://arnabsen.dev/blog/compression-conundrum/https://arnabsen.dev/blog/compression-conundrum/A dive into what actually makes a compression algorithm work, why every algorithm is a zero-sum trade-off, and why Morse code counts as one.Sun, 24 Mar 2024 00:00:00 GMThttps://arnabsen.dev/blog/exploring-oisc/https://arnabsen.dev/blog/exploring-oisc/A look at OISC, a Turing-complete instruction set built on a single instruction, subleq, and why reducing computation to one operation is so fascinating.Mon, 13 Nov 2023 00:00:00 GMThttps://arnabsen.dev/blog/raft-algorithm/https://arnabsen.dev/blog/raft-algorithm/A beginner-friendly walkthrough of the Raft consensus algorithm, covering leader election, replicated logs, and how it keeps distributed systems in agreement.Sun, 22 Oct 2023 00:00:00 GMThttps://arnabsen.dev/blog/understanding-mapreduce/https://arnabsen.dev/blog/understanding-mapreduce/A beginner-friendly walkthrough of the MapReduce programming paradigm, how it splits, maps, and reduces massive datasets across clusters.Sat, 30 Sep 2023 00:00:00 GMThttps://arnabsen.dev/blog/my-university-experience/https://arnabsen.dev/blog/my-university-experience/A look back at four years of college, from tinkering with Linux and competitive coding to CTFs, open source, a Google internship, and startups.Mon, 21 Aug 2023 00:00:00 GMThttps://arnabsen.dev/blog/xros-fellowship/https://arnabsen.dev/blog/xros-fellowship/A look back at what Extended Reality means, what the XROS Fellowship is, and how it led to a 3-month AI-driven metaverse project at GMetri.Sun, 20 Aug 2023 00:00:00 GMThttps://arnabsen.dev/blog/introduction-to-docker-and-containers/https://arnabsen.dev/blog/introduction-to-docker-and-containers/A practical primer on containers, namespaces, and Docker fundamentals, from running your first container to writing a Dockerfile and using Docker Compose.Sat, 27 May 2023 00:00:00 GMThttps://arnabsen.dev/blog/my-tech-journey/https://arnabsen.dev/blog/my-tech-journey/A personal look back at how a love for LOGO turtles and QBASIC grew into a career at Google, open source, and beyond.Sun, 23 Apr 2023 00:00:00 GMThttps://arnabsen.dev/blog/landing-a-google-swe-internship/https://arnabsen.dev/blog/landing-a-google-swe-internship/A full breakdown of how I cracked Google's off-campus SWE internship process, from resume building and referrals to DSA prep and interview strategy.Tue, 04 Apr 2023 00:00:00 GMThttps://arnabsen.dev/blog/tips-for-bagging-a-ppo/https://arnabsen.dev/blog/tips-for-bagging-a-ppo/Technical and non-technical lessons from converting a Google internship into a full-time SWE offer.Sun, 29 Jan 2023 00:00:00 GMThttps://arnabsen.dev/blog/step-by-step-learning-redis/https://arnabsen.dev/blog/step-by-step-learning-redis/A beginner-friendly walkthrough of what Redis is, how it works, and how to use its core commands and data structures.Sat, 28 Jan 2023 00:00:00 GMThttps://arnabsen.dev/blog/exploring-gdb/https://arnabsen.dev/blog/exploring-gdb/A hands-on introduction to debugging C/C++ programs with GDB, covering breakpoints, symbol tables, variables, and the call stack.Mon, 31 Jan 2022 00:00:00 GMThttps://arnabsen.dev/blog/introduction-to-bitcoin-script/https://arnabsen.dev/blog/introduction-to-bitcoin-script/A beginner-friendly walkthrough of Bitcoin's stack-based scripting language, explaining locking and unlocking scripts and how transactions actually get validated.Mon, 17 Jan 2022 00:00:00 GMThttps://arnabsen.dev/blog/merkle-trees-and-its-role-in-the-decentralized-web/https://arnabsen.dev/blog/merkle-trees-and-its-role-in-the-decentralized-web/How content addressing and Merkle trees let peer-to-peer networks like Bitcoin and Git verify data without trusting anyone.Mon, 17 Jan 2022 00:00:00 GMThttps://arnabsen.dev/blog/summer-of-bitcoin-21/https://arnabsen.dev/blog/summer-of-bitcoin-21/How a LinkedIn post led to five selection rounds, a mentor, and weeks of hands-on Bitcoin Core contributions.Tue, 11 Jan 2022 00:00:00 GMT