https://labs.nohup.devBitfield Lab is an evolving research blog that starts with coding practice and grows toward Data Mesh, real-time analytics, system design, quantum computing, and much more.https://labs.nohup.dev/notes/ds-algo/https://labs.nohup.dev/notes/ds-algo/Data structures and algorithms practice, with Java solutions, reusable patterns, and notes from solved problems.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/ds-algo/3sum/https://labs.nohup.dev/notes/ds-algo/3sum/Given an integer array nums, return all unique triplets [nums[i], nums[j], nums[k]] such that:Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/ds-algo/patterns/https://labs.nohup.dev/notes/ds-algo/patterns/A compact index of problem-solving patterns: two pointers, sliding window, hashing, graph traversal, and dynamic programming.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/ds-algo/problems/https://labs.nohup.dev/notes/ds-algo/problems/An index of solved coding problems, patterns used, language choices, and lessons to revisit.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/data-engineering/https://labs.nohup.dev/notes/data-engineering/Data engineering notes covering Spark, MapReduce, Data Mesh, Real-time Analytics, streaming, batch pipelines, and reliability.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/data-engineering/data-mesh/https://labs.nohup.dev/notes/data-engineering/data-mesh/Data Mesh is a way to think about analytical data ownership. Instead of one central team trying to understand every dataset, domain teams own data products that other teams can...Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/data-engineering/real-time-analytics/https://labs.nohup.dev/notes/data-engineering/real-time-analytics/Real-time Analytics is about turning fresh events into decisions while they still matter. It connects streaming data, fast processing, OLAP serving, dashboards, alerts, and...Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/data-infra/https://labs.nohup.dev/notes/data-infra/Data infrastructure notes on OLAP systems, Druid, ClickHouse, storage engines, ingestion, and query execution.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/java/https://labs.nohup.dev/notes/java/Use Java as the default language for DS and algorithm implementations.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/scala/https://labs.nohup.dev/notes/scala/Use Scala especially when practicing Spark, data transformations, or functional modeling.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/system-design/https://labs.nohup.dev/notes/system-design/A senior system design framework with requirements, scale, APIs, data models, architecture, reliability, observability, and trade-offs.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/web-infra/https://labs.nohup.dev/notes/web-infra/Web infrastructure notes for DNS, hosting, email routing, analytics, discovery, and deployment workflows.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/notes/web-infra/google-workspace-subdomain-email/https://labs.nohup.dev/notes/web-infra/google-workspace-subdomain-email/A step-by-step lab report for routing Google Workspace email to a Squarespace-managed subdomain while hosting the site on Netlify.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/about/https://labs.nohup.dev/about/Bitfield Lab is a learning and research notebook for technical problem solving.Sat, 02 May 2026 07:54:45 GMThttps://labs.nohup.dev/now/https://labs.nohup.dev/now/Current research focus across coding practice, Data Mesh, Real-time Analytics, OLAP, Spark, and senior system design.Sat, 02 May 2026 07:54:45 GMT