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• The Charm of Small Languages — Janet, Lua, and the World of Embeddable Scripting

  The essay Why Janet is back on the HN front page, and interest in small embeddable languages is reviving. From the success story of Lua to the design philosophy of Janet, hands-on C embedding examples, an introduction to

  2026-06-12 · 16 min read #janet#lua#embedded-scripting#dsl#programming-languages

• Local-First Software Design — An Alternative Architecture for the Age of Cloud Fatigue ♪ Listenable

  As cloud fatigue grows in 2026, local-first architecture is back in the spotlight. From the seven ideals of Ink and Switch to sync engine design, using CRDTs from a design perspective, an ecosystem comparison of Electric

  2026-06-12 · 19 min read #local-first#architecture#crdt#sync-engine#offline-first

• Can an Imitation Machine Discover — The Sutton Provocation and the RL Counterattack ♪ Listenable

  Rich Sutton, the godfather of reinforcement learning, set the community ablaze in June 2026 by arguing that generative AI trained with supervised learning is an imitation model and therefore limited for genuinely new sci

  2026-06-12 · 22 min read #ai#reinforcement-learning#llm#research#ai-agent

• Whose Words Does the AI Speak — The German Ruling That Made Google Liable for AI Overviews ♪ Listenable

  In June 2026 a German court classified Google AI Overviews not as a listing of search results but as speech by Google itself, holding the company directly liable for false answers. We dissect the reasoning, the clash wit

  2026-06-12 · 22 min read #ai#law#liability#rag#governance

• Context Engineering — How to Design Memory for AI Agents

  The era of prompt engineering is fading, and context engineering has emerged as the core skill. This post covers the economics of the context window, memory tier design, patterns for automatically extracting facts from c

  2026-06-12 · 17 min read #ai#context-engineering#llm#ai-agent#memory

• How to Review AI-Written Code — Redesigning Code Review ♪ Listenable

  The surge of AI-generated code has made code review the biggest bottleneck in the development pipeline. This post covers how defect patterns differ between human and AI code, redesigning review strategy around spec compa

  2026-06-12 · 18 min read #ai#code-review#ai-agent#engineering-culture#open-source

• Loop Engineering — Design the System That Prompts Your Agent

  The era of manually prompting an agent every turn is ending. This post covers plan-act-verify-self-correct loop design, verification loops that wire tests and linters into agent feedback, how to design repo-level guide f

  2026-06-12 · 16 min read #ai#loop-engineering#ai-agent#claude-code#devops

• Building MCP Servers in Practice — How to Connect Your Tools to Every AI Agent

  A hands-on guide to building MCP (Model Context Protocol) servers, the de facto standard of 2026. We implement an internal wiki search server in TypeScript and Python, and cover tool design principles, OAuth 2.1 authenti

  2026-06-12 · 17 min read #mcp#ai-agent#typescript#python#oauth2

• Is AI Really Slowing Down — Reading the 2026 AI Bubble Debate Through Datacenter Economics

  A breakdown of the AI is slowing down debate that dominated the first half of 2026, viewed through datacenter economics. We cover the claim that 2 trillion dollars of annual revenue is needed by 2030, the arithmetic of 1

  2026-06-12 · 20 min read #ai#economics#datacenter#gpu#infrastructure

• Falsehoods Programmers Believe About Time

  A day has 24 hours, a minute has 60 seconds, the clock only moves forward, a time zone is a fixed offset. Every one of these propositions that programmers take for granted about time is false. We walk the famous "falseho

  2026-06-12 · 9 min read #datetime#timezone#fundamentals

• Where Developer Tokens Leak — The VSCode 1-Click Token Theft and Secret Hygiene

  Dissecting the June 2026 case of one-click GitHub token theft through a VSCode bug, this post traces the paths along which tokens leak in developer environments. It covers PAT permission design, token rotation, secret sc

  2026-06-12 · 15 min read #security#github#tokens#devops#secrets

• eBPF Is Eating Observability

  The idea of safely running sandboxed programs inside the kernel is upending observability. Hook anywhere with kprobes, uprobes, tracepoints, and XDP; the verifier guarantees safety; trace without touching a line of appli

  2026-06-11 · 13 min read #ebpf#observability#linux#kernel

• Content-Addressable Storage Is Everywhere

  One idea — address data by the hash of its content, not its location — runs identically through Git objects, Docker layers, IPFS, the Nix store, and BitTorrent. A practical look at how it hands you deduplication, integri

  2026-06-10 · 12 min read #systems#storage#hashing

• WebAssembly Beyond the Browser

  WebAssembly was born in the browser, but its real ambition is outside it. WASI, a POSIX-ish system interface; edge and serverless (Fastly, Cloudflare Workers); plugin systems in Envoy, Figma, and databases; and the compo

  2026-06-09 · 12 min read #webassembly#wasm#systems

• Why Is My Build So Slow? — Compilation, Linking, Caching, and Monorepos

  There is always a reason a build is slow. The difference between compilation and linking, incremental builds and caches (ccache, sccache, Turbo, Nx, Bazel), the monorepo rebuild problem, cold versus warm, the limits of p

  2026-06-08 · 14 min read #build-systems#productivity#tooling

• Securities Research Analyst — The Writing Job: Sell-side, Buy-side, Modeling, and Report Craft (2026 Complete Guide) ♪ Listenable

  A practitioner-tone 2026 guide to the equity research analyst role: a real day in the life, sell-side vs buy-side, modeling tools, II Rankings, Korean/Japanese/global houses, 20 interview questions, and a 90-day study ro

  2026-05-27 · 27 min read #finance-career#research-analyst#sell-side#buy-side#equity-research

• Institutional Sales (IS) and Prime Brokerage (PB) — The Client-Facing Job: Hedge Funds, Asset Managers, and Pensions in One Career Guide (2026 Complete Guide) ♪ Listenable

  Institutional Sales (IS) and Prime Brokerage (PB) are the client-facing roles where you sit across the table from asset managers, hedge funds, and pensions. This guide walks through the global Big 3 (GS, MS, JPM), a real

  2026-05-27 · 25 min read #finance-career#institutional-sales#prime-brokerage#is-ib#securities-career

• Securities MTS/HTS Developer: Exchange Protocols to Microsecond Latency ♪ Listenable

  A practitioner-tone career deep-dive for securities MTS/HTS developers, covering exchange protocols (FIX/ITCH/Arrowhead), Smart Order Router design, latency budgets, security, and the KR/JP/global IT landscape.

  2026-05-27 · 15 min read #finance-career#securities-it#mts-hts-developer#trading-system#fintech

• Securities Risk Management and Compliance: The Job of Controlling Speed ♪ Listenable

  A deep guide to securities risk management, compliance, and internal control roles, covering market/credit/operational/liquidity risk measurement, a real day in the role, regulatory frameworks, certifications, salary, an

  2026-05-27 · 19 min read #finance-career#risk-management#compliance#internal-control#securities-career

• Securities Career Roadmap: Market Study, Role Selection, Reports, Modeling, and Interview Prep

  A step-by-step order for securities firm candidates to pick a role across WM, IB, S&T, Research, and IT, and to build a portfolio.

  2026-05-27 · 8 min read #finance-career#securities-career#career#jd#financial-jobs