The Daily Index — Wednesday, March 25, 2026 · TLDR Index

ARTICLES & TUTORIALS

TLDR Dev

TLDR Dev

NODE.JS WORKER THREADS ARE PROBLEMATIC, BUT THEY WORK GREAT FOR US

Inngest encountered event loop starvation in its Node.js-based Connect service, where CPU-heavy user code blocked critical heartbeats, causing "no available worker" errors. Their solution was to move the Connect service's internals, like WebSocket connections and heartbeats, into a separate Node.js worker thread to isolate them from user code execution.

inngest.com · 13 min

TLDR Dev

SO WHERE ARE ALL THE AI APPS?

AI tools have not created any overall increase in new package creation or a substantial general uptick in package updates across the board since the advent of modern AI. However, there has been a significant boost in update frequency.

answer.ai · 8 min

TLDR Dev

CODE AS A TOOL OF PROCESS

Programming is an iterative process that sharpens one's understanding by confronting intricate details and questions as features are built. However, generating code with AI skips this sharpening process, preventing developers from deeply understanding the complexities and trade-offs involved.

blog.jim-nielsen.com · 3 min

TLDR Dev

HYPOTHESIS, ANTITHESIS, SYNTHESIS

Hegel is a new family of property-based testing libraries. It currently supports Rust with plans for Go, C++, OCaml, and TypeScript. It uses the Python Hypothesis engine for its core logic.

antithesis.com · 16 min

TLDR Dev

VIDEO.JS V10 BETA: HELLO, WORLD (AGAIN)

Video.js is an open source media player framework for Web and React. It has been modernized, with reduced bundle sizes by up to 88%. It has also been prepped for AI-augmented development.

videojs.org · 14 min

TLDR Dev

I WANTED TO BUILD VERTICAL SAAS FOR PEST CONTROL. I TOOK A TECHNICIAN JOB INSTEAD

This dev took a technician job to gain firsthand experience in the pest control industry. This role revealed operational inefficiencies, including slow recruitment, outdated systems, and a lack of incentives for internal innovation. He decided against selling SaaS to existing companies, opting instead to launch his own pest control business.

onhand.pro · 7 min

TLDR Dev

THE DEATH OF MODEL.FIT(): WHAT DATA SCIENTISTS ACTUALLY DO IN THE AGE OF AI AGENTS

In agentic AI systems, data scientists don't train models. Rather, they own the evaluation infrastructure that keeps agent behavior measurable and improvable. That means building error taxonomies from production traces, maintaining golden datasets of real user inputs, calibrating LLM-as-judge against human raters, and gating deploys with deterministic schema checks.

engineering.monday.com · 12 min

TLDR Dev

IS ANYBODY ELSE BORED OF TALKING ABOUT AI?

This dev finds the pervasive online and workplace discussions solely focused on AI boring, as most.

blog.jakesaunders.dev · 3 min

TLDR Dev

SMALL PROGRAMMING TRICKS

A lot of engineering productivity comes from small, atomic knowledge, and this post shares a list of small programming tricks across various domains.

will-keleher.com · 5 min

TLDR Dev

NO, WINDOWS START DOES NOT USE REACT

The Windows Start menu is not built with React, and only its small "Recommended" section uses React Native for Windows.

pathar.tl · 3 min