The Daily Index — Monday, June 16, 2025 · TLDR Index

ARTICLES & TUTORIALS

TLDR Web Dev

TLDR Web Dev

USE ASYNC LOCAL STORAGE TO PREVENT PROPS DRILLING IN NEXT.JS ROUTE HANDLERS

Async Local Storage acts like React Context but for Node.js, storing data accessible within the same execution context. It can be used to pass a user object through multiple functions easily. The code provided uses `userContext.run()` to wrap functions needing access.

nico.fyi · 5 min

TLDR Web Dev

THE CASE FOR SOFTWARE CRAFTSMANSHIP IN THE ERA OF VIBES

The increased accessibility of code generation through AI should elevate the standard for software quality, not just quantity. System design and taking ownership of the user experience is even more important now.

zed.dev · 6 min

TLDR Web Dev

LESSONS FROM 9 MORE YEARS OF TRICKY BUGS

In this developer's nine years of tricky bugs, common coding errors involved empty cases, date-related logic, data format upgrades, and aliased dictionaries. Good testing had exploratory methods, smaller test environments, and accounted for varied access rights. Debugging relied on detailed logging, collaboration, alerting systems, and reproducing issues with minimal examples.

henrikwarne.com · 8 min

TLDR Web Dev

CAN AI REBUILD A RAILS PAGE IN NEXT.JS? WE TRIED IT

These developers attempted to rebuild a page from an internal Rails app using Cursor with different LLMs (Gemini 2.5 Pro and Claude 4). After three attempts with varying degrees of success, the LLMs almost completed the task, missing only a simple "use client" directive to make it fully functional.

thoughtbot.com · 3 min

TLDR Web Dev

SOURCE CODE SANDBOXING

It's easier than expected to implement source code sandboxing, which limits a program's access to system resources, across various operating systems and languages in 2025. This article goes over tools like seccomp, landlock, seatbelt, Capsicum, pledge, JSM, secmodel, and privileges, analyzing the complexity of their documentation and implementation through code examples and a case study of OpenSSH. The findings suggest OpenBSD's pledge has seen the most success due to its simplicity, while Linux's seccomp is considerably more complex.

kristaps.bsd.lv · 6 min

TLDR Web Dev

GOOGLE CLOUD SERVICE HEALTH

A faulty code deployment triggered by an invalid automated quota update caused a widespread Google Cloud and Workspace service disruption with API request errors across multiple regions on June 12.

status.cloud.google.com · 15 min

TLDR Web Dev

TIP: PUT YOUR RAILS APP ON A SQL QUERY DIET

To improve Rails application performance, minimize SQL query count by monitoring queries, eliminating unnecessary and duplicate queries, consolidating data access, and focusing on retrieving only the data needed for client application use cases.

andyatkinson.com · 5 min

TLDR Web Dev

ONE MORE REASON TO CHOOSE POSTGRES OVER MYSQL

A big advantage of Postgres over MySQL is Transactional DDL, which allows database schema changes within a single, reversible transaction.

tanin.nanakorn.com · 3 min