Search the archive

Full-text search across article titles and summaries. Refine with sector, year, content type, and reading-time filters.

Results

9,381 matches

DEEP CHAT

Deep Chat is a customizable AI chat component that can be added to websites with a single line of code. It has support for file sharing, webcam access, speech communication, markdown support, and integration with popular AI APIs like OpenAI and Hugging Face.

2025.09.19
github.comGitHub repositoryTLDR Web Dev

ANNOUNCING TLDRAW SDK 4.0

tldraw SDK 4.0 is a TypeScript library for building infinite canvas apps. The new version includes a CLI tool, `npm create tldraw`, with starter kits like agent, workflow, and multiplayer options.

2025.09.19
tldraw.dev5 min readTLDR Web Dev

SLACK IS EXTORTING US WITH A $195K/YR BILL INCREASE

Hack Club, a nonprofit that provides coding education to teens, had a sudden $195k/year bill increase from Slack, which threatened to deactivate its workspace and erase its message history. This forced the nonprofit to scramble to migrate its communications to Mattermost. After the issue gained traction online, Slack's CEO contacted Hack Club and offered a more favorable resolution.

2025.09.19
skyfall.dev3 min readTLDR Web Dev

A DEEP DIVE INTO CLOUDFLARE'S SEPTEMBER 12, 2025 DASHBOARD AND API OUTAGE

Cloudflare had a major outage of its dashboard and APIs on September 12 caused by a bug in its dashboard that triggered excessive calls to its Tenant Service API due to a problematic React useEffect hook, which coincided with a service update and overwhelmed the system. The Tenant Service handles API authorization, so when it became overloaded, it caused widespread 5xx errors across Cloudflare's APIs and dashboard for several hours.

2025.09.19
blog.cloudflare.com7 min readTLDR Web Dev

WRITING EFFECTIVE TOOLS FOR AI AGENTS—USING AI AGENTS

Anthropic goes over best practices for developing effective tools for AI agents like Claude, focusing on iterative prototyping, evaluation using the Model Context Protocol, and optimizing tool design and descriptions for agent usability and token efficiency.

2025.09.19
anthropic.com8 min readTLDR Web Dev

Sponsored

DESIGN SYSTEM

Most AI tools generate code that ignores your components and design tokens. Engineers end up spending more time refactoring than shipping.

2025.09.17
builder.ioSponsorTLDR Web Dev

FROM 8 YEARS DOWN TO 6 MONTHS: HOW WE BUILT AI TO SPLIT THE MONDAY.COM MONOLITH

Monday.com successfully used an AI-powered migration system called "Morphex" to break apart its massive JavaScript client monolith in just 6 months, reducing the original estimate of 8 person-years of manual work. Morphex combines AI with deterministic code orchestration, breaking the complex migration into small, validated steps while using Monday.com's own platform to track progress and manage thousands of files across the codebase. The hybrid approach has strict validation at each step, human oversight through "Human Todos" and code reviews, and parallel processing to migrate from JavaScript to TypeScript.

2025.09.17
engineering.monday.com8 min readTLDR Web Dev

THE “MOST HATED” CSS FEATURE: COS() AND SIN()

CSS trigonometric functions, specifically `cos()` and `sin()`, were identified as the "Most Hated Feature" in the State of CSS 2025 survey. This article explains these functions by relating them to the unit circle and Cartesian coordinates, explaining how they can be used to calculate positions in circular and wavy layouts. The article then shows how `cos()` and `sin()` can be used to create damped oscillatory animations.

2025.09.17
css-tricks.com18 min readTLDR Web Dev

LOW- AND MID-TIER MOBILE FOR THE REAL WORLD

It can be good to use real-world low- and mid-tier mobile devices for web performance testing in 2025, rather than relying solely on Chrome DevTools' emulated settings. This dev recommends the Samsung Galaxy A15 5G ($199) for low-tier testing and the Samsung Galaxy A54 5G ($450) for mid-tier testing, based on their global market penetration, representative hardware capabilities, long software support, and reasonable pricing.

2025.09.17
csswizardry.com8 min readTLDR Web Dev

WHEN THE JOB SEARCH BECOMES IMPOSSIBLE: THREE PHASES OF BURNOUT

During a prolonged job search, this dev burned out. As time goes on, there is an increasing exhaustion and desperation in each phase as traditional job-seeking methods fail. However, devs in this situation aren't alone, and should take rest and recharge their minds when they burn out during such tough job searches.

2025.09.17
jeffwofford.com10 min readTLDR Web Dev

IN DEFENSE OF C++

This dev defends C++ against common criticisms, saying that its complexity is manageable, its age doesn't equate to obsolescence, and its "unsafe" reputation can be mitigated. C++'s large ecosystem and continuous updates, like C++20 and C++23, make it a relevant choice for various applications.

2025.09.17
dayvster.com14 min readTLDR Web Dev

LET'S KILL VIBE CODING AND BRING BACK PROMPT ENGINEERING

Devs have abandoned the methodical approach of prompt engineering in favor of vibe coding. While vibe coding may feel effortless, it often produces sloppy, inconsistent results, whereas prompt engineering leads to higher-quality, more reliable AI-generated code through deliberate problem-breaking and iteration.

2025.09.17
blog.logrocket.com8 min readTLDR Web Dev

CLAUDE CODE ACTION

Claude Code Action is a GitHub Action developed by Anthropic that allows Claude to answer questions, implement code changes, review code, and automate tasks within pull requests and issues. It detects when to activate based on mentions, assignments, or prompts, and supports multiple authentication methods.

2025.09.17
github.comGitHub repositoryTLDR Web Dev

CLAUDE FLOW

Claude-Flow is an enterprise-grade AI orchestration platform. It combines hive-mind swarm intelligence, neural pattern recognition, and many MCP tools to help create AI-powered development workflows. The platform has a dynamic agent architecture, SQLite memory system, advanced hooks, and GitHub integration.

2025.09.17
github.comGitHub repositoryTLDR Web Dev

ANTHROPIC ECONOMIC INDEX REPORT: UNEVEN GEOGRAPHIC AND ENTERPRISE AI ADOPTION

Anthropic's Economic Index report shows that AI adoption is following historical patterns of technological diffusion, with usage concentrated in wealthy regions and specific enterprise applications, though at an unprecedented speed. The report found that 40% of US employees now use AI at work (up from 20% in 2023), with high-income countries like Singapore and Canada showing 4.6x and 2.9x expected usage rates, respectively, while emerging economies like India and Nigeria lag significantly behind. Enterprise API usage shows businesses primarily deploying AI for automation tasks (77% of cases).

2025.09.17
anthropic.com8 min readTLDR Web Dev

HOW RUBY EXECUTES JIT CODE: THE HIDDEN MECHANICS BEHIND THE MAGIC

This article explains the inner workings of Ruby's JIT (Just-In-Time) compilers. JIT-compiled machine code lives alongside the original bytecode in Ruby's Instruction Sequences (ISEQs), with Ruby deciding which to execute based on call frequency. Methods must be called 25+ times to be profiled and 30+ times to be compiled to native code. When JIT code's assumptions are violated, Ruby "de-optimizes" by falling back to the interpreter to guarantee correctness.

2025.09.17
railsatscale.com6 min readTLDR Web Dev

NOW TESTING IN SFO

Waymo has received a permit to begin commercial operations at San Francisco International Airport.

2025.09.17
waymo.com2 min readTLDR Web Dev

Sponsored

TESTING

If slow QA processes bottleneck you or your software engineering team and you're releasing slower because of it — you need to check out QA Wolf.

2025.09.16
qawolf.comSponsorTLDR Web Dev

APPLE HAS A PRIVATE CSS PROPERTY TO ADD LIQUID GLASS EFFECTS TO WEB CONTENT

The private Apple CSS property, `-apple-visual-effect`, enables the "Liquid Glass" effect in iOS webviews. Although this property works when manually enabled, it's inaccessible for general web development and App Store apps due to its private status. Apple probably uses this feature internally to seamlessly integrate webviews into the iOS UI.

2025.09.16
alastair.is3 min readTLDR Web Dev

FALSEHOODS PROGRAMMERS BELIEVE ABOUT NULL POINTERS

Programmers commonly have some misconceptions about null pointers in languages like C, C++, and Rust. This article debunks assumptions ranging from immediate crashes upon dereferencing to the guaranteed address of zero for null pointers. These misconceptions come from compiler optimizations, platform-specific quirks, and the evolving understanding of undefined behavior.

2025.09.16
purplesyringa.moe12 min readTLDR Web Dev

WHY ARE EVENT-DRIVEN SYSTEMS HARD?

Event-driven systems use asynchronous messages to trigger actions. These often have to deal with evolving message formats, which requires strategies like backward/forward compatibility and schema registries to avoid system failures. Debugging is difficult due to the distributed nature, but correlation IDs allow for tracing events across services.

2025.09.16
newsletter.scalablethread.com7 min readTLDR Web Dev

REACT WON BY DEFAULT – AND IT'S KILLING FRONTEND INNOVATION

The widespread default adoption of React in frontend development is stifling innovation. While React is excellent, its dominance discourages the adoption and evaluation of potentially better-suited frameworks like Svelte, Solid, and Qwik. These frameworks offer unique approaches such as compile-time optimization and fine-grained reactivity, which devs should also try to keep in mind.

2025.09.16
lorenstew.art9 min readTLDR Web Dev

WHY DO SOFTWARE DEVELOPERS LOVE COMPLEXITY?

Software developers often gravitate towards complexity despite the KISS principle due to its marketability and the perception that it signals expertise and innovation. This complexity can be driven by marketing hype, the creative satisfaction of solving intricate problems, the need to navigate existing convoluted codebases, and pressures to innovate within competitive team dynamics. However, unnecessary complexity creates a maintenance nightmare.

2025.09.16
kyrylo.org5 min readTLDR Web Dev

Sponsored

ALGOLIA DEVELOPER CONFERENCE

Join us at ALGOLIA DEVCON 2025 [14] to go deep on building real-world AI with LLMs, vector search, ranking, and real infra lessons from teams shipping to production. October 1–2 · Free & virtual

2025.09.16
algolia.comSponsorTLDR Web Dev

INTRODUCING UPGRADES TO CODEX

OpenAI has released GPT-5-Codex, a better version of GPT-5 optimized for agentic coding within Codex. Codex now integrates with ChatGPT and supports various platforms like terminals, IDEs, and even mobile apps. It has a revamped Codex CLI, a new IDE extension, improved cloud infrastructure, and code review capabilities trained to catch flaws before deployment.

2025.09.16
links.tldrnewsletter.com12 min readTLDR Web Dev

MACOS TAHOE

macOS Tahoe introduces a fresh, Liquid Glass design, better Continuity with iPhone through a new Phone app and Live Activities, Apple Intelligence integration for productivity boosts, and various updated features across apps like Messages, Photos, and Reminders.

2025.09.16
apple.com11 min readTLDR Web Dev

SEMLIB

Semlib is a Python library that enables the creation of data processing and analysis pipelines using LLMs. It provides functional programming primitives like map, reduce, sort, and filter, but uses natural language descriptions instead of code for these operations. This approach breaks down complex tasks into simpler steps for improved quality, feasibility, latency, and cost-effectiveness.

2025.09.16
github.comGitHub repositoryTLDR Web Dev

WHICH NPM PACKAGE HAS THE LARGEST VERSION NUMBER?

This dev investigated which npm package has the largest number in its version by fetching package data from the npm registry. After fetching metadata for millions of packages, they initially found "latentflip-test" with a very large version number, which they considered invalid. After filtering and manual inspection, the author discovered that "all-the-package-names" has version 2.0.2401, making it the npm package following semantic versioning with the largest valid number.

2025.09.16
adamhl.dev15 min readTLDR Web Dev

HOSTING A WEBSITE ON A DISPOSABLE VAPE

This dev hosted a website on a disposable vape's microcontroller, the PUYA PY32F002B. He used semihosting to emulate a serial modem, enabling SLIP (Serial Line Internet Protocol) communication and integrating uIP for TCP/IP support. It was initially slow, but he optimized the web server by implementing a ring buffer to improve data handling and speed.

2025.09.16
bogdanthegeek.github.io7 min readTLDR Web Dev

AI HYPE IS MASKING RECESSION SIGNALS IN THE MARKET

Despite record highs driven by AI excitement, the stock market is masking underlying recessionary signals in other sectors. These AI investments are primarily driving market performance, rather than consumer spending. However, a market rotation is beginning, with investors eyeing previously struggling sectors anticipating potential interest rate cuts and the impact of AI on productivity.

2025.09.16
links.tldrnewsletter.com5 min readTLDR Web Dev

BORING WORK NEEDS TENSION

Software developers can make their work more engaging by actively seeking out and resolving technical challenges ("tensions") that come up in their daily tasks.

2025.09.16
iaziz786.com2 min readTLDR Web Dev

HOW TO SELF-HOST A WEB FONT FROM GOOGLE FONTS

To avoid leaking visitor IP addresses to Google, download Google Fonts files, self-host them with relative paths, link the CSS file in your HTML, apply the font in your CSS, and include the font's license.

2025.09.16
blog.velocifyer.com3 min readTLDR Web Dev

DEATH💀 TO TYPE CLASSES

Replacing Haskell's type classes with the Backpack module system might be a simpler, faster approach to effect systems, as you can implement Functors and effects using Backpack modules and signatures.

2025.09.16
jappie.me11 min readTLDR Web Dev

Sponsored

WITH ROCKET

Need a working prototype? Want to mess around with that mobile app idea you've not found time for? Need a starting point for the next app redesign?

2025.09.15
rocket.newSponsorTLDR Web Dev

UTF-8 IS A BRILLIANT DESIGN

UTF-8 is a great character encoding design that represents millions of characters from different languages while still having backward compatibility with ASCII. It uses a variable-width encoding (1-4 bytes) where the first byte indicates the number of bytes required for a character, making sure ASCII characters remain single-byte. This design makes every ASCII file a valid UTF-8 file and vice versa when only ASCII characters are present.

2025.09.15
iamvishnu.com8 min readTLDR Web Dev

USING THE NODE 18+ NATIVE TEST RUNNER WITH TYPESCRIPT AND REACT

Node.js 18 introduced a native test runner that can replace Jest, Mocha, or Vitest for basic testing scenarios, including TypeScript and React component testing. The setup requires minimal configuration with experimental flags for TypeScript support and module mocking, plus dependencies like `tsx`, `global-jsdom`, and `@testing-library/react`. While it has advantages like no config files and a smaller dependency footprint, it has limitations like having a smaller ecosystem compared to established testing frameworks.

2025.09.15
matthewbrown.io2 min readTLDR Web Dev

DEVELOPING AN ALT TEXT BUTTON FOR IMAGES ON MY WEBSITE

This dev created an HTML and CSS-only "Alt" button for images on their website inspired by Mastodon's similar feature that allows users to view alt text descriptions by clicking a button. The solution uses a checkbox trick with CSS styling to show/hide alt text content when the button is clicked, positioning the actual checkbox off-screen while keeping the label visible as the clickable button.

2025.09.15
jamesg.blog6 min readTLDR Web Dev

HOW TO WRITE "GARBAGE CODE" (BY LINUS TORVALDS)

Linus Torvalds, the creator of Git and Linux, says that overly complex or abstracted code, like unnecessary helper functions, makes code maintainability and understanding worse. It increases cognitive burden and, in some cases, it makes sense to repeat code to reduce human and LLM context switching. Code should be optimized for readability and ease of iteration.

2025.09.15
read.engineerscodex.com7 min readTLDR Web Dev