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THE HEIGHT ENIGMA IN CSS

Percentage-based heights in CSS can be confusing and often don't work as expected. The core issue is a circular dependency: a child element trying to define its height based on its parent's height, while the parent's height depends on its children. To resolve this, the parent element either needs an explicit, "knowable" height set using units like `rem` or pixels, or the height of the root HTML element must be set to 100% of the viewport.

2025.05.14
joshwcomeau.com20 min readTLDR Web Dev

PDF TO TEXT, A CHALLENGING PROBLEM

The Marginalia search engine is now indexing PDFs, a process more complex than expected. Extracting meaningful text requires parsing challenging items like rotated glyphs and dealing with a lack of semantic information. While vision-based ML is ideal, the current solution modifies PDFBox's PDFTextStripper, improving heading and paragraph identification through statistical analysis of font sizes and line spacing.

2025.05.14
marginalia.nu7 min readTLDR Web Dev

THE TRUE PATH TO GARBAGE CODE: FIGMA SITES

Figma Sites is a web design tool currently in beta that, according to this dev, generates inaccessible and semantically unsound code. It has issues not just in the launch demo, but also broader accessibility problems. These include a flawed heading hierarchy, inconsistent use of alternative text for images, poor site structure with illogical landmark placement, and issues with text scaling and language switching.

2025.05.14
joedolson.com7 min readTLDR Web Dev

FRONTENDS ARE HARD

Deploying modern frontends is challenging due to their complex infrastructure needs and the rapid pace of updates. Cloud providers struggle to keep up, leading many to use specialized services like Netlify and Vercel. SST tackles this by open-sourcing frontend adapters through the OpenNext project and its own infrastructure.

2025.05.14
sst.dev8 min readTLDR Web Dev

Sponsored

🆕 ADD OBSERVABILITY TO VERCEL IN JUST A FEW CLICKS

With one click on your Vercel dashboard, you can now automatically send telemetry [9] from your Vercel workloads to Dash0 for analysis and visualization - including an automated log drain setup. You can also enable tracing and metrics to gain further insights. Install it

2025.05.14
vercel.comSponsorTLDR Web Dev

HELIXDB

HelixDB is an open-source, high-performance graph-vector database written in Rust designed for RAG and AI applications. It combines graph and vector data storage, using LMDB for data persistence and ACID compliance.

2025.05.14
github.comGitHub repositoryTLDR Web Dev

WEBTUI

A modular CSS library with Terminal UI components. It includes ASCII Boxes, badge, button, checkbox, popover, and other components, along with some plugins.

2025.05.14
github.comGitHub repositoryTLDR Web Dev

AIRBNB IS IN MIDLIFE CRISIS MODE

Airbnb is undergoing a major reinvention. Its CEO, Brian Chesky, plans to transform Airbnb into an "everything app," expanding beyond accommodations to include services like fitness, food, and even microdermabrasion. The company is investing hundreds of millions of dollars into this relaunch.

2025.05.14
archive.ph8 min readTLDR Web Dev

WRITING THAT CHANGED HOW I THINK ABOUT PL

A collection of programming language and compiler-related resources (papers, blog posts, and videos) that have significantly influenced the author's thinking, covering topics like garbage collection, optimization, abstract domains, register allocation, regular expressions, neural networks, and compiler design.

2025.05.14
bernsteinbear.com6 min readTLDR Web Dev

ELECTRON AIN'T BAD, ACTUALLY

Electron is a great framework for certain apps, like those using web technologies and streaming services, and its perceived slowness is often due to poorly written code by the framework's users.

2025.05.14
blog.vaxry.net4 min readTLDR Web Dev

Sponsored

Bugs sneak out when less than 80% of user flows are tested before shipping. But getting that kind of coverage—and staying there—is hard and pricey for any size team.

2025.05.13
qawolf.comSponsorTLDR

SAMSUNG LAUNCHES THIN S25 EDGE AS APPLE REPORTEDLY PREPARES THE IPHONE ‘AIR'

Samsung has unveiled a thin version of its flagship smartphone called the Samsung Galaxy S25 Edge. The device is 5.8 millimeters thin and weighs 163 grams. It will go on sale on May 30, starting at $1,099. Samsung may be trying to get ahead of Apple, which is gearing up to launch the iPhone 17 Air.

2025.05.13
cnbc.com3 min readTLDR

WHY MODERNA MERGED ITS TECH AND HR DEPARTMENTS

Moderna's merging of technology and human resources into a single function is a sign of how artificial intelligence will change the workforce. The company is redesigning teams based on what work is best done by people versus what can be automated with technology. It has developed over 3,000 tailored GPTs designed for specific tasks like dose selection for clinical trials and drafting responses to questions from regulators. As a result, roles are being created, eliminated, and reimagined.

2025.05.13
links.tldrnewsletter.com3 min readTLDR

A NEW ERA IN CANCER THERAPIES IS AT HAND

CAR-T cells are modified cells used in a form of immunotherapy that involves changing parts of the immune system into cancer-attacking instruments. It is one of the most promising modern cancer treatments. While some studies have linked the therapy to fatal complications, new therapies are beginning to surpass those challenges and provide safer, more targeted delivery directly to tumors. Improving on these strategies might lead to treatments for even the most resistant types of cancer.

2025.05.13
arstechnica.com5 min readTLDR

NEW MEXICO'S SPACEPORT AMERICA LOOKS UP AND INTO THE FUTURE

Spaceport America, a purpose-built commercial spaceport with 6,000 square miles of restricted airspace, has plans to further grow its launch complex. The company is currently expanding access roads and plans to build a hanger that acts as a security center, STEM education center, office and conference area, and center for handling small vehicle and payload processing. Spaceport America is currently working on a reentry license so it can do capsule return and other types of returns. Being an inland spaceport, it will never have the throughput that the Cape in Florida has, but it is a good alternative for quick small to medium-sized launches.

2025.05.13
space.com7 min readTLDR

HYPER-TYPING

Hyper-typing, the act of making typings so complex that it makes them almost unusable, is becoming a trend in the TypeScript ecosystem. While there are very good reasons for using types, hyper-typing is a slippery slope that ends in a place where things work, and they might also look good for the caller, but the resulting types are a complex mess and the compilation errors produced are walls of inscrutable text. Less accurate and less safe libraries might be dumber, but working with them is overall more enjoyable, and the resulting code is more understandable and maintainable.

2025.05.13
pscanf.com6 min readTLDR

STARGUARD

Fake stars are rampant and supply chain attacks are rising. StarGuard is a command-line tool for detecting fake-star campaigns, dependency hijacks, license red flags, and other signals of open-source risk. It was designed to automate open-source due diligence so it can be done in seconds. StarGuard only uses public metadata (unless a token is provided) and it doesn't execute any code.

2025.05.13
github.comGitHub repositoryTLDR

APPLE CONSIDERS RAISING IPHONE PRICES, WITHOUT BLAMING TARIFFS

Apple is considering price increases for its fall iPhone lineup. It is determined to avoid any scenario in which it appears the price increases are attributed to US tariffs on goods from China. The US and China agreed yesterday to suspend most of the tariffs they had imposed on each other. Chinese factories will continue to handle the bulk of production for Apple's most profitable and high-end phones. While Indian factories are capable of producing Pro models, the country's infrastructure and technical capabilities are not yet able to support mass production at the same scale as China.

2025.05.13
links.tldrnewsletter.com6 min readTLDR

ELON MUSK'S BORING COMPANY IS IN TALKS WITH GOVERNMENT OVER AMTRAK PROJECT

The Federal Railroad Administration is in discussions with the Boring Company to see whether it can help with a multi-billion-dollar Amtrak project. The firm told officials that it could find ways to build the tunnels needed for the project more cheaply and efficiently. The Boring Company is one of several firms being consulted for the project. No decision has been made on bids yet.

2025.05.13
nytimes.com10 min readTLDR

EMBEDDINGS ARE UNDERRATED

The machine learning technology that might end up having the biggest impact on technical writing is embeddings, because they offer writers the ability to discover connections between texts at previously impossible scales.

2025.05.13
technicalwriting.dev21 min readTLDR

AIRWEAVE

Airweave is an MCP-compatible tool that lets agents semantically search any app.

2025.05.13
github.comGitHub repositoryTLDR

Sponsored

UNCHECKED AI AGENTS ARE A RISK: HOW TO SECURE ACCESS

AI agents and MCP servers are powerful—but without proper access control, they can become liabilities. When agents and services have unchecked access, data exposure and unintended actions are inevitable.

2025.05.13
workos.comSponsorTLDR AI

OPENAI STARGATE DELAY

OpenAI's $500 million Stargate data center initiative is reportedly struggling due to investor hesitancy tied to economic volatility.

2025.05.13
techcrunch.com1 min readTLDR AI

GOOGLE'S FUND FOR AI STARTUPS

Google's AI Futures Fund will invest in startups using DeepMind's AI tools and offer access to models, cloud credits, expert support, and potential direct funding.

2025.05.13
blog.google1 min readTLDR AI

GOOGLE TO JOIN AI CODING ASSISTANT RACE

Google is reportedly set to unveil an AI software development agent that assists with the complete development lifecycle at its I/O conference on May 20. The move puts Google in direct competition with Anthropic's Claude Code, OpenAI's Windsurf, and numerous startups in the increasingly crowded AI coding space. There may be potential Gemini integration with AR glasses.

2025.05.13
links.tldrnewsletter.com1 min readTLDR AI

VLM'S LANDSCAPE AND PROGRESS

Hugging Face has outlined how Vision Language Models have advanced with smaller, more capable architectures, enabling reasoning, video understanding, and multimodal agents.

2025.05.13
huggingface.co39 min readTLDR AI

AMAZON'S WAREHOUSE STOWING ROBOT SHOWS PROMISE AND LIMITATIONS

Amazon's custom stowing robot matches human performance in warehouse operations while highlighting robotics' current frontier - its specialized hardware and AI vision can successfully handle diverse items at scale, yet the 14% failure rate demonstrates why full warehouse automation remains elusive despite significant advances.

2025.05.13
arxiv.org14 min readTLDR AI

CHINA'S AI DATA CENTER BOOM FACES COLLAPSE AS DEMAND FALTERS

China's AI infrastructure boom has led to severe overcapacity, with 80% of computing resources across 500+ new data centers sitting unused. DeepSeek's R1 model fundamentally changed market dynamics by shifting demand from training-focused to inference-optimized hardware, rendering many facilities obsolete. Despite this market correction, China has continued to aggressively invest in infrastructure to compete with U.S. initiatives like the $500 billion Stargate project.

2025.05.13
technologyreview.com8 min readTLDR AI

OPENAI'S HEALTHBENCH

OpenAI's HealthBench is a benchmark developed with 262 physicians for evaluating AI models on realistic medical conversations.

2025.05.13
links.tldrnewsletter.com12 min readTLDR AI

LLMS GET LOST IN MULTI-TURN CONVERSATION

LLMs perform significantly worse in multi-turn conversations, with an average 39% drop in task performance due to unreliability and early, incorrect assumptions.

2025.05.13
github.comGitHub repositoryTLDR AI

A GENERALIST ROBOT POLICY FRAMEWORK

UniVLA enables policy learning from unlabeled video across diverse robot embodiments by inferring task-centric latent actions.

2025.05.13
github.comGitHub repositoryTLDR AI

JOURNALISTS REVEAL NUANCED APPROACHES TO AI INTEGRATION

A survey of media professionals from Reuters, The Washington Post, VentureBeat, 404 Media, and others shows newsrooms are adopting AI selectively, embracing it for transcription, data analysis, and translation while rejecting AI content creation. While Reuters reports that AI now generates about 25% of its code, many journalists remain skeptical, prioritizing maintaining audience trust and journalistic integrity over technological efficiency.

2025.05.13
cjr.org3 min readTLDR AI

FIGMA WEBSITE BUILDER

Figma has introduced Figma Sites, allowing users to design, build, and publish responsive websites directly from Figma, streamlining the design-to-production workflow.

2025.05.13
figma.com8 min readTLDR AI

BAMBA-9B-V2

IBM, Princeton, CMU, and UIUC released Bamba v2, a Mamba2-based model that outperforms Llama 3.1 8B after training on 3 trillion tokens. Bamba v2 leverages Mamba2 architecture for 2-2.5x faster inference and excels in L1 and L2 benchmarks. The team plans further optimizations and invites community collaboration to enhance model performance.

2025.05.13
huggingface.co8 min readTLDR AI

MANUS EXPANDS FREE ACCESS

Manus has eliminated its waitlist, offering broader access to its virtual desktop AI agent with one free daily task for all users and a one-time bonus of 1,000 credits and significantly lowering the barrier to entry for this previously hyped automation tool.

2025.05.13
threadreaderapp.com1 min readTLDR AI

JD VANCE TO SPEAK AT BITCOIN 2025

Vice President JD Vance will become the first sitting U.S. vice president to publicly endorse Bitcoin when he delivers a keynote at Bitcoin 2025 on May 28 in Las Vegas. His address will build on prior Senate advocacy against regulatory overreach and in favor of financial sovereignty. Vance's personal Bitcoin holdings, estimated between $250,000 and $500,000, add weight to his remarks on innovation and the future of American finance.

2025.05.13
bitcoinmagazine.com3 min readTLDR Crypto

SEC CHAIR PAUL ATKINS UNVEILS HIS VISION FOR CRYPTO REGULATION

SEC Chair Paul Atkins has announced a shift in the agency's crypto regulatory approach, outlining a more constructive, rules-based framework to foster innovation. Criticizing the prior administration's resistance to adapting to digital assets, Atkins plans to modernize custody rules and introduce regulatory flexibility for emerging crypto products.

2025.05.13
links.tldrnewsletter.com3 min readTLDR Crypto