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DUCKUI

Duck-UI is a web interface for the DuckDB database that runs entirely in your browser using WebAssembly. It allows users to run SQL queries, import various data formats, and connect to remote DuckDB servers. It includes a SQL editor with advanced features, data exploration tools, persistent storage via OPFS, and a focus on speed and privacy.

FLOWISTRY

Flowistry is a VSCode plugin for Rust that analyzes information flow to help devs focus on relevant code. By fading out irrelevant code, Flowistry allows users to understand the impact of specific variables or expressions, making it easier to comprehend complex functions.

LEADING OPENAI RESEARCHER ANNOUNCED A GPT-5 MATH BREAKTHROUGH THAT NEVER HAPPENED

OpenAI researchers initially claimed a major math breakthrough by GPT-5, suggesting it had solved previously unsolved Erdős problems. However, mathematician Thomas Bloom clarified that the problems were not truly unsolved, and DeepMind CEO Demis Hassabis criticized the announcement as misleading. The researchers later retracted their claims, admitting their mistake and deleting the original tweets.

STOP IGNORING THE BROWSER: THE BIGGEST FRONTEND SHIFT IN A DECADE

Developers are returning to using native browser capabilities rather than relying heavily on complex JavaScript frameworks and build tools. This "back to the browser" movement uses built-in web APIs, native features, and simpler architectures that work directly with what browsers already provide.

GRAPHQL MYTHS

This article debunks three common GraphQL myths: that it only uses POST requests, forces everything through a single `/graphql` endpoint, and allows dangerous arbitrary queries from users. These issues come from default configurations rather than inherent GraphQL limitations. Persisted operations (where queries are pre-registered and referenced by hash) solve all three problems by enabling GET requests, creating meaningful URLs, and restricting queries to a trusted allowlist.

I WISH SSDS GAVE YOU CPU PERFORMANCE STYLE METRICS ABOUT THEIR ACTIVITY

It would be great if SSDs could provide CPU-like performance metrics (e.g., erase counts, stall times) to better understand drive behavior and optimize performance, particularly in write-heavy workloads, even though some information is already available through SMART attributes.

RSS IS STILL PRETTY GREAT

RSS feeds are still a valuable tool for consuming high-quality information with minimal distractions, even though it doesn't have analytics, social interaction, and have limitations in content rendering and discoverability.

FIND WHERE A SPECIFIC OBJECT WAS ALLOCATED IN JAVASCRIPT WITH DEVTOOLS

There's a trick using Chrome DevTools' memory profiler to find the allocation point of a specific JavaScript object where you intentionally leak it as a global variable with a unique class name during debugging.

THE MAJORITY AI VIEW

Despite the hype surrounding AI, many tech workers view it as a useful but overblown technology compared to the hype that shouldn't be forced everywhere.

HOW I BYPASSED AMAZON'S KINDLE WEB DRM BECAUSE THEIR APP SUCKED

This dev purchased an ebook from Amazon but was frustrated by the buggy Kindle app and the inability to download the book for offline reading or use with other reader apps. They reverse-engineered Amazon's web DRM, fighting through multiple layers of obfuscation, including randomized alphabets and fake font hints. The solution involved pixel-perfect matching and perceptual hashing to decode the glyphs and reconstruct the book's content, resulting in a tool that can download purchased books and reconstruct them into perfectly formatted EPUB files.

CREDENTIAL STUFFING

Credential stuffing is an automated attack that uses stolen username-password pairs from data breaches to gain unauthorized access to user accounts on other services. Defending against this requires a layered approach that combines strategies like multi-factor authentication, breached password detection, rate limiting, device cookies, behavioral analysis, CAPTCHAs, and risk-based authentication.

WHY WE'RE LEAVING SERVERLESS

Unkey moved from Cloudflare Workers to stateful Go servers to overcome performance limitations and simplify their architecture. The serverless environment's lack of persistent memory forced complex caching workarounds and data pipeline overhead, resulting in high latency. Switching to Go servers improved performance by 6x, removed these complexities through in-memory batching, and allowed for self-hosting.

HOW TO TAME A USER INTERFACE USING A SPREADSHEET

Spreadsheets are a powerful, accessible user interface design tool. They allow designers to focus on layout, positioning, and hierarchy without the distractions of content and style.

MOST OF WHAT WE CALL PROGRESS

Over time, good software engineers shift from valuing cleverness and complexity to prioritizing clarity and stability. True personal perspective progress is less caring about new technologies and more about perspective, teamwork, and simple solutions.

HACKER NEWS - THE GOOD PARTS

Hacker News prioritizes intellectually curious content, fosters a self-moderating community guided by two human moderators, and promotes discussions that are informative and surprising. The platform encourages humility and focuses on delivering signal over noise, making it a unique social network for intellectual growth.

CLAUDE SKILLS: CUSTOMIZE AI FOR YOUR WORKFLOWS

Anthropic's Claude Skills is a new feature that enables Claude to perform specific tasks more effectively by using folders containing instructions, scripts, and resources. Claude automatically selects and loads only the relevant skills. Skills are composable, portable across Claude platforms, and have support for executable code for complex tasks.

CLOUDFLARE SANDBOX SDK

Cloudflare Sandboxes provide secure, sandboxed containers for executing commands, managing files, and running services. They support long-running processes, real-time streaming of output, public URLs for exposed ports, a code interpreter, and filesystem access.

HYPERFLASK

Hyperflask is a full-stack Python framework built on Flask. It has a component system, file-based routing, and pre-built UI components. Hyperflask supports both backend-driven interactive apps and static site generation, providing architecture flexibility.

4,000 GONE: INSIDE NASA'S BRAIN DRAIN

Budget cuts have caused roughly 4,000 NASA employees to leave in the past six months, leading to a huge brain drain that threatens the agency's future. Former NASA scientists describe the departures as catastrophic, citing a loss of expertise, community, and the destruction of NASA's identity.

STATE OF AI REPORT 2025

The State of AI Report 2025 covers research, industry, politics, safety, and a new survey of AI practitioners. This year's report shows more competition in AI development, AI's emergence as a scientific collaborator, and the acceleration of commercial traction for AI tools. There's also more widespread AI usage among professionals, along with large datacenter buildouts to support AI workloads.

ELIXIR V1.19 RELEASED

Elixir v1.19 introduces better type checking and inference for anonymous functions and protocols, leading to better bug detection, alongside compiler improvements like lazy module loading and parallel dependency compilation.

A STATEFUL BROWSER AGENT USING SELF-HEALING DOM MAPS

Agent4 is a stateful browser agent that uses a client-sourced, self-healing DOM map to remember and instantly execute recurring tasks, reducing latency compared to stateless LLM-powered agents.

GEMINI 3.0 SPOTTED IN THE WILD THROUGH A/B TESTING

Google's unreleased Gemini 3.0 AI model was spotted in the wild through A/B testing in AI Studio, with an impressive SVG generation of an Xbox 360 controller showing improved quality compared to Gemini 2.5 Pro.

INKEEP AGENTS

Inkeep Agents provides a platform to build and manage AI agents using either a no-code visual builder or a TypeScript SDK.

THE COUNTRY THAT BROKE KOTLIN

A Turkish software engineer reported a mysterious Kotlin compiler error in 2016, which was eventually traced to a locale-sensitive bug in the `toLowerCase()` function that affected Turkish users. The issue happened because Turkish has two forms of the letter 'i' (dotted and dotless), so when the compiler converted XML message tags like "INFO" to lowercase for lookup, it produced "ınfo" (with dotless ı) instead of "info" on Turkish systems, causing the lookup to fail. This seemingly minor bug took five years to properly identify and fix.

REVERSE ENGINEERING IWORK

This dev created a Swift package called WorkKit to directly parse iWork files (.key, .numbers, and .pages) without requiring export to other formats or server-side processing. This involved reverse engineering the iWork binary format, which uses Google's Protocol Buffers, and extracting the schemas from the application executables. WorkKit maps type IDs to Swift classes, decompresses the Snappy-compressed data, and uses a two-pass system to load and merge document content, which is then exposed to provide decoded data.

CONTEXT INHERITANCE IN TANSTACK ROUTER

TanStack Router's context inheritance feature allows state and type information to flow from parent routes to child routes in a type-safe manner. Path parameters, search parameters, and router context can be defined on parent routes and automatically become available to all child routes with full TypeScript inference. This creates a system where child components gain access to all accumulated state throughout their parent route hierarchy.

THINGS I'VE LEARNED IN MY 7 YEARS IMPLEMENTING AI

HOW I ALMOST GOT HACKED BY A 'JOB INTERVIEW'

This dev narrowly avoided being hacked through a sophisticated scam disguised as a legitimate job interview with a blockchain company. The scam had a fake coding challenge containing obfuscated malware designed to steal sensitive data like crypto wallets and passwords. He was saved by using AI to scan the codebase for suspicious activity before running it.

APPLE UNLEASHES M5, THE NEXT BIG LEAP IN AI PERFORMANCE FOR APPLE SILICON

Apple's M5 chip will be featured in the new 14-inch MacBook Pro, iPad Pro, and Apple Vision Pro. It provides a jump in AI performance, with a next-generation GPU architecture with Neural Accelerators in each core and over 4x the peak GPU compute for AI compared to M4. It also has better graphics, a faster CPU and Neural Engine, and increased unified memory bandwidth.

INTRODUCING CLAUDE HAIKU 4.5

Anthropic has released Claude Haiku 4.5, a new small AI model that offers near-frontier performance with greater cost-efficiency and speed. This model surpasses its predecessor and even Claude Sonnet 4 in certain tasks like computer use, making it ideal for real-time applications like chat assistants and pair programming.

WAHA

WAHA is an HTTP API (REST API) for WhatsApp designed for easy installation and operation on your own server, with capabilities like sending text messages. To start using WAHA, you need Docker installed, after which you can download the WAHA image, run the API, start a new session by scanning a QR code with your phone, and then send messages via the API using the provided Swagger documentation.

THE HISTORY OF CORE WEB VITALS

Core Web Vitals was launched by Google in May 2020 as a set of standardized metrics that measure user experience by assessing website loading speed, interactivity, and visual stability. The initiative was meant to be a more open approach to improve web performance, and has reportedly saved Chrome users over 30,000 years of waiting time through 2024 by encouraging website optimization. These metrics were developed based on research showing that pages meeting the Core Web Vitals thresholds see 24% fewer user abandonments.

HOW FIRST WAP TRACKS PHONES AROUND THE WORLD

An investigation uncovered a massive archive of data showing the global phone-tracking activities of a company called First Wap. First Wap's tool, Altamides, exploits vulnerabilities in the SS7 telecom protocol to track phone locations worldwide without detection on the device itself. The data showed that First Wap tracked thousands of individuals, including journalists, dissidents, and even individuals like Anne Wojcicki, using this method.

CLAUDE HAIKU 4.5 WROTE 62% MORE CODE BUT SCORED 16% LOWER THAN SONNET 4.5

Anthropic's new Claude Haiku 4.5 model was tested on a WebSocket refactoring task. While it produced the most code compared to other models, its quality was much lower than Claude Sonnet 4.5. Haiku 4.5 over-engineered the solution, prioritizing thoroughness at the expense of code quality, correctness, and maintainability.

I AM A PROGRAMMER, NOT A RUBBER-STAMP THAT APPROVES COPILOT GENERATED CODE

Mandatory AI code generation tools during work are turning devs from creators into mere approvers of AI-generated code.

ARE HARD DRIVES GETTING BETTER? LET'S REVISIT THE BATHTUB CURVE

Backblaze's analysis of its hard drive data shows that hard drives are improving in reliability and lasting longer, challenging the traditional "bathtub curve" model of failure rates over time.

WHEN GOOD MODELS GO BAD

Embedding models are necessary for AI applications like search and recommendations, but upgrading to newer models can be costly and disruptive due to incompatible vector spaces.

PWNING THE ENTIRE NIX ECOSYSTEM

Researchers found and reported two vulnerabilities in Nixpkgs GitHub Actions related to pull request targets that allowed potential code injection and unauthorized access via command injection and local file inclusion - they were quickly fixed by maintainers.

HOW WE TEST A WEB FRAMEWORK

Wasp's testing strategy for its full-stack web framework prioritizes tests that clearly express input and expected output, favoring courage over 100% coverage. It also relies on types heavily. Wasp uses snapshot testing to track code generation changes and Playwright to validate apps.

STYLING MARKDOWN

Markdown simplifies writing for the web, but styling the resulting HTML content requires some work. You can either use a pre-defined CSS framework like Tailwind Typography or create custom CSS to integrate the markdown's appearance with the overall site design. This article goes over styling specific elements like headings, images, lists, quotes, tables, and code blocks for the best looking output.

AI AND HOME-COOKED SOFTWARE

AI is democratizing software creation, letting people with domain expertise but without coding skills build custom tools for their specific needs. This "home-cooked software" trend is driven by AI's ability to generate initial prototypes.

WHY YOUR BOSS ISN'T WORRIED ABOUT AI

The public's understanding of software bugs, while helpful for regular software, is misleading when applied to AI systems. Unlike regular software, where bugs are caused by mistakes in code and can be precisely located and fixed, AI vulnerabilities come from large training datasets, making the origin of errors difficult to pinpoint or eliminate entirely. Once a bug is fixed in regular software, it won't reappear again, but this isn't the case with AI, as even after retraining, the weird behavior may still be present, but hasn't been discovered yet.

PYREFLY

Pyrefly is a fast Python type checker and language server designed to speed up IDE features like autocomplete and instant error feedback. It is fast, type checking over 1.85 million lines of code per second, and performs comparably to Pyright and MyPy.

MINA RICH EDITOR

Mina Rich Editor is a block-based rich text editor built using Tailwind CSS and shadcn/ui. It has full-featured table support, multi-select image editing, and a drag-and-drop system. The editor allows for customization through Tailwind CSS.

CSS EXTRAS

CSS Extras is a collection of useful CSS custom functions that use the `@function` rule. Functionalities include math, color manipulation, typography, layout, and theming.