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TEACHABLE MACHINE

Teachable Machine is a web-based tool that allows anyone to quickly and easily create machine learning models to recognize images, sounds, and poses in a no-code way.

REACT, VISUALIZED

This article provides a visualized walkthrough of React, explaining its historical context by contrasting it with jQuery, Backbone.js, and AngularJS. React's main innovation is representing the view as a function of the application's state (v = f(s)), implemented through a component-based API that uses JSX for combining HTML and JavaScript. The article details key concepts like managing props (data passed between components), state (data within components), rendering (updating the UI based on state changes), and effects (managing side effects), along with advanced topics like Context and refs.

RUNNING GPT-2 IN WEBGL: REDISCOVERING THE LOST ART OF GPU SHADER PROGRAMMING

GPT-2 can be implemented in WebGL using GPU shader programming. Early programmable shaders paved the way for general-purpose GPU (GPGPU) computing. This dev repurposed textures, framebuffers, and fragment shaders to perform neural network operations on the GPU, treating the graphics pipeline as a parallel engine.

DON'T SOLVE PROBLEMS YOU DON'T HAVE. YOU'RE LITERALLY CREATING PROBLEMS

Prioritize present, tangible problems over hypothetical ones. Focusing on immediate needs and consequences allows for faster iteration and adaptation based on real-world usage. Prematurely addressing potential issues can be a distraction that leads to unnecessary complexity and delays.

THE HIDDEN COST OF SKIPPING THE FUNDAMENTALS IN THE AGE OF AI

AI is so easy to use that it encourages skipping fundamental understanding, leading to fake "working" solutions. This shortcutting results in fragile, unmaintainable codebases.

JUST USE REACT

Modern JavaScript frameworks like React are necessary for complex web applications despite the appeal of "pure HTML." While simple HTML is fine for basic websites, frameworks offer necessary tools for managing state, creating reusable components, and easily updating the UI in interactive and dynamic applications. They also aid in accessibility at scale and provide a better developer experience.

FLOWGRAM

Flowgram is a node-based flow building engine that lets developers create visual workflows with AI capabilities using either fixed or free-form layouts.

LUMOSQL

LumoSQL makes the SQLite embedded data storage library better by adding security, privacy, performance, and measurement features. It includes pluggable backends, encryption, corruption detection, and a unique "Not-forking" tool for tracking upstream changes.

GOOGLE GEN AI SDK FOR TYPESCRIPT AND JAVASCRIPT

The Google Gen AI JavaScript SDK lets TypeScript and JavaScript developers build applications powered by Gemini, with features like accessing models, managing caches, creating chats, and uploading files.

TRIP REPORT: NODE.JS COLLABORATION SUMMIT (2025 PARIS)

Twice a year, a group of Node contributors and community members meet to discuss the project, brainstorm ideas, and push new initiatives. This time, they talked about the recent CI security incident, Async Context, and the ability for Node.js to compile apps into executables.

TRYING TO TEACH IN THE AGE OF THE AI HOMEWORK MACHINE

AI is increasingly used for cheating in classes, leading to a decline in real learning and engagement with the material. This results in an adversarial dynamic in grading. To combat this, more professors are adopting pen-and-paper methods in the classroom, focusing on the process of learning rather than the polished final product.

PYREFLY VS. TY: COMPARING PYTHON'S TWO NEW RUST-BASED TYPE CHECKERS

Pyrefly and ty are two new Rust-based Python type checkers - ty prioritizes a gradual approach to typing that avoids introducing new errors in working code, while Pyrefly aggressively infers types, potentially finding more errors but also creating false positives.

HOW JAVASCRIPT'S AT() METHOD MAKES ARRAY INDEXING EASIER

Array.prototype.at() returns the element at the index - you can pass in -1 to get the last item and it's an overall readability improvement.

CENTRALIZE HTTP ERROR HANDLING IN GO

A Go pattern for centralizing HTTP error handling is to define custom HTTP errors, create a handler wrapper that returns errors, and write cleaner handlers that focus on business logic instead of repetitive error handling code.

BUILDING SOFTWARE ON TOP OF LARGE LANGUAGE MODELS

This is a 3-hour-long PyCon workshop on building with LLMs, with interactive exercises covering everything from basic prompting to advanced techniques like tool usage and RAG.

6 WAYS SLACK, NOTION, AND VSCODE IMPROVED ELECTRON APP PERFORMANCE

Electron apps often face performance challenges like slow startup times and poor interaction, but these can be improved with strategic optimizations. The most impactful strategies include using a bundler to avoid synchronous `require()` calls, deferring non-critical imports with code splitting, and migrating computationally expensive tasks to WebAssembly or native modules. More improvements come from using V8 snapshots for faster initialization and by actively monitoring end-user performance with tools.

PARTICLE LIFE SIMULATION IN BROWSER USING WEBGPU

WHICH GO ROUTER SHOULD I USE?

This article evaluates 30 third-party routers and recommends five: http.ServeMux, httprouter, chi, flow, and gorilla/mux. http.ServeMux is good due to its standard library status, while alternatives like gorilla/mux or chi are better for complex matching requirement. httprouter and flow are good for custom 404/405 responses.

YOU PROBABLY DON'T NEED A DI FRAMEWORK

Manual dependency wiring is better than using Dependency Injection (DI) frameworks in Go. DI, at its core, is simply passing dependencies into constructors rather than creating them internally. As a result, DI frameworks can introduce complexity by relying on reflection or code generation, leading to runtime errors or difficult debugging.

THE COPILOT DELUSION

AI coding assistants like GitHub Copilot promote an illusion of progress and degrade programming skills. While they are occasionally helpful for syntax and brainstorming, they lead to lazy coding, technical debt, and a disconnection from the underlying hardware.

ASK HN: ANYONE STRUGGLING TO GET VALUE OUT OF CODING LLMS? (HACKER NEWS THREAD)

LLMs aren't always great for core coding tasks, as the generated code often requires excessive micromanagement and isn't maintainable. Some find LLMs highly productive for greenfield projects, but less helpful for maintaining existing systems or handling complex features. Others find that LLMs raise the floor of software dev skills.

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PGDOG

PgDog is a Rust-based transaction pooler and logical replication manager designed to shard PostgreSQL databases. It acts as a load balancer, supporting healthchecks, failover, and various connection routing strategies, including directing SELECT queries to replicas.

ANTHROPIC RUBY SDK

The Anthropic Ruby SDK provides easy access to the Anthropic REST API from Ruby apps, with features like streaming responses, pagination, file uploads, error handling, retries, timeouts, AWS Bedrock and Google Vertex integration, and Sorbet typing.

GOOGLE IS BURYING THE WEB ALIVE

Google's new AI Overviews and AI Mode are changing how users interact with search results. Instead of directing users to external websites, these features summarize information directly within Google's interface, effectively demoting and burying the original sources. This shift risks undermining the websites that supply Google with data, starving them of traffic and revenue.

THE DOUBLE STANDARD OF WEBHOOK SECURITY AND API SECURITY

There's a common practice of signing webhook requests with HMAC-SHA256 while API requests often rely on just API keys. Request signing has benefits like reduced secret leakage, replay protection, and integrity verification, but it also introduces complexity and performance overhead. Herd mentality and historical precedent contribute to this double standard, but in today's world, it's fine for webhooks to also just use shared secrets like API requests.

HOW TO RUN LLMS ON-DEVICE IN REACT NATIVE WITH VERCEL AI SDK

`react-native-ai` is a React Native library powered by the MLC LLM Engine and compatible with Vercel AI SDK, letting devs run LLMs on-device within React Native apps.

MAKING NEXT.JS NAVIGATION FAST AF

Faster Next.js page navigation is possible by using React Router and a static app shell for client-side routing instead of Next.js's default navigation.

I THINK IT'S TIME TO GIVE NIX A CHANCE

Despite its steep learning curve, Nix, a functional package manager, is worth considering because it solves the growing problem of irreproducible software development environments through its approach of isolated, cryptographically-assured package management, and reproducible environments with flakes.

AI MAKES BAD MANAGERS

Relying on AI to perform core management tasks, like performance reviews, prevents managers from developing the core skills needed to become good managers, such as the difficult decision-making required for effective leadership.

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CONCURRENT RENDERING

React 18's concurrent rendering is an update that makes rendering interruptible, allowing React to prepare multiple UI versions simultaneously and prioritize urgent updates over non-urgent ones for better responsiveness. This also includes updates to the startTransition API, useTransition and useDeferredValue hooks, and automatic batching to improve app performance during heavy rendering tasks.

10 UPDATES FROM GOOGLE I/O 2025: CSS CAROUSELS, AI-POWERED DEVTOOLS, PROMPT API WITH MULTIMODAL CAPABILITIES, AND MORE

Google I/O 2025 introduced 10 updates for web dev. CSS carousels are simplified and the new Interest Invoker API enables declarative popovers. AI capabilities are expanded with built-in APIs, the multimodal Prompt API, client-side integration with Firebase and Gemini, and AI assistance within Chrome DevTools for debugging. There's also improved performance analysis in DevTools.

TRADING WITH CLAUDE (AND WRITING YOUR OWN MCP SERVER)

Anthropic's Model-Context Protocol (MCP) can be used to allow AI assistants like Claude to interact with external tools. This article goes over how to build an MCP server that connects to a brokerage, checks a portfolio, and places trades with Claude using Go and the go-mcp framework.

YOU CAN CHOOSE TOOLS THAT MAKE YOU HAPPY

People often choose obscure or outdated technologies for emotional reasons, like feeling connected to a certain tradition or aligning with specific aesthetics. They then create rationalizations for these choices, downplaying the downsides of their preferred tech and exaggerating the drawbacks of popular alternatives. However, it's perfectly fine to use tools that bring you joy without any need for justification.

REINVENT THE WHEEL

It's common advice to avoid reinventing the wheel. However, recreating existing tools and technologies is a valuable learning experience. By building your own versions, you gain insights into trade-offs, limitations, and potential improvements of existing solutions.

GOOD WRITING

Good writing is both aesthetically pleasing and conceptually accurate, and these qualities are surprisingly interconnected. Polishing the sound of writing often clarifies and refines the ideas themselves, similar to how shaking a bin helps objects pack together efficiently. This is because making writing sound good forces the writer to confront and resolve inconsistencies or awkwardness in their thinking.

out.

RENDER HOOKS

This library lets you place hooks right next to the markup that needs them without breaking the rules of hooks.

PROMPT KIT

Prompt-kit provides customizable React components built with Next.js, Tailwind CSS, and Shadcn UI for creating AI apps and interfaces.

A BRIEF HISTORY OF JAVASCRIPT

This article traces JavaScript's 30-year evolution from Brendan Eich's 10-day creation in 1995 to becoming the world's most popular programming language, with major milestones like the browser wars, AJAX enabling dynamic web apps (2005), Node.js bringing JavaScript to servers (2009), and the rise of modern frameworks like React and Angular. The timeline also covers the introduction of TypeScript, npm, ES6's standardization, and recent innovations including edge computing, AI integration, and new runtimes like Deno and Bun.

AT AMAZON, SOME CODERS SAY THEIR JOBS HAVE BEGUN TO RESEMBLE WAREHOUSE WORK

Amazon software devs are being pushed to use AI, leading to a faster pace and higher output goals. Some engineers feel like they are "bystanders" in their own jobs, as the focus has shifted from writing code to reviewing AI-generated code, which reduces the time for reflection and collaboration. While companies like Amazon argue AI can relieve tedious tasks, some workers worry about the impact on career advancement and the degradation of work quality.

SYSTEM CARD: CLAUDE OPUS 4 & CLAUDE SONNET 4

Anthropic's system card for Claude Opus 4 and Sonnet 4 shows improved capabilities and some concerning behaviors, including self-preservation instincts leading to blackmail attempts and potential whistleblowing.

ON FILE FORMATS

Before designing file formats, check existing formats, consider human readability, use chunked binary structures, allow partial parsing, version the format, and document it thoroughly.

THE FUTURE OF MCP IS GRAPHQL

The Apollo MCP Server uses GraphQL to provide a standardized, efficient, and governed abstraction layer between AI systems and APIs.

ROOT FOR YOUR FRIENDS

You should actively support your friends' successes and reject jealousy, as the positive feedback loop carries on in all aspects of life.