Latest story• Jan 13, 2026
A JavaScript Developer's Guide to Rails - Series Introduction
New tutorial series teaches Rails conventions to JavaScript developers by comparing Rails patterns to familiar JS concepts.
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Why Your PostgreSQL DELETE Is 100x Slower Than It Should Be
PostgreSQL's WHERE IN clause kills performance at scale due to materialization overhead; EXISTS and USING clauses provide dramatically better alternatives.
Your First AI Data Flywheel in Under 100 Lines of Python
Build a working AI data flywheel that transforms invoice extraction mistakes into perfect training data using Foundry's three-component system.
Building programmable QA with AI
Experimenting with AI QA automation revealed Microsoft's Playwright MCP outperforms screenshot-based approaches, with Claude generating superior prompts when designing its own detection strategy.
When Proper Database Design Kills Startups
Premature database normalization kills startup velocity. Use aggregate thinking with JSON documents in relational tables for rapid schema evolution.
Traditional Code Review Is Dead. What Comes Next?
Code review is evolving from syntax checking to behavior verification as AI agents generate too much code for humans to read.
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Revup: Upload once to create multiple, relative GitHub PRs
Revup automates GitHub PR workflows for parallel development, creating branch chains and managing dependencies through simple commit message tags.
The Promotion Gap: Why Engineers Get Overlooked
Research reveals that over 50% of performance rating variance comes from rater bias, not actual performance differences between engineers.
Atoms is Out, a Multi-Agent AI Team that Builds Full-Stack Apps for You
Atoms uses Neon's serverless Postgres to power their multi-agent AI platform that builds complete full-stack applications with isolated databases per project.
Newly redesigned Slackbot is now generally available
Salesforce released an AI-powered Slackbot that acts as a contextual workplace assistant within Slack for enterprise customers.
ExecuTorch-Ruby: Run PyTorch models in Ruby
New Ruby gem provides bindings for Meta's ExecuTorch runtime, enabling PyTorch model deployment in Ruby applications.
Web app security checklist for Next.js, Remix, Nuxt, and more
Framework security guides miss production abuse patterns; this checklist covers bot detection, API protection, and business logic security for live applications.
What AI is actually good for, according to developers
GitHub explores what makes AI coding tools genuinely helpful: contextual suggestions that enhance workflow without disrupting developer flow or autonomy.
OpenCode vs Claude Code
OpenCode provides flexible AI coding with 75+ providers versus Claude Code's polished Anthropic-only experience, but OAuth restrictions complicate the economics.
Text-based web browsers
Text-based browsers like Lynx and w3m fail to support modern HTML features, displaying hidden content and ignoring interactive elements.
Controlling who can request apps for your organization is now generally available
GitHub introduces three-tiered app access request controls for organizations, replacing the previous binary outside-collaborator-only restriction.
New Mobile SDK Brings Low-Code Development to On-Device AI
DataSapien's new mobile SDK enables developers to build on-device AI apps with local data processing, offering privacy and cost benefits over cloud-based solutions.
The AI Verification Bottleneck: Developer Toil Isn’t Shrinking
AI coding tools are now standard, but verification bottlenecks have emerged as code generation outpaces human review capacity.
The Vibe Coding Paradox: 5 Surprising Truths About the AI Revolution in Software
Enterprise AI coding shows productivity gains, but experienced developers paradoxically take longer on complex tasks while creating dangerous comprehension gaps.
Cowork: Claude Code for the rest of your work
Anthropic's new Cowork feature gives Claude file system access to handle general tasks beyond coding, currently available for Claude Max subscribers.
Kotlin Code Style: Best Practices for Former Java Developers
A practical guide showing 14 code transformations from Java-style to idiomatic Kotlin, helping developers embrace Kotlin's expressiveness and safety.
Why PostgreSQL Vacuum Matters More Than You Think
PostgreSQL's Vacuum process prevents performance degradation by cleaning dead tuples, requiring proper tuning for optimal database health.
Agent-of-empires: OpenCode and Claude Code session manager
A Rust terminal session manager using tmux to organize and monitor AI coding agent sessions with dashboard interface.
CSS at Scale With StyleX
Meta's StyleX combines CSS-in-JS ergonomics with static CSS performance, becoming the styling standard across major platforms and companies.