Tech
- PHP's Emergency Patch: Can Servers Be Taken Over Without a Login? How PHP2Shell Works and How to Check and Patch Your Server
On October 21, PHP shipped an emergency update fixing two critical vulnerabilities that allow unauthenticated remote code execution. We explain the two holes the security industry calls PHP2Shell with simple analogies, then walk through checking the version, applying a temporary mitigation, and upgrading to 8.4.27 on a local Docker server.
Oct 24, 2026
- Claude Code and Codex on One Screen: Splitting Work Between Two Agents and Having Them Review Each Other with Herdr
Once you run two or three agents, you start losing track of who is working and who is waiting on you. We used Herdr, a terminal workspace for agents, to run Claude Code and Codex side by side, split work across git worktrees, and get a review from a different model, building a real dashboard of public GitHub issues along the way.
Oct 24, 2026 - Every Test Passed, and There Was Still a Bug: Finding Ordering Bugs with pstack and TLA+
We installed pstack, the agent skill set a Cursor engineer uses every day, into Claude Code and used formal verification (TLA+) to find and fix a bug the tests missed. Then we opened the open-source code line by line and matched "this part works like this, so the agent did that" against the real session logs.
Oct 24, 2026 - Will Google's OKF Replace RAG? We Tested Both With the Same Questions
In June, Google released OKF (Open Knowledge Format), a way to organize knowledge as a folder of Markdown files. Some people say "RAG is dead." Is it? We asked the same 18 questions over Google's official example bundles using RAG, OKF, put-everything-in, and a hybrid, and measured correct answers and tokens ourselves.
Oct 24, 2026 - Same DeepSeek, Different Price Everywhere — Running V4.1 Flash 1017 Cheaply, and a Head-to-Head with the Previous Version
DeepSeek V4.1 Flash 1017 is an open-weight model — the model files themselves are public. That is why more than 25 companies sell the same model at very different prices and speeds. Here are the cheapest times and services to use it, plus our own head-to-head against the previous version (browser tasks 206 vs 207, maze 23/23 vs 22/23).
Oct 22, 2026 - Claude Code & Codex: Opening the Future of Agentic Coding with Sub-agents
Beyond the limits of single agents: Introducing the Agentic Workflow where Claude Code and Codex collaborate. A deep dive into sub-agent patterns, context isolation, sequential/parallel execution, and the future of coding.
Feb 15, 2026 - Tired of Typing @ Every Time? Work Like True Teammates with 'Agent Skills'
Comparing Prompt Mentions (@file) and Agent Skills, and how Agent Skills make our developer lives so much easier.
Jan 15, 2026