「DEV Community」 — 2026年7月29日の記事一覧

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• 11. I asked six Chinese AI engines to recommend CRM software. HubSpot never appeared.
• 12. The Tech Behind Sleep Tracking, Explained
• 13. My eval said a perfect MCP server was broken. It was the eval that was lying.
• 14. Traceroute devlog #1
• 15. I Built a Security Tool That Proves Its Own Exploits — Then Got a Better Threat Model in the Comments
• 16. Your RAG Index Might Be Lying to You: Data Freshness Is the Missing Signal for AI Systems
• 17. Docker returns to its coding-agent series with an argument shaped like a CI problem: no layer between the agent and the host
• 18. What Replacing Calendly Taught Me About Trusting Open Source
• 19. Locked out of wp-admin? Why WP-CLI works when `wp-login.php` doesn’t
• 20. Prompt injection has two types. You're probably only filtering one.