「DEV Community」 — 2026年7月20日の記事一覧

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• 1. Understanding Callback Functions in JavaScript
• 2. How We Built an AI Document Fraud Detection Platform That Explains Every Decision
• 3. Job Hunting Is a Job Nobody Pays You For
• 4. Contact Form 7 Submitted Successfully, But Systeme CRM Never Received the Lead: A Practical API Debugging Guide
• 5. Your AI agent isn't hallucinating- it's reading garbage context
• 6. How I automated digital product delivery using Payhip,Make,Telegram and Notion
• 7. My MCP Server Has 8 Tools and Zero Log Lines. Diagnosing a Failure Meant Guessing From the Outside.
• 8. ReflectionCLI 2.0: a local-first thinking CLI for AI-assisted development
• 9. Perplexity's Agent Skills Need an Undo Path Before They Need More Skills
• 10. A Non-Developer Agent Output Needs a Verification UI, Not Just a Download Button