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Dev.to

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05:45
2026-07-24
dev.to
ai-infrastructure

Building Production AI Systems (Part 3)

An engineer building production AI systems with OpenRouter shares lessons on handling provider failures, observability, and streaming resilience. The developer emphasizes that users blame the applicat…

05:31
2026-07-24
dev.to
developer-tools

236 Tests Passed. The Release Was Still Broken.

A developer discovered that a timezone bug in the tool claude-code-notify was invisible to local tests because the test expected values were derived from the same host-local timezone as the buggy code…

05:23
2026-07-24
dev.to
developer-tools

How do you estimate a project when AI writes the code?

AI-assisted coding has not eliminated software estimation uncertainty but shifted it, making optimistic estimates faster while pessimistic cases harder to predict. A developer argues that three-point …

05:05
2026-07-24
dev.to
developer-tools

Do Not Invent a 5-Hour Window in a Codex Usage Tracker

A developer at Agent Island warns against hardcoding a 5-hour window label in a Codex usage tracker, as the provider no longer exposes that period. The primary tile should display the weekly window an…

05:01
2026-07-24
dev.to
artificial-intelligence

10 Python Libraries Every AI Builder Should Know

A developer shares 10 Python libraries essential for building AI applications in 2026, including FastAPI, LangChain, Pydantic, OpenAI SDK, ChromaDB, Pandas, NumPy, SQLAlchemy, Requests, and Rich. The …

04:29
2026-07-24
dev.to
ai-agents

Fixing One Automation Problem Just Created Ten New Bugs

A developer argues that replacing human developers with AI web agents creates more problems than it solves, citing that minor UI changes can break AI workflows and lead to increased debugging and secu…

04:22
2026-07-24
dev.to
ai-agents

Testing AI agents is hard. I built a framework for it.

A developer built AgentSpec, an open-source testing framework for AI agents that handles non-deterministic output. The framework allows defining tests in YAML with assertions like semantic similarity,…

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