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Your Link Checker Is Probably Checking Nothing
We planted eight defects in our own CI. Three were caught. One gate was skipping 133,874 of 149,516 links and reporting green. Here is the command that proves it.
· Paul Keen
Debugging RubyLLM Agents in Rails
What a green Rails suite actually asserts when the thing under test is a hosted model: VCR matches on method and URI only, and the model can be retired.
· JetThoughts Team
TDD in Ruby: A Step-by-Step Guide
A working Ruby tutorial for TDD on a small Order class. The 90-second loop, Shameless Green, Tidy First commits, and the reset move that makes it all safe.
47 Startups Failed the Same Way
An Inc.com audit found 91% of failed startups had no tests, 68% had security holes. The 25-month decay timeline that predicts your codebase's fate.
· JetThoughts Team
Vibe Coding Crisis: Why AI Code Breaks
Vibe-coded code looks fine until you try to change it. Five signals that tell you whether your codebase will survive its first year of paying customers.
· JetThoughts TeamRuby LangChain Testing Guide 2025 | RSpec + WebMock
Test langchainrb code with RSpec and WebMock without calling OpenAI: stub the HTTP layer, check token counts, see which errors Faraday raises, and keep the gem from logging your API key.
Testing and Monitoring LLM Applications in Production
How to test code that calls a language model: mock the client, check properties instead of exact strings, run a small eval set on every prompt change, and log tokens and timing for every call.
· JetThoughts Team
10 Developer Best Practices for More Reliable Software
Discover 10 developer best practices to build robust software in 2025 and tackle modern coding challenges!
TDD Workflow Automation for Rails: Guard, Spring, Parallel Tests
Make the TDD loop fast in Rails: Guard re-runs the right Minitest files on save, Spring is optional preloading, parallelize runs tests across cores, and CI runs the full suite.
Rails Testing Best Practices 2025: Complete Guide
Comprehensive guide to Rails testing in 2025, covering RSpec vs Minitest, TDD methodology, system testing, and CI/CD integration with real-world examples.
· JetThoughtsTell us what you need built