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The One-Letter Rails Bug That Slipped Past Rubocop, CI, and Code Reviews

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We often think production bugs happen because of big oversights or complex logic failures. But sometimes, it’s the smallest things—a single typo—that sneak past every safeguard and cause trouble in live environments. Recently, I had one such experience in a Rails project. It wasn’t a major crash, but it did break a piece of business logic under specific conditions. More importantly, it taught me valuable lessons about code reviews, rubocop, and testing discipline—lessons I’d like to share here. The Safeguards We Already Had Like most teams, we don’t push code directly to production. Instead, we follow a layered safety net: ✅ Pre-commit checks to catch obvious mistakes ✅ RSpec test cases to validate logic ✅ CI pipelines to enforce standards and run checks ✅ Code reviews to ensure human oversight ✅ QA testing before deployment You’d think with all this in place, no typo could possibly slip through. So how did it happen? Where Things Went Wrong: Rubocop and a “Helpfu...
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 Welcome You All...

What is tech-savvy?

                                    Tech-Savvy means well informed about or proficient in the use of modern technology, especially computers. When it comes under the computer it does not mean only hardware and it also means software like OS, antivirus & programming languages, etc.

Why tech-savvy?

                           In the present world, we are all working with modern technology and computers in day-to-day life. So everyone wants to know about the basics of computers and other technologies. That helps us to understand the basic things and solve basic problems on our own.


How to become tech-savvy?

                                        Technology is the fastest-growing field right now and there's no sign of stopping anytime soon. Being tech-savvy is not an impossible task, but it requires time and energy to master the basics. No matter what your reason is for wanting to become tech-savvy (not "a geek" per se), a self-assessment is always a good way to start.

                
                            Upcoming Posts helps you become tech-savvy and know about small computer & android tricks and tips and many more about modern technology. Keep following my post and share this with your friends & Thanks for your support

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