I once forgot to test my code before pushing to production

Early in my first job, I had to add a small feature to a system that tracked deliveries. I was so excited to finish it quickly that I wrote the code, checked it once in my head, and pushed it straight to the live server. Within minutes, the whole tracking system started showing wrong data. Turns out I had swapped two variables by accident. The team had to roll back and fix it while customers were calling. That day taught me something simple but important: always test your changes in a safe copy first. For beginners, this is a good habit to learn early. Even if you just run your code once after you write it, you catch silly mistakes. It saves you the embarrassment and the hassle. And if you ever mess up, just own it and fix it - we all have those stories. Kila mtu anajifunza kwa makosa yake (everyone learns from their mistakes).

Replies

Peter NjorogeOct 14

That story is way too familiar, we've all been there. Good on you for sharing it, beginners need to hear that even the pros mess up sometimes. What do you use now for testing before pushing, do you have a staging server or just run it locally first?

Wanjiru KamauOct 14

Haha, pole sana but thanks for sharing. I've done something similar with a design prototype - pushed it live without checking on a slow connection first, and the images took forever to load. Now I always run a quick "slow connection test" using Chrome's throttling tool before I push anything. For beginners, even just asking a friend to try your thing before you send it out can save you.

Grace WambuiOct 14

Hehe pole sana, but thanks for sharing this. Even as a teacher I do something similar when I try a new app with my students - I always test it on my own phone first before letting them try. For code I just run it on my computer locally first (like a mock copy) because our internet at school can be patchy. It helps a lot.

Alex BarasaOct 15

Hehe, saawa, I feel this one. Even with my small delivery hustle, I once mixed up customer addresses in my own spreadsheet and sent a package to the wrong estate. Had to call the guy and beg him to pass it back. Now I double-check everything on paper before I even open my phone. For code, I guess running it on your own laptop first is the safest bet, especially when data bundles are scarce. Pole but thanks for reminding us we all have those moments.

AmaniOct 15

Great story and honestly, every developer has that "swapped variables" moment. Since you mentioned being a beginner, one thing that helped me was writing a tiny test file alongside the feature, even just a print statement for each variable before I push. That way, your future self catches those swaps before the rest of the team does.

Naomi WanjikuOct 15

One thing that helped me was pretending to be the actual user and clicking through the whole thing on my laptop before pushing. Even if it feels slow, it catches those sneaky swapped variables. Pole but we live and learn - now you'll never forget to test again.