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Andrew (he/him)
Andrew (he/him)

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What's your most embarrassing coding story?

Photo by Anna Shvets from Pexels

When you're new to something (like programming), you tend to look to those with more experience for guidance and inspiration. But it's easy to let that lead you to believe that everyone is better than you at that new thing you're trying to learn.

But coding (like everything else in life) takes practice! Even today's best programmers surely made some cringeworthy mistakes when they were first getting started.

So I'd like to take a minute to put some newbies' minds at ease and let them know that even experienced programmers made dumb mistakes when they started. (I can't speak for everyone, but some of us continue to make dumb mistakes on a semi-regular basis.)

My most embarrassing story probably comes from high school, when I was trying to "upgrade" our shared family computer's graphics capabilities. I installed a new video driver and some other software and thought I had everything set up and good to go. When I restarted the computer, nothing would display on the screen. It turns out that I'd basically just disabled the video card. We took it to a computer repair shop, but there was nothing they could do -- they just had to wipe the hard drive and start over.

The worst part is that my brother had done his summer book reports (maybe 100 pages of notes) and only had them saved on that computer. So with maybe a month before school started, he had to redo everything! To add insult to injury, I then tried (again) to upgrade the graphics (again) and the uninstalled the video drivers (again) and my brother lost his notes (again). I'm amazed he didn't throw me out a window after the second time.

How about you? What's your most embarrassing coding story? Or the worst piece of code you've ever written? Ever broken anything in production? Let's hear it!

Top comments (42)

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miketalbot profile image
Mike Talbot ⭐ • Edited

So probably for me the time I tried an update at 4am, got the wrong branch merged and sent 100 text messages to every user of an app. The app was from a bank. So yeah, I woke 30,000 people up at 4am by having their bank ring them. This incident did make it to Twitter. Ugh. Didn't lose the client BTW and the app continued to be successful. Lucky.

  • Merging PRs should be reviewed by ANYONE. I now keep rabbits, a rabbit would do.
  • Checklist for "very late at night" deploys including being asked questions by someone, somewhere in the world
  • I don't know - learn to live with the shame I guess lol
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endymion1818 profile image
Ben Read

“A rabbit would do” 🤣🤣🤣

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bytebodger profile image
Adam Nathaniel Davis

This is a big reason why I always advocate for updates/deployments during normal business hours. I know, I know - a lotta businesses would still balk at such a request. But I'm now a firm believer that, if you've done proper QA/testing/best-practices, you should be able to deploy at almost any time.

I'm not naive. I realize that, even in the best of scenarios, you can still bork a deployment. But even in those cases, would you rather have an emergency when all of the potential support personnel are at work and immediately available to help? Or would you like to be trying to call around the support tree at 4AM trying to find someone who will pick up??

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miketalbot profile image
Mike Talbot ⭐

As long as you can do zero downtime I agree! That's often the driver for out of office hours. With this client they mandated an update window between 1am and 6am if there was downtime...

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bytebodger profile image
Adam Nathaniel Davis

Ahh... yes. I agree. If your update/change/deployment requires downtime, then yeah, there's no way to get that kind of authorization during normal business hours.

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awwsmm profile image
Andrew (he/him)

💀

Do you remember what you were updating at 4am? I can't even imagine waking up to 100 text messages from my bank. I would immediately assume all of my money was gone.

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miketalbot profile image
Mike Talbot ⭐

Well yeah, ummm, I was updating the thing that stopped notification messages going out in quiet hours - at the time there was a problem with 3rd party services that if they would send in a window, but would retry out of hours. We'd written our own. I had been testing it with something that just sent lots of messages to known app installs to prove they didn't make it. I got my wires crossed on the release test, just stupid, and left in the "send test messages" code. I'm a bloody idiot.

Fortunately it was the marketing/voucher app for the bank, so while a bunch of people were very unhappy, and a bunch turned off notifications - it didn't actually suffer as much as I thought it would at around 5am, with a glass of whisky and a lot of cigarettes...

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srleyva profile image
Stephen Leyva (He/Him)

The irony of the fact that the feature was for not sending after hour texts makes me laugh 😂😂😂

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jwp profile image
John Peters

My 2nd job, was working on a mid-range computer at the OS layer. They wanted me to add the ability to save files that had 3 character extensions like .txt, etc. I got it to work, tested it and sent it to distribution folks. 1 week later I found out that I regressed ability to save files without extensions. They had to pull back distribution to 115 countries. Ouch...

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awwsmm profile image
Andrew (he/him) • Edited

It really was the wild west before test automation...

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jwp profile image
John Peters • Edited

I later became a test advocate, read testing books like crazy. At one point managed a team of 35 QA. People in 3 countries.

Best QA book was Software Testing Techniques. Boris Bezier It's still a good read but a bit dated.

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ben profile image
Ben Halpern

I remember a moment of personal embarrassment that wasn't a huge deal, but early on with DEV, before we had much in the way of PR review or CI I was coding on the site by myself and I recall hearing the Mac "trashcan" sound in my headphones but wasn't sure what it was. I shrugged it off and moved on.

Later, after I'd deployed some code, I noticed that the logo was entirely missing. I'd accidentally put it in the trash somehow and deployed it with git add . without noticing.

It just felt embarrassing because I heard the trash can, and just didn't think much of it. Of course, things are much more careful these days, not that we don't push weird things up.

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awwsmm profile image
Andrew (he/him)

Surely someone has created the DEV logo in one div with just CSS by now. You could get rid of it entirely and save entire milliseconds of page load time! Younger Ben was just too radical for his own good.

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vinibrsl profile image
Vinicius Brasil • Edited

It was 2015. My first job as a developer. I truncated a production table with no backup thinking I was on my local environment. But lucky for me, the table was small and I could retrieve all the data back by calling 20 customers. Bad day.

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awwsmm profile image
Andrew (he/him)

no backup

*shudder*

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patricnox profile image
PatricNox

Back in the day, I were the sole active administrator for a private server in world of warcraft. Every wednesday morning, 6:30 am, I was obliged to update the game server with the weeks newest patches and fixes.

One wednesday morning, a morning like the rest of them, I woke up at 6 as usual and had my coffee while I prepared the deployment. The clock ticks and around 6:28 it was time to execute my prepared script on the server which would do everything in "screens" whilst I just supervise it.

Everything went well, green all the way, and off to university I go.

At the lunchbreak, I opened the community forums on my forums in mission to moderate its content while also replying to ingame tickets. I found to my surprise 2 separate forum threads and one ticket implying that "the thing that should be fixed is not fixed, therefore we as 25man guild cannot do this". At once I started looking into it whilst my staff went for damage control.

Only to find out, that the deployment I had done earlier in the morning, was the script for the stage server. Oh what an facepalm, oh so disappointed community members.

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Ronaldo Peres

i was working with other programmers, and i had a task to implement a new webpage.
It was a big legacy web system made with webforms.
So I based the new implementation in another page already created and deployed. AND for some reason i commented out this entire page...

So when i deployed my new page to prod, I also disabled one of the pages that customers are used to access....

Well, after some boss yelling I fixed it...

And after 1 month i got fired :(

But for good, because of that i am on a very big computer enterprise!!

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swarupkm profile image
Swarup Kumar Mahapatra

I was a fresher. I joined a team, which had build an event driven system. There was an event store ..
Unluckily, all senior devs left the team when i joined.. And event store disk space was increasing at rapid speed and business was behind me to keep the product running.
The ops guys were not willing to give more disk space.

I just deleted the events, and converted the architecture to plain CRUD.

It was bliss at that time. But now that I am experienced I realized, i could have done much better than dropping events table

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awwsmm profile image
Andrew (he/him)

all senior devs left the team when I joined

That sounds super stressful. Just dropping everything in your lap, then leaving. It must have been rough :(

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swarupkm profile image
Swarup Kumar Mahapatra • Edited

An acquisition happened. The Big company Ora--e to blame. All senio devs left
Managed 4 microservices.

Later left the company due to poor management and then joined a startup. Now i know DDD and event sourcing quite a bit :).

I must say, i was so naive as a fresh out of college guy. Simply deleted event store 😑. I thought how dumb it is to have it in the first place.

Currently i am working in a company where the architect of that design is CTO and when i told my story to him, his reaction was "Did you really just deleted my event store without knowing why it is used 🤦‍♂️"

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awwsmm profile image
Andrew (he/him)

I only recently started working with microservices and I think event sourcing is really cool. I could see how it would seem kind of weird and useless to a beginner, though.

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deven96 profile image
Diretnan Domnan

I initially pushed the initially empty sql database of a recruitment test app for the company to git and then pulled on the server. When the database had received thousands of entries, I made a local change and then force pushed to git and then pulled the empty db on the server. I spent hours panicking and frantically searching on how to undo a force push as recruitment department began messaging me that they couldnt find any entry... luckily for me I had stashed before pulling, even though I didn't know what stash meant and I just did it because of the warning (thank you git deities). That day I immediately learnt not to ever push your db, even if empty... also how to connect postgres and set up automatic back ups

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awwsmm profile image
Andrew (he/him)

On GitHub, I think there's an option to forbid force pushing to master. I'm sure it's saved a lot of people 😅

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kolinken1990 profile image
kolinken1990 • Edited

Copying so many peoples code and not understanding what I built....or how to use it. Then having to scrap it and start from scratch.

On the bright side I have learned alot about what not to do when starting to code haha

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awwsmm profile image
Andrew (he/him)

I remember doing this really early on, too. One thing I remember having trouble with when I was brand new was returning values from functions. Scoping rules and the fact that you could only return a single object seemed unintuitive and overly restrictive. Not sure when it finally clicked, but now I have new and exciting things to be confused about haha

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Michiel Hendriks

Is it weird to say that I think I do not have an embarrassing story? I have made many mistakes, big and small, and still do. But I don't think any of them are embarrassing. Sure there were mistakes which, in hindsight, were stupid. But I never set out like "hold my beer, and watch this".

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awwsmm profile image
Andrew (he/him)

I think most people tend to make their biggest mistakes a few years into their career, where they have enough knowledge to break things but not enough wisdom to know how to avoid breaking things. If you've gotten past that hump, I'd say you're probably safe! (Hopefully!)