I copied code from Stack Overflow yesterday. I'll probably do it again tomorrow.
After 10 years of professional development and 20+ shipped apps, I still copy code from the internet. And I'm not embarrassed about it. But I used to be.
When I was starting out, I had this idea that "real developers" write everything from scratch. That if you needed to look something up, you were somehow cheating. I remember minimizing my browser window when a colleague walked by because I had three Stack Overflow tabs open. Like I was hiding something.
That was stupid.
The actual problem isn't copying
The problem is copying without thinking. There's a massive difference between these two developers:
Developer A finds a solution on Stack Overflow, pastes it in, sees that the tests pass, commits it, and moves on.
Developer B finds the same solution, reads through it line by line, looks up the one function they don't recognize, adjusts the variable names to match the project's conventions, and then commits it.
Both of them "copied code from Stack Overflow." But Developer B actually learned something. Developer A just postponed their confusion to a later date — usually at the worst possible moment, like during a production outage at 11 PM.
What nobody tells you about senior developers
Senior developers copy code too. They just do it differently.
They know which parts to trust and which parts to question. They recognize when a Stack Overflow answer is from 2014 and uses a deprecated API. They can tell when someone's answer is technically correct but architecturally terrible for their specific use case.
That judgment didn't come from avoiding Stack Overflow. It came from using it thousands of times and slowly developing a sense for what's good and what's not.
The habit that actually fixed this for me
I started doing something embarrassingly simple. Before pasting any code, I'd read it out loud and try to explain what each line does. Not to anyone. Just to myself, in my head.
And whenever I hit a line I couldn't explain, I'd stop and look it up. Not the whole answer — just that one line. That one function. That one parameter I didn't understand.
It added maybe 5 minutes per copy-paste. But after a few months of doing this, I noticed something: I was copying less. Not because I'd sworn some oath against it. I was just recognizing patterns I'd already learned by actually reading the code I'd previously pasted.
The real shame is pretending you don't do it
Every developer I respect uses references. Documentation, blog posts, other people's code, GitHub repos, official guides. The idea that professional means writing everything from memory is a fantasy. Nobody works that way.
What matters is that you're building understanding as you go. Not that you already have it.
If you're a junior developer and you feel guilty every time you open Stack Overflow — stop. You're doing fine. Just read the code before you paste it.
That's the whole skill.
I've been documenting patterns like this for years — mistakes I've seen in my own career and in the junior developers I've mentored. I put 100 of them into a free guide: devkoan.gumroad.com
More essays like this on devkoan.substack.com — one tool, one lesson, one step forward every week.
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