User with this age already exists
User with this age already exists
![](https://programming.dev/pictrs/image/e90b2a88-b512-4c8e-bf6d-acfaccee20a8.png?format=webp&thumbnail=128)
![](https://programming.dev/pictrs/image/e90b2a88-b512-4c8e-bf6d-acfaccee20a8.png?format=webp)
2 crossposts
19 comments
66 0 ReplyWell I just got a great idea for next time I need to change a password.
15 0 Reply
When you pick the wrong column for your primary key.
26 0 ReplyIncredibly exclusive userbase, less than 100 users ever at any one time.
15 0 ReplyIf I encountered a system that badly designed, I would check to see if it takes non-integer ages and maybe get in that way.
12 1 ReplyFailing that, there's also unreasonably large numbers and negative numbers.
7 0 ReplyWhy stop there? How about a lil' white hat hacking with SQL injection :)
4 0 Reply
What happens when a user grows a year older?
7 0 ReplyEvery other user will also have grown a year older, so it will be fine.
15 0 ReplyNot at the same time!
3 0 Reply
A newborn user can register?
3 0 Reply
Enter NaN. Or else your age is just a number.
5 0 Reply17.1
3 0 Reply...and don't forget the matches...
2 0 Reply
19 comments
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