User with this age already existsGollum@feddit.de to Programmer Humor@programming.dev – 417 points – 1 years ago18Post a CommentPreviewHotTopNewOldhttps://xkcd.com/1700/ When you pick the wrong column for your primary key.Incredibly exclusive userbase, less than 100 users ever at any one time.If I encountered a system that badly designed, I would check to see if it takes non-integer ages and maybe get in that way.Failing that, there's also unreasonably large numbers and negative numbers.I'm 65535 years old, and you can't prove otherwise!Only neanderthal kids will remember.Why stop there? How about a lil' white hat hacking with SQL injection :)bob'; DROP TABLE users;What happens when a user grows a year older?Every other user will also have grown a year older, so it will be fine.Not at the same time!We will have to synchronize everyone's birthday, yes. Luckily, 40% of our users were born on January 1, anyway.thatsthejoke.gif I think, anyway.A newborn user can register?Enter NaN. Or else your age is just a number.17.1...and don't forget the matches...
Incredibly exclusive userbase, less than 100 users ever at any one time.If I encountered a system that badly designed, I would check to see if it takes non-integer ages and maybe get in that way.Failing that, there's also unreasonably large numbers and negative numbers.I'm 65535 years old, and you can't prove otherwise!Only neanderthal kids will remember.Why stop there? How about a lil' white hat hacking with SQL injection :)bob'; DROP TABLE users;
If I encountered a system that badly designed, I would check to see if it takes non-integer ages and maybe get in that way.Failing that, there's also unreasonably large numbers and negative numbers.I'm 65535 years old, and you can't prove otherwise!Only neanderthal kids will remember.Why stop there? How about a lil' white hat hacking with SQL injection :)bob'; DROP TABLE users;
Failing that, there's also unreasonably large numbers and negative numbers.I'm 65535 years old, and you can't prove otherwise!Only neanderthal kids will remember.
What happens when a user grows a year older?Every other user will also have grown a year older, so it will be fine.Not at the same time!We will have to synchronize everyone's birthday, yes. Luckily, 40% of our users were born on January 1, anyway.thatsthejoke.gif I think, anyway.A newborn user can register?
Every other user will also have grown a year older, so it will be fine.Not at the same time!We will have to synchronize everyone's birthday, yes. Luckily, 40% of our users were born on January 1, anyway.thatsthejoke.gif I think, anyway.
Not at the same time!We will have to synchronize everyone's birthday, yes. Luckily, 40% of our users were born on January 1, anyway.thatsthejoke.gif I think, anyway.
We will have to synchronize everyone's birthday, yes. Luckily, 40% of our users were born on January 1, anyway.
https://xkcd.com/1700/
When you pick the wrong column for your primary key.
Incredibly exclusive userbase, less than 100 users ever at any one time.
If I encountered a system that badly designed, I would check to see if it takes non-integer ages and maybe get in that way.
Failing that, there's also unreasonably large numbers and negative numbers.
I'm 65535 years old, and you can't prove otherwise!
Only neanderthal kids will remember.
Why stop there? How about a lil' white hat hacking with SQL injection :)
bob'; DROP TABLE users;
What happens when a user grows a year older?
Every other user will also have grown a year older, so it will be fine.
Not at the same time!
We will have to synchronize everyone's birthday, yes.
Luckily, 40% of our users were born on January 1, anyway.
thatsthejoke.gif
I think, anyway.
A newborn user can register?
Enter NaN. Or else your age is just a number.
17.1
...and don't forget the matches...