Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Scoundreller
4 months ago
|
parent
|
context
|
favorite
| on:
Airlines are running out of 4-digit flight numbers
No checksum???
dayjaby
4 months ago
[–]
The emoji is the checksum
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
