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| #!/bin/bash | |
| MESSAGE="Message" | |
| SLACK_CHANNEL="#slack-channel" | |
| SLACK_TOKEN=xoxb-1234-000000000000 | |
| curl -X POST \ | |
| -H "Authorization: Bearer $SLACK_TOKEN" \ | |
| -H "Content-type: application/json; charset=utf-8" \ | |
| --data '{"channel":"'$SLACK_CHANNEL'","text":"'"$MESSAGE"'"}' \ |
julia-mareike
/ credit-card-generator.js
Last active
April 2, 2025 19:06
Generate & validate credit cards based on BIN number
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| // quickly hacked together from this article, thanks friend | |
| // https://medium.com/cyberdoggo/luhn-algorithm-in-javascript-python-clojure-part-1-c4ea3079d0f7 | |
| const isEven = number => number % 2 === 0 | |
| const calculateEven = even => (even * 2 < 10) ? even * 2 : even * 2 - 9 | |
| const generateCheckSum = card => { | |
| const checksum = card.split('') | |
| .map((number, index) => (isEven(index)) ? calculateEven(number) : parseInt(number, 10)) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Page title (goes in the tab on the browser)</title> | |
| </head> | |
| <body> | |
| </body> |