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function letterFromNumber = function( number ) {
var letter = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.charAt(number % 26)
var concat = Math.round(number / 26);
return concat > 0 ? letterFromNumber(concat-1) + letter : letter;
};
@emilysnothere
emilysnothere / add_action.php
Last active January 31, 2023 07:39
Adding fields to the WordPress post submit box
add_action('post_submitbox_misc_actions', createCustomField);
add_action('save_post', saveCustomField);
@indiesquidge
indiesquidge / promise-dot-all.js
Last active January 20, 2024 15:03
Recreating Promise.all with async/await
/*
Let us re-create `Promise.all`
`Promise.all` method returns a promise that resolves when all of the promises in the iterable argument have resolved,
or rejects with the reason of the first passed promise that rejects.
Read more about `Promise.all` on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all
A basic example would be something like this:
@barbietunnie
barbietunnie / udemy-courses-download-using-cookies.md
Last active June 12, 2025 07:04
Downloading Udemy videos with youtube-dl

How to download your Udemy course videos using youtube-dl

$ youtube-dl --list-extractors | grep udemy

Steps

  1. Get link to the course to download. e.g. https://www.udemy.com/course-name/
  2. Login into udemy website, save the cookie from chrome using Chrome (Cookie.txt)[1] export extension. Save it to file udemy-cookies.txt
  3. Get the link of the video that you want to download. usually in format. Use the command provided below where you have to replace the {course_link} and {path_to_cookies_file} with respective paths.
$ youtube-dl {course_link} --cookies {path_to_cookies_file}
➜ ~ cat /dev/urandom | xxd -c 100 | awk '{print toupper($0)}' | sed 's/[^A-Z9]//g' | head -c 81
DCFDBBACECDAEAFCACDFBCAFCFE9BFBC9ACEDBD9FCCFFEBCFCBCDEEEFFBF9AAEFDCE9DC9FEDCAEECF%
@shivamkr19
shivamkr19 / download-egghead-io-videos.md
Last active February 4, 2022 09:48
Download free egghead.io videos

Download free egghead.io videos

Download Egghead.io videos using Lynx Browser and youtube-dl. This method will only work for videos that do not require a pro account.

Prerequesits

You need a Unix/Linux box with Lynx console browser and Youtube-dl installed.

@deviantony
deviantony / README.md
Created March 8, 2018 01:24
Portainer admin password in a docker-compose environment

Portainer compose deployment with admin password preset

This file aims to explain how to deploy Portainer inside a compose file with the admin password already set.

Generate the admin password

For this example, we'll use the password superpassword.

Use the following command to generate a hash for the password:

version: '3.1'
services:
reverse-proxy:
image: traefik # The official Traefik docker image
command: --api --docker # Enables the web UI and tells Traefik to listen to docker
ports:
- "80:80" # The HTTP port
- "8080:8080" # The Web UI (enabled by --api)
volumes:
- /var/run/docker.sock:/var/run/docker.sock # So that Traefik can listen to the Docker events
@webdeb
webdeb / Hasura Keycloak.md
Last active October 29, 2022 19:03
Basic Keycloak Script Mapper to provide Hasura claims

Steps to provide Hasura Claims in Keycloak generated JWT

  1. Create your realm / client
  2. Inside client configuration go to "Mappers"
  3. Click on "Create"
  4. Name it "hasura"
  5. Choose Mapper Type "Script Mapper"
  6. Add following script to demonstrate how it works
@Axel-Erfurt
Axel-Erfurt / celluloidTV.m3u
Last active July 13, 2025 15:39
Livestreams deutscher TV-Sender
#EXTM3U
#EXTINF:-1,ARD
https://daserste-live.ard-mcdn.de/daserste/live/hls/de/master.m3u8
#EXTINF:-1,ARD ONE
https://mcdn-one.ard.de/ardone/hls/master.m3u8
#EXTINF:-1,ARD Alpha
https://mcdn.br.de/br/fs/ard_alpha/hls/de/master.m3u8
#EXTINF:-1,ARD Tagesschau
https://tagesschau.akamaized.net/hls/live/2020115/tagesschau/tagesschau_1/master.m3u8
#EXTINF:-1,ZDF