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@Paradoxis
Paradoxis / http-to-ws.js
Last active December 31, 2024 15:07
Convert WS/HTTP links with JavaScript
/**
* Converts an HTTP(S) url to a WS(S) URL
* Example:
* httpUrlToWebSockeUrl("http://www.example.com/") -> ws://www.example.com/
* httpUrlToWebSockeUrl("https://www.example.com/") -> wss://www.example.com/
*
* @param {string} url
* @return {string}
*/
function httpUrlToWebSockeUrl(url)
@alces
alces / ansible_local_playbooks.md
Last active June 3, 2025 22:54
How to run an Ansible playbook locally
  • using Ansible command line:
ansible-playbook --connection=local 127.0.0.1 playbook.yml
  • using inventory:
127.0.0.1 ansible_connection=local
@a-c-t-i-n-i-u-m
a-c-t-i-n-i-u-m / freenom.com.ddns.sh
Created July 7, 2015 12:07
Dynamic DNS support shell script for freenom.com
#!/bin/bash
# settings
# Login information of freenom.com
freenom_email="main@address"
freenom_passwd="pswd"
# Open DNS management page in your browser.
# URL vs settings:
# https://my.freenom.com/clientarea.php?managedns={freenom_domain_name}&domainid={freenom_domain_id}
freenom_domain_name="domain.name"
@glen-cheney
glen-cheney / encoding-video.md
Last active November 24, 2024 10:09
Encoding video for the web

Encoding Video

Installing

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-opus
@Daniel-Hug
Daniel-Hug / arr-stat.js
Last active April 29, 2025 22:13
JavaScript statistical functions for arrays: max, min, range, midrange, sum, mean / average, median, modes, variance, standard deviation, mean absolute deviation, z scores
var arr = {
max: function(array) {
return Math.max.apply(null, array);
},
min: function(array) {
return Math.min.apply(null, array);
},
range: function(array) {