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@Daniel-Hug
Daniel-Hug / arr-stat.js
Last active December 11, 2023 14:46
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) {
@Vestride
Vestride / encoding-video.md
Last active June 5, 2024 14:38
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
@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"
@alces
alces / ansible_local_playbooks.md
Last active July 6, 2024 09:49
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
@Paradoxis
Paradoxis / http-to-ws.js
Last active May 13, 2024 16:37
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)
@ipbastola
ipbastola / jq to filter by value.md
Last active June 21, 2024 14:29
JQ to filter JSON by value

JQ to filter JSON by value

Syntax: cat <filename> | jq -c '.[] | select( .<key> | contains("<value>"))'

Example: To get json record having _id equal 611

cat my.json | jq -c '.[] | select( ._id | contains(611))'

Remember: if JSON value has no double quotes (eg. for numeric) to do not supply in filter i.e. in contains(611)

@aka-mj
aka-mj / unixsock_ex.go
Created February 9, 2017 19:32
Unix Socket Example in Go
package main
import (
"fmt"
"net"
"os"
"time"
)
func listen(end chan<- bool) {
@chusiang
chusiang / teams-chat-post-for-workflows.sh
Last active July 22, 2024 03:50
Post a message to Microsoft Teams with bash script.
#!/bin/bash
# =============================================================================
# Author: Chu-Siang Lai / chusiang (at) drx.tw
# Filename: teams-chat-post-for-workflows.sh
# Modified: 2024-07-22 11:44 (UTC+08:00)
# Description: Post a message to Microsoft Teams via "Post to a chat when a webhook request is received" workflows.
# Reference:
#
# - https://gist.github.com/chusiang/895f6406fbf9285c58ad0a3ace13d025
# - https://devblogs.microsoft.com/microsoft365dev/retirement-of-office-365-connectors-within-microsoft-teams/
@samthor
samthor / autocert-server.go
Last active April 15, 2024 15:47
Demo autocert server in Go
package main
import (
"crypto/tls"
"flag"
"fmt"
"log"
"net/http"
"os"
"os/user"
@sconstantinides
sconstantinides / styles.css
Created April 27, 2018 23:06
PWA media queries
/* Replace "standalone" with "fullscreen" depending on your manifest.json display mode */
@media (display-mode: standalone) {
/* All installed PWAs */
}
@media (max-width: 576px) and (display-mode: standalone) {
/* Installed PWAs on mobile devices */
@supports (-webkit-overflow-scrolling: touch) {