Chau Giang bugb

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

How to install OpenCV 3.4.1 with CUDA on Ubuntu distro

First of all install update and upgrade your system:

    $ sudo apt-get update
    $ sudo apt-get upgrade

Then, install required libraries:

FWIW: I didn't produce the content presented here (the outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

Keybase proof

I hereby claim:

I am bugb on github.
I am chaugiang (https://keybase.io/chaugiang) on keybase.
I have a public key whose fingerprint is DEEE EB30 ED4F A999 4F96 8629 87C1 9AC3 E474 340F

To claim this, I am signing this object:

Mongo DB works with raw TCP instead of HTTP so we need create stream with Nginx.

Add the below code above http block in nginx config file (eg: /etc/nginx/nginx.conf for Ubuntu)

stream {
    server {
        listen  9999;
        proxy_connect_timeout 1s;
 proxy_timeout 3s;

HLS streaming from node

Provided that you already have a file or stream segmenter generating your .m3u8 playlist and .ts segment files (such as the ffmpeg 'hls' muxer), this little node server will serve up those files to an HLS compatible client (e.g. Safari). If you're using node for your streaming app already, this obviates the need to serve the HLS stream from a separate web server.

loosely based on https://gist.github.com/bnerd/2011232

// loosely based on https://gist.github.com/bnerd/2011232
// requires node.js >= v0.10.0
// assumes that HLS segmenter filename base is 'out'
// and that the HLS playlist and .ts files are in the current directory

Keybase proof

I hereby claim:

I am bugb on github.
I am chaugiang (https://keybase.io/chaugiang) on keybase.
I have a public key ASCVt4o9PSa_aaPUFv4ke4ZfOTKGaXp6HhrZ7qJHOeg02wo

To claim this, I am signing this object:

	#!/bin/sh

	set -eu

	sudo fallocate -l 2G /swapfile

	ls -lh /swapfile

	sudo chmod 600 /swapfile

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	Intro to Statistics (Free Course) https://www.udacity.com/course/intro-to-statistics--st101
	Deep Learning (Free Course) https://www.udacity.com/course/deep-learning--ud730

	var http = require('http')
	var fs = require('fs')
	var argv = require('optimist').argv

	var rxVideoID = /v=([\]\[!"#$%'()+,.\/:;<=>?@\^_`{\|}~-\w])/
	var link = argv._.toString()
	var videoID = link.match(rxVideoID)[1]

	http.get("http://www.youtube.com/get_video_info?video_id="+videoID, function(res) {
	var chunks = []