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@oldmud0
oldmud0 / gh-pages-old.md
Created May 1, 2018 22:16
Old GitHub Pages IP addresses for A records

On May 1, 2018, GitHub changed the suggested IP addresses to put on the A records for domains that use GitHub Pages. The new ones now support HTTPS for custom domains, but the old ones did not. Here are the old ones for historical purposes:

  • 192.30.252.153
  • 192.30.252.154

Here are the new ones:

  • 185.199.108.153
  • 185.199.109.153
  • 185.199.110.153
@zcaceres
zcaceres / Nested-Routers-Express.md
Last active August 14, 2025 13:53
Child Routers in Express

Nested Routers in Express.js

Express makes it easy to nest routes in your routers. But I always had trouble accessing the request object's .params when you had a long URI with multiple parameters and nested routes.

Let's say you're building routes for a website www.music.com. Music is organized into albums with multiple tracks. Users can click to see a track list. Then they can select a single track and see a sub-page about that specific track.

At our application level, we could first have a Router to handle any requests to our albums.

const express = require('express');
@Masd925
Masd925 / #Some FCC one-liner solutions
Last active April 6, 2017 10:46
Some one-liner solutions on FCC exercises. Most are my own doing. Some picked from FCC chat.
Some FCC one-liner solutions
@ryasmi
ryasmi / wrapURLs.js
Last active June 22, 2023 14:47
Wraps all URLs in anchor tags with a `href` and `target` inside some given text.
var wrapURLs = function (text, new_window) {
var url_pattern = /(?:(?:https?|ftp):\/\/)?(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\x{00a1}\-\x{ffff}0-9]+-?)*[a-z\x{00a1}\-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}\-\x{ffff}0-9]+-?)*[a-z\x{00a1}\-\x{ffff}0-9]+)*(?:\.(?:[a-z\x{00a1}\-\x{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?/ig;
var target = (new_window === true || new_window == null) ? '_blank' : '';
return text.replace(url_pattern, function (url) {
var protocol_pattern = /^(?:(?:https?|ftp):\/\/)/i;
var href = protocol_pattern.test(url) ? url : 'http://' + url;
return '<a href="' + href + '" target="' + target + '">' + url + '</a>';
});
};
@soheilhy
soheilhy / nginxproxy.md
Last active July 5, 2025 15:29
How to proxy web apps using nginx?

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