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const crypto = require('crypto');
const urlBase64 = require('urlsafe-base64');

function generateVAPIDKeys() {
  const curve = crypto.createECDH('prime256v1');
  curve.generateKeys();

  return {
    publicKey: urlBase64.encode(curve.getPublicKey()),
    privateKey: urlBase64.encode(curve.getPrivateKey())

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/*
 * Original file:
 * https://github.com/40thieves/webpack-sentry-plugin/blob/master/src/index.js
 */
const request = require('request-promise');
const fs = require('fs');
const crypto = require('crypto');
const {green, yellow, red} = require('colors/safe');
const Queue = require('promise-queue');

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const RWS = require('reconnecting-websocket');

const rws1 = new RWS('wss://echo.websocket.org');
const rws2 = new RWS('wss://echo.websocket.org', undefined);

rws1.onopen = () => console.log('ws1 connected');
rws2.onopen = () => console.log('ws2 connected');

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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

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Run EZ4 Client with wine

To transfer GBA Roms to SD for EZ-Flash IV

1. Open wine config and set your SD drive as D:
2. Install Winetricks
3. Using Winetricks install MFC42
4. You should now be able to run EZ4_client

Problems with names when transfering roms? Check this.

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/**
 * Quick and dirty draft of a reconnecting websocket with connecting timeout
 */

console.debug('script init')


const MAX_RECONNECTION_DELAY = 8000
const MIN_RECONNECTION_DELAY = 1500
const CONNECTING_TIMEOUT = 5000