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<span class="bloag_date_m" style=" writing-mode: vertical-lr; position: absolute; transform: translateY(-50%) rotate(180deg); top: 50%; right: 0; margin-top: -7px; ">2016

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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IdentityModel.Tokens;
using System.Linq;
using System.Net.Http;
using System.Security.Cryptography.X509Certificates;
using System.Text;

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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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/**
 * Converts an RGB color value to HSL. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
 * Assumes r, g, and b are contained in the set [0, 255] and
 * returns h, s, and l in the set [0, 1].
 *
 * @param   Number  r       The red color value
 * @param   Number  g       The green color value
 * @param   Number  b       The blue color value
 * @return  Array           The HSL representation

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ffmpeg -i input.mov -vcodec libwebp -lossless 1 -q:60 -preset default -loop 0 -an -vsync 0 output.webp

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Cryptographic Best Practices

Putting cryptographic primitives together is a lot like putting a jigsaw puzzle together, where all the pieces are cut exactly the same way, but there is only one correct solution. Thankfully, there are some projects out there that are working hard to make sure developers are getting it right.

The following advice comes from years of research from leading security researchers, developers, and cryptographers. This Gist was [forked from Thomas Ptacek's Gist][1] to be more readable. Additions have been added from

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using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.OpenSsl;
using Org.BouncyCastle.Security;
using System;
using System.IO;
using System.Security.Cryptography;

namespace MyProject.Data.Encryption
{

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using System;
using System.Net;
using System.Net.Security;
using System.Net.Sockets;
using System.Text;
using System.Security.Cryptography.X509Certificates;

using CERTENROLLLib;

public class Program

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# RSA
ssl_certificate		/path/fullchain.pem;
ssl_certificate_key	/path/privkey.pem;

# ECDSA
ssl_certificate		/path/0001_chain.pem;
ssl_certificate_key	/path/itchy.nl.ec.key;

ssl_dhparam		/path/dhparam4096.pem;

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REM see https://github.com/coreybutler/nvm-windows/issues/300

@echo off
SETLOCAL EnableDelayedExpansion


if [%1] == [] (
	echo Pass in the version you would like to install, or "latest" to install the latest npm version.
) else (
	set wanted_version=%1