Edi Wang

Azure Developer, Microsoft MVP

Featured Posts


Setup Cat Live Streaming on Microsoft Azure

Cats are very helpful for programming. But when we are not at home, how can we remotely watch the cat and let our friends watch it together? With Azure, this problem will be solved! Live broadcast equipment and software USB Camera In terms of hardware, we only need an ordinary USB camera. It is recommended to use a camera with auto focus and resolution above 1080p. The image sensor of the camera …

Azure Media Service

Load Balancing My Blog on Azure

In order to improve the page loading speed of my blog for US users, I deployed an App Service in West US region on Azure some time ago. Now I have 2 servers running my blog, East Asia and West US. In this post, I'm going to illustrate how to use Azure to load balancing these servers, so that users can get access to the closest server for their regions. Adding Identifier Tags Since the codes …

Azure App Service Front Door

Securing My Blog with Azure Web Application Firewall (WAF)

Website developers and operation will inevitably encounter hackers. There are many fully automated hacking tools and scripts on the Internet that can scan your website for known security vulnerabilities and launch fully automated attacks in an attempt to seize control of the server. As a result, businesses often purchase web site application firewalls (WAFs) and deploy in front of the web server …

Azure WAF

My ASP.NET Core Route Debugger Middleware

Background In the ancient days of the .NET Framework, there was a RouteDebugger that outputs routing information for the current page in an MVC or web API app, or sees all the routing information registered in the app. The latest version of its NuGet package is 2.1.5, updated in 2016, from an article by Phil Haack 12 years ago https://haacked.com/archive/2008/03/13/url-routing-debugger.aspx …

.NET Core Middleware

Azure Remote Controlled Light with .NET Core 3.0 on Raspberry Pi

3 years ago, I wrote a blog post "Azure Remote Controlled Light with Windows 10 IoT Core", which is an experiment to sending a signal from your home and it will travel around the world then come back to your home to turn on an LED light on your Raspberry Pi. 3 years later, Windows 10 IoT Core and UWP seem not living so well. Microsoft doesn't have a new build of Windows 10 to support the latest …

Azure Raspberry Pi Linux .NET Core

Setup .NET Core 3.0 Runtime and SDK on Raspberry Pi 4

I recently bought a Raspberry Pi 4 with 4GB RAM and have official OS "Raspbian" installed. I've managed to run an ASP.NET Core 3.0 application on this Raspberry Pi 4. (02/23/2019 Update: It's recommended to choose .NET Core 3.1 LTS now, added 3.1 content into this article) ARM32 or ARM64? You can't run ARM64 version of .NET Core runtime or SDK on a Raspberry Pi 4 with the official Raspbian system …

Raspberry Pi .NET Core

This Blog Now Runs on .NET Core 3.0 and Azure

Microsoft shipped .NET Core 3.0 GA on Sep 23rd with tons of new features and improvements. This blog has been updated to .NET Core 3.0 and still runs on Microsoft Azure with SCD deployment type on App Service. This blog post summarizes all key points for my blog migration. Starting with .NET Core 3.0 preview 8, I've been investigating migration for this blog, from .NET Core 2.2 to .NET Core 3.0. …

Azure .NET Core

Run Office 97 on iPad with RDS on Microsoft Azure

Apple has been trying to make the iPad as a computer, but it's never as good as a real PC. If you can run PC software on an iPad, such as a full version of Office, that would be an ideal way. The first software I used when I was a kid was Microsoft Word in Office 97, which was the first version to introduce an Office Assistant (Clippy). In honor of Clippy that died at the age of seven, I decided …

Azure iPad Office

How I Built This Blog with Azure Services

My website (https://edi.wang) is an open-source blog system written in .NET Core and runs on Microsoft Azure. This article explains why and how the blog benefits from Azure's services. History of this blog The history of my blog dates to 2003, and the .NET version of the blog was originally built 10 years ago by the ASP.NET 2.0 WebForm VB and Access database and has been gradually maintained and …

Azure DevOps App Service

Build a Simple Matrix Card in .NET Core

A Matrix Card is typically used in online games for authentication. I build a simple version of a Matrix Card in .NET Core today, let's check it out. How Matrix Card Works This is a typical Matrix Card for the game "World of Warcraft". It has a serial number to bind to the owner's game account, and then use the numbers in the table for validation. Suppose the hacker already knows your account …

.NET Core Matrix Card