Azure CLI can help us automate the configuration and management tasks of Azure. Ideally, for repetitive tasks, using CLI scripts can help us save time. However, Azure CLI still has some features that are not convenient enough, such as checking the existence of resources. Current Situation For some resource types, such as Resource Group, Azure CLI provides exists directive that can return the …
There are a few reasons that we need to know if our program is running under the Windows Remote Desktop (RDP) session. For example, if it is running under RDP, we may disable animation and other fancy graphics effects. But how can we detect if our program is currently under RDP? Let's see. Windows Forms If you are developing Windows Forms Apps using .NET Core 3.x, there's a built-in API that …
I rewrote my blog system with .NET Core last year. After more than a year of optimization, the server response time is now 8ms comparing to 80ms when it first went live. This article shares what I have done to make my blog works really fast. In fact, before .NET Core, my old blog system was written by .NET Framework, built from ASP.NET Web Form 2.0 in 2008 all the way up to ASP.NET MVC5 in 2018. …
My blog supports Azure AD authentication. I created the Azure AD application inside Visual Studio, by default, all users under my Azure AD will have access to my blog's admin portal. This is not ideal for an enterprise application that needs to limit access for only a few selected users or groups. Let's see how to configure an Application in Azure AD to enable access for just a few users. Make …
I upgraded a WinForms App to .NET Core 3.1 these days. It's an open-source on-screen ruler created by Jeff Key in 2004, the original code was for .NET Framework 2.0, I've already upgraded it to .NET Core 3.0 in September this year, it was very smooth without any code change. But this time, .NET Core 3.1 does require some code changes. The project is on my GitHub: https://github.com/EdiWang/ …
Recently, Microsoft unveiled a new Azure .NET SDK, it's not a simple version upgrade, but a major change in the programming experience. While it may take a while to adapt to the new SDK, it is worth learning. The new SDK is more powerful, more flexible and easier to use. Current Status of Azure .NET SDKs Currently, the official packages for .NET SDKs for Azure are confusing and unfriendly to …
Microsoft Azure had an incident on 11/20, which it's Front Door service got a bad deployment and blown up Office 365, Bing, Azure DevOps, etc. The issue was fixed very quickly by Microsoft engineers. But Azure Front Door caught my eyes, it is new to me. So I took a look. Azure Front Door Typically, when we deploy our web applications to Azure App Service or other clouds, the network flow of a …
A while ago I finally completed the dynamic generation of favicons for my blog system. As we all know, favicon must have an icon in .ico format, and the rest can be output as png files and a manifest.json. However, this ICO format let me struggled for a while. I'd like to share my solution. The Problem with Built-in API As many of you may know, System.Drawing.Image has a Save method that …
每一代人都有记忆里的味道。煤球炉、黑白电视机是属于父母的记忆。而“拖控件”式编程，启蒙了无数像我这样的80后（嗯，89也算80后）。 经典旧世 2000 年那个时候，上海这样的城市里也不是每家每户都有电脑，我家也没有电脑。我在学校经常听几位家里条件不错的同学说他们玩电脑的事情。CIH、千年虫等名词让我对电脑有着非常强烈的好奇心。而我第一次体验到计算机，是在我母亲单位的机房里。它是一台卧式机箱、15寸 CRT 凸面屏显示器的 Windows 95 电脑。 当时的微软对我来说就是神的存在。因为我认识电脑到使用电脑的一切几乎都离不开这家伟大的公司，它就像上帝一样开天辟地，创造了PC上的万物。Windows、Office、IE 这些当年几乎是唯一的主流产品。而微软的创始人之一比尔·盖茨也成了我的偶像。还记得当年，上海有个PC专题的电视频道，有一天该频 …
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 …