There is a myth about white text over black backgrounds being the best color contrast combination for accessibility, but in reality, white text on black backgrounds creates a visual fuzzing effect for people with astigmatism called “halation”. This effect is known to reduce text readability and is particularly bad for people with astigmatism because it can cause terrible headaches. 

• We have fixed an issue with debugging using Docker when a web proxy is configured.
• In debugging using Docker, you will now experience improved error handling for failures related to drive sharing configuration (for example, expired credentials). 

How to build a Quiz app using React and TypeScript 

Upgrading JavaScript to ES6 and using TypeScript as a shortcut 

• Add option for Windows (UWP) platform when creating new Xamarin.Forms project from 'Mobile App (Xamarin.Forms)' project template.
• Help > About window title in Visual Studio 2019 still shows 'RC' after upgrade.
• When updating Visual Studio 2019 from RC to GA, RC shortcuts for Visual Studio are left behind.
• Visual Studio 2019 Preview 1.1 cannot create a UWP xamarin form.
• Package load failure starting Visual Studio 2019 after upgrade from Preview 4.4 to 16.0.

JSON Web Token is a security token which acts as a container for claims about the user, it can be transmitted easily between the Authorization server (Token Issuer), and the Resource server (Audience), the claims in JWT are encoded using JSON which make it easier to use especially in applications built using JavaScript. 

In this section we'll create a Blazor application to demonstrate the different lifetimes of the various dependency injection scopes. 

Cool Backgrounds is a collection of tools to create compelling, colorful images for blogs, social media, and websites.