SQL Server Performance Dashboard (SSPD) is a small open source web app that shows you performance & problems of one or more SQL Server instances and their databases in near real time 

Feature.js, a feature detection library in 1kb Demo

API reference

Below you’ll find a list of all the available browser feature tests and how to call them. 

feature.async
feature.addEventListener
feature.canvas
feature.classList
feature.cors
feature.contextMenu
feature.css3Dtransform
feature.cssTransform
feature.cssTransition
feature.defer
feature.deviceMotion
feature.deviceOrientation
feature.geolocation
feature.historyAPI
feature.placeholder
feature.localStorage
feature.matchMedia
feature.pictureElement
feature.querySelectorAll
feature.remUnit
feature.serviceWorker
feature.sizes
feature.srcset
feature.svg
feature.touch
feature.viewportUnit
feature.webGL  

How does a developer find a new tool to add to their stack? There’s no single answer, but most will tell you that technical content is part of that journey. Certainly, documentation is crucial to developer experience. But more often than not, the first piece of content they’ll discover is a helpful resource returned as search results or shared from another dev. Your goal is simple: be that resource.

Issues Fixed in 15.9.19

• Fixed an issue in C++ optimizer where the impact of writing to unknown memory inside a call wasn’t properly accounted for in the caller.

Security Advisory Notices

• ASP.NET Core Denial of Service Vulnerability
• ASP.NET Core Remote Code Execution Vulnerability

Performance benefits of sealed class in .NET 

Astonishing Performance of .NET 5: More Data 

Evaluating Performance of REST vs. gRPC