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Understanding Transactions in SQL 

String Parsing in SQL 

• We have two new refactorings for global usings, Extract Global Using and Inline Global Using, with Find Usages support for this feature.
• For nullable reference types, we’ve split the “should never be null” warning into two categories: one for those who look at NRT annotation and one for those who have a runtime check for null. We’ve also added a setting to enable runtime enforced not null warnings only, and supported [MemberNotNull] and [MemberNotNullWhen] annotations.
• We’ve implemented generic attributes support for C#11. 

sysend.js is small library that allow to send message between pages that are open in the same browser. They need to be in same domain. The library don't use any dependencies and use HTML5 LocalStorage API. You can send any object that can be serialized to JSON or just send empty notification.  Demo

Tested on GNU/Linux in Chromium 34, FireFox 29, Opera 12.16 (64bit) 

When you have a float CSS property on a box (with a value different than none), this box must be laid out according to the float positioning algorithm.

In Chrome 80 and later, cookies will default to SameSite=Lax. This means that cookies will automatically be sent only in a first party context unless they opt-out by explicitly setting a directive of None.
But if you’re a web developer, you should start testing your sites and services now to help ensure a smooth transition. 

Finalizers are interesting and dangerous because they are an environment in which everything you know is wrong. I’ve written a lot about the perils of C# finalizers / destructors (either name is fine) over the years, but it’s scattered in little bits over the internet. In this series I’m going to try to get everything in one place; here are a bunch of things that many people believe about finalizers, all of which are wrong.

Finalizers are interesting and dangerous because they are an environment in which everything you know is wrong. I’ve written a lot about the perils of C# finalizers / destructors (either name is fine) over the years, but it’s scattered in little bits over the internet. In this series I’m going to try to get everything in one place; here are a bunch of things that many people believe about finalizers, all of which are wrong.