In the same time when first object-oriented languages were emerging, another concept inspired by general relativity and quantum mechanics was taking shape – actor model. In general terms, the Actor model was defined 1973. and was developed on a platform of multiple independent processors in a network. Similar to the object-oriented approach, this essentially mathematical model, revolved around the concept of actors. An actor is the smallest structural unit of Actor model, and just like objects, they encapsulate data and behavior. In difference to objects, however, actors communicate with each other exclusively trough messages. Messages in actors are processed in a serial manner. According to the full definition of actors, they can do three things:

• send a finite number of messages to other actors
  
• create a finite number of new actors
  
• designate the behavior to be used for the next message it receives 
  

How often have you felt the need to rename or move a C# project? If you have come here, then you know that the most important existing IDE for C#, Visual Studio, does not really support this scenario very well. 

Web Payments is an emerging web standard being developed by the W3C to simplify online payments and enable a broader set of players to participate easily in the payments ecosystem on the web. The standards are flexible; they work with various types of payment systems and are intended to work on any browser on any device, payment method, or payment service provider. This flexibility enables development simplicity, deployment consistency, and future compatibility with emerging payment technologies. 

• Team Explorer - Changes: panel not sizing to the Team Explorer window.
• Visual Studio 2017 SQL Server Object Explorer server list not persisting .
• intellisense problems with linux-x64 mode.
• Index was out of range. Must be non-negative and less than the size of the collection.Parameter name: index.
• Visual Studio 2017 UNDO does not work/stops working (reported AGAIN!!!!).
• Intellisense not working for files created under WSL.
• Intellisense error: C++11 static constexpr member initialization causes "member may not be initialized".
• VS doesn't restore windows position when switching in/out of debug.
• Third party toolbox items are reloaded every time VS2019 Preview 2.2 is started.
• 'Set as StartUp Project' crashes the IDE after updating to VS2019 Preview Release 3.
• Visual Studio 2019 building Visual Studio 2017 C++ projects fail.
• Fixed Toolbox refresh issue.
• Toolbox controls are making vssettings file too big.
• SSDT: Fix for Login failed errors when performing a New Data comparison function .
• SSDT: Fix for Source is Unavailable error when performing Schema Compare .
• SSDT: Fix for Schema Compare Generate Script does not generate script .
• SSDT: Fix to improve performance of loading solutions with multiple projects.
• SSDT: Fix for SQL files not always being deleted when performing a Schema Compare between a database and a project and a delete table is executed subsequently.
• SSDT: Accessibility fixes to improve narration capabilities.
• SSDT: Replaced older sqlncli driver with new Microsoft ODBC Driver for SQL Server. 

The chance of a successful rewrite is inversely proportional to the age of the product 

JS Is Weird
JavaScript is a great programming language, but thanks to the fact that its initial release was built in only ten days back in 1995, coupled with the fact that JS is backward-compatible, it's also a bit weird. It doesn't always behave the way you might think. In this quiz, you'll be shown 25 quirky expressions and will have to guess the output. Even if you're a JS developer, most of this syntax is probably, and hopefully, not something you use in your daily life. 

Partial Views and Child Actions are one the most used features of ASP.NET MVC. Partial Views provides us a way to create a reusable component that can be used in multiple Views. There are Actions which can be marked as Child Actions and these cannot be invoked via URL but inside views or partial views. Child Actions are no more available with ASP.NET Core. View Components are new way to implement this feature in ASP.NET Core. 

These are very simple and elegant visualizations, and they should not require a bloated graphing library to produce.

React Trend is a concrete component that does 1 thing, and does it well: generate these trending graphs.  Demo

WhatsApp for Windows Phone is one of the few apps on Windows 10 Mobile today that continues to receive frequent updates from its developer. Unfortunately, the app itself is one based on Silverlight, which is what apps built for Windows Phone 8.1 used back in 2014. This means the app isn't a Universal Windows Platform app (UWP,) and as such doesn't run across all the different Windows 10 platforms and devices available today.