Guest Jon P Smith shows how he built a demo e-commerce book selling site that uses EF Core. He started with 700 books then scaled through 100,000 books to ½ million books. At each stage he compares the performance of each improvement, and the extra work to get that performance. 

easystar.js is an asynchronous A* pathfinding API written in Javascript for use in your HTML5 games and interactive projects. The goal of this project is to make it easy and fast to implement performance conscious pathfinding.  Demo

• Calculates asynchronously for better overall performance
• Simple API
• Small. ~5kb
• Use it with any existing Javascript Framework

Using Node.js, we can create web applications easily. Now, thanks to the node-webkit we can also create desktop apps with it, using a unique combination of HTML5 and Node. 

SQLFacts is a comprehensive suite of 27 tools with awesome features. The toolkit includes plenty to love for everybody, with tools for SQL Server database development, database administration, and performance tuning.  

Today, we’re releasing .NET 5.0 Preview 3. It contains a set of new features and performance improvements. We’re continuing to work on the bigger features that will define the 5.0 release. 

Finally, the backend runs on .NET Core runtime by default on macOS and Linux, instead of the Mono runtime. Moving to .NET Core runtime delivers noticeable performance improvements, a lower memory footprint, and multithreaded NuGet restore. 

Postgres 11 is out and brings more robustness and performance for partitioning, enhanced capabilities for query parallelism, Just-in-Time (JIT) compilation for expressions, and a couple of more useful or convenient changes. 

We’re excited to announce the release of .NET Core 2.1. It includes improvements to performance, to the runtime and tools. It also includes a new way to deploy tools as NuGet packages.  

Essentially, a bot is an application that can automate repetitive tasks or serve information to a user and, more and more, can interact with a user using natural language. As these bots get more intelligent and better at understanding us, this is providing a wide spectrum of use cases for bots to be used by and assist almost everyone. 

Redis (REmote DIctionay Server) is a very popular open-source, networked, in-memory, key-value data store, sometimes referred to as a data structure server which also comes with optional durability. Redis is well known for high performance, flexibility, provides a rich set of data structures, and a simple straightforward API.