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Decode website loading sequences with Todd Gardner's essential guide to waterfall charts in this Concepts of Web Performance tutorial. Perfect for entry-level web developers struggling with slow websites, this video demystifies those intimidating colored bars you've seen in Chrome DevTools, WebPageTest, and monitoring tools like Request Metrics. Learn to interpret the crucial elements of waterfall charts—from request queuing and waiting times to content downloading phases—all visualized on a timeline measured in milliseconds. Discover how to identify two major performance bottlenecks.

Data source variables let you change where Grafana looks for data without having to create duplicate dashboards. So for example, if you have multiple different Prometheus databases, you can have one dashboard and use a data source variable to choose which Prometheus that dashboard uses. We'll look at how to set these up in this video. Grafana Cloud is the easiest way to get started with Grafana dashboards, metrics, logs, and traces. Our forever-free tier includes access to 10k metrics, 50GB logs, 50GB traces and more. We also have plans for every use case.

In this tutorial, we’ll demonstrate how to create an Entity Framework Core model and connect a.NET console application to an Oracle database. We’ll guide you step by step, showing how to set up your connection, install the necessary components, and use Entity Developer to generate a model based on your Oracle database. By the end of this video, you'll have a functional setup to interact with Oracle tables directly within your.NET console application.