a developer's notebook
Recently, in a project, we had to extract the values from a large collection of objects and, while the easiest way to do so was to use the native Object.values()method, which returns an array of a given object’s own enumerable property values, we noticed some performance issues. So, we started measuring the performance of this method compared to some other…
ASP.NET Core Identity uses default values for settings such as password policy, lockout, and cookie configuration. These settings can be overridden in the Startup class. By default the Password Policy has the following options: RequireDigit: (default: true) Requires a number between 0-9 in the password. RequiredLength: (default: 6) The minimum length of the password. RequireLowercase: (default: true) Requires a lowercase character…
Let’s assume you have started experimenting with Azure Functions and, for your first app, you have chosen the Azure Portal as your development environment. You have created a new Azure Function by clicking the Plus icon next to your Azure Function name, selected In-portal from the first step of the wizard, and from the second screen you picked the Webhook…
JavaScript, and the tools around it, have advanced a lot during the last couple of years. So, below you will see few tips and tricks that I find useful in my day-to-day development workflow, in regards to console logging. 01. Custom Css Styling in your console log statements You can add custom styling to your log statements using the %c attribute….
Time Machine is the built-in backup feature for Mac and, to use it, you need an external storage solution that could be an external hard disk or part of a NAS system. One thing to keep in mind is that when your time machine backup disk is not available, local snapshots are created to help Time Machine restore data (more…
Sometimes you may need to run Visual Studio as Administrator; to do so, you have to right-click on Visual Studio task bar shortcut, right-click again on Visual Studio and select Run as Administrator. Then, you may open the solution you want manually from File -> Open -> Project/Solution or drop your .sln file onto Visual Studio. To make your life easier, you…
On Windows 10 while trying to start or connect to a VM, on Hyper-V, you might come to the following error: As you are sure that Intel-VTx and DEP is enabled in the BIOS and you verify it through Task Manager you still don’t know what’s the problem. As it turns out to fix the issue you need to run the…
C# 7.0 adds a number of new features and brings the focus on data consumption, code simplification and performance. Perhaps the most interesting feature is tuples, a finite ordered list of values, of possibly different types, which is used to bundle related values together without having to create a specific type to hold them. Tuples are very good for performance reasons, as you don’t…
Build 2017 is over. A three-day conference, where a lot of great stuff was announced. Apart from the keynotes of every day, there are many technical sessions to watch and learn from. The whole list of sessions is available at Channel 9. Here you may find my picks from the categories I am interested in. Azure Related Visual Studio &…
When starting playing with Service Fabric in Visual Studio, you may come to the following error when trying to debug your application:
1 2 3 4 | System.Fabric.FabricConnectionDeniedException: 'Not authorized to connect' Inner Exception COMException: Exception from HRESULT: 0x80071C43 |
The error although may look tricky, is very easy to fix and happens when you have created a Service Fabric application and accidentally Set as Startup Project the Fabric Service, as showing in the following picture: So, Set as Startup Project the Service Fabric…
