In this post, we will see the fastest way to iterate a List. We start creating a Console Application called ReadList and we add a Class called Core: [CORE.CS] Now, we will add four methods to iterate the List using the statements For, Foreach, List<T>.Foreach and Foreach with CollectionsMarshal.AsSpan: FOR(We don’t sure the collection is… Read More »
In this post, we will see what ValueTask is and how to use it in our projects.But first of all, what is ValueTask?From Microsoft web site:“A ValueTask is a structure that can wrap either a Task or a IValueTaskSource instance. Returning a ValueTask that wraps a IValueTaskSource instance from an asynchronous method enables high-throughput applications… Read More »
In this post, we will see what is SemaphoreSlim and how we can use it.But first of all, what is SemaphoreSlim?From Microsoft web site:“The SemaphoreSlim class represents a lightweight, fast semaphore that can be used for waiting within a single process when wait times are expected to be very short. SemaphoreSlim relies as much as possible… Read More »
In this post, we will see what Big O notation is and how to use it to optimize our algorithms.But first of all, what is Big O notation?From Wikipedia:“Big O notation is a mathematical notation that describes the limiting behaviour of a function when the argument tends towards a particular value or infinity. Big O is a member of a family of notations invented by Paul Bachmann,… Read More »
In this post, we will see how to use the library BenchmarkDotNet for testing the performance of our methods.But first of all, what is BenchmarkDotNet?“BenchmarkDotNet is a lightweight, open-source, powerful .NET library that can transform our methods into benchmarks, track the performance, and then provide insights into the performance data captured”.I want to specify that… Read More »
In this post, we will see two interesting features introduced with C# 11.For the complete list of all new features, go to the Microsoft web site. In order to use C# 11, we have to install .NET 7.0 that we can download here:https://dotnet.microsoft.com/en-us/download/dotnet/7.0 We select our OS (in my case Windows x64), we download the… Read More »
In this post, we will see how to use Code Snippets and how to create a custom one.But first of all, what is a Code Snippet?From Microsoft web site:“Code snippets are ready-made snippets of code you can quickly insert into your code. For example, the for code snippet creates an empty for loop.You can insert a code snippet at… Read More »
In this post, we will see how to manage correctly a Date type variable.Many times in our code, when we have to define a variable with the current date and time, we use Datetime.Now… or at least, this is what I do…..In theory this is correct but, if we have to set up something based… Read More »
In this post, we will see how to ping an IP or Address with .net Core. We start creating a Console application called CheckIP where, we will define a class called CheckService so defined: [CHECKSERVICE.CS] Finally, we modify Program.cs in order to use the class CheckService: [PROGRAM.CS] We have done and now, if we run… Read More »