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CSharp Featured

Define Implicit and Explicit Operator - C# Tips

C# allows us to define Implicit and Explicit operators. Unlike casting Implicit and Explicit operators defines how C# should behave when encountering an equals sign. Implicit operator execution can be invoked when assigning a variable or calling a method. To use Explicit operator we should do the same as casting

Digital Clock on the wall

Calculate Time Ago with .NET C#

Here is a small extension method over System.DateTime that gives its relative time readable for humans, such as: * one minute ago * 2 minutes ago * one hour ago * 3 hours ago * 3 days ago Check out this extension method over the DateTime structure using switch patterns. public static string AsTimeAgo(

SSH Exposed to Internet - 8 steps check list

Exposing virtual machines to the internet it's not an easy task. Often managed using an SSH connection we must secure our machines as much as we can against hacker attacks. Let's go through some often and ease configurations that will make it an attacker hard if trying to access your

Create a Minimal API with .NET 6

Create a Minimal API with .NET 6

One of the new features of .NET 6 is the arrival of a new template, which will replace the default and bring a good reduction in code writing. Including the removal of the Startup.cs file. .NET 6 was released as LTS (long-term stable) which means support for 3 years.

Set up Serilog in .NET 6 as a logging provider

CSharp Featured

Set up Serilog in .NET 6 as a logging provider

Let's set up Serilog as Logging Provider in the native logging system in .NET so you can use the Microsoft ILogger interface.

Optimizing Query Performance on C# ODP.NET - Oracle Managed Data Access

Optimizing Query Performance on C# ODP.NET - Oracle Managed Data Access

Oracle C# drive is already pretty fast with the default configuration. But we can always tweak it a little to make it even faster. By controlling the FetchSize property in ODP.NET we can make fewer round trips to Oracle Database and fetch the data faster. Let's take a look

Adding Startup.cs back to .NET 6 Project

Adding Startup.cs back to .NET 6 Project

When .NET 6 was released, the first big change was the lack of Startup.cs. This is very nice and all. But sometimes we just want it back, and here is how. First, create a new file called Startup.cs at the root of your project with the following content

Oracle Database on Docker for Development

Oracle Database on Docker for Development

Lets set up an Oracle Database instance for development purpose using Docker is very easy. And it also runs in WSL2 over Windows. Let's use the oracleinanutshell/oracle-xe-11g image.

AZ-900 - Useful Resources for the Exam

AZ-900 - Useful Resources for the Exam

Azure Fundamentals exam is an opportunity to prove knowledge of cloud concepts, Azure services, Azure workloads, security and privacy in Azure, as well as Azure pricing and support. Candidates should be familiar with the general technology concepts, including concepts of networking, storage, compute, application support, and application development. Here are

Health Checks on your ASP.NET Core Application

DotNet Featured

Health Checks on your ASP.NET Core Application

Health Endpoint Monitoring pattern Health Check in .NET 5 is very simple. With just a few lines of code, you can set up everything to monitor the Health of our Application. Implement functional checks in an application that external tools can access through exposed endpoints at regular intervals. This can

Clock Representing the Time

DotNet Featured

Add Build Time to your C# Assembly

Having the Assembly version is great. This give us insights of wich version is running. Have the build time can also useful. Specially when we're troubleshooting our application and we're not sure of which version is running. For instance besides having only the assembly version we can have the version

Create a free MongoDb Cluster in the Cloud - Mongo Atlas free account

MongoDb Featured

Create a free MongoDb Cluster in the Cloud - Mongo Atlas free account

MongoDB is a document-oriented NoSQL database used for high volume data storage. Instead of using tables and rows as in the traditional relational databases, MongoDB makes use of collections and documents. MongoDb is very easy to get started - That is why I love MongoDb. I think it's the best

API Key Authentication - Extending the native implementation

DotNet 5 Featured

API Key Authentication - Extending the native implementation

In this article, we're going to create the code (and understand how it works) to handle API Key authentication with just three lines of code extending the native Authentication mechanism. We want a simple and stupid solution and not some crazy implementation using MVC [Attributes] or any customized middleware to

eXtreme Go Horse (XGH) Process Source

eXtreme Go Horse (XGH) Process Source

Have you ever participated in a project that uses eXtreme Go Horse Programming? The XGH Commandments 1. I think therefore it's not XGH. In XGH you don't think, you do the first thing that comes to your mind. There's not a second option as the first one is faster. 2.

charts indicating monitoring

Endpoint Monitoring with Azure Application Insights

Let's explore the use of Microsoft Azure Application Insights to monitor the health of our application using the endpoint /healthcheck. Applications Insights it's a great tool for monitoring, error logging, performance monitoring, dependency mapping, and other things. In other words, it's a full APM - Application Performance Management - ready

Generating a Self-Signed Certificate using Powershell

Generating a Self-Signed Certificate using Powershell

A self-signed certificate it's very easy to create and helps on with local development and testing. With a Single Line of PowerShell code we create a certificate. First, open the PowerShell as Administrator and run the following command: New-SelfSignedCertificate ` –DnsName ` -CertStoreLocation "cert:\LocalMachine\My" The default expiration is 1

Compress files in memory (.zip) using C#

CSharp Featured

Compress files in memory (.zip) using C#

Here is a code snippet of how to compress one or many files to a zip archive in memory using C#. It works in .Net Core and .Net Full Framework public static byte[] GetZipArchive(params InMemoryFile[] files) { byte[] archiveFile; using (var archiveStream = new MemoryStream()) { using (var archive = new ZipArchive(archiveStream,

Getting the file name without extension in C# - #TIP

Getting the file name without extension in C# - #TIP

These days I was asking myself how to get the file name without the extension. I confess I was tempted to use a regex to solve this problem :) But no worries. There is a method in System.IO.Path specific for this situation. using System.IO; /// /// Get file name without

Yet Another AZ-203 Microsoft Official Course Delivered.

Yet Another AZ-203 Microsoft Official Course Delivered.

Yet Another AZ-203 Microsoft Official Course Delivered. Another AZ-203 official Microsoft course delivered with success! Class members feedback was great. And I loved to make over 22 new colleagues these two weeks. I should say, this course is awesome. The level of topics is at beginning easy, them going to

Create Azure App Service though AZ Cli

Create Azure App Service though AZ Cli

# generate a unique name and store as a shell variable webappname=mywebapp$RANDOM # create a resource group az group create --location westeurope --name myResourceGroup # create an App Service plan az appservice plan create --name $webappname --resource-group myResourceGroup --sku FREE # create a Web App az webapp create --name $webappname --resource-group myResourceGroup

Create Azure Virtual Machine Using PowerShell

Create Azure Virtual Machine Using PowerShell

Quick Configuration Getting the public Ip Get-AzPublicIpAddress -ResourceGroupName "demo003" | Select "IpAddress" Full Configured Virtual Machine Getting the public Ip Get-AzPublicIpAddress -ResourceGroupName "demo004" | Select "IpAddress" Removing deployment Remove-AzResourceGroup -Name demo003 Remove-AzResourceGroup -Name demo004

Azure Storage Disks - Managed and unmanaged disks

Azure Storage Disks - Managed and unmanaged disks

Managed disks * The Azure platform manages the disk and the backing storage * You don't have to worry about storage account limits and thresholds Unmanaged disks * You manually create and manage virtual hard disks (VHDs) in your Storage account * You will need to consider account throughput and capacity limits when using

AZ-203 - AGENDA - 01/2020

AZ-203 - AGENDA - 01/2020

Agenda do curso AZ-203.