tutorials-blog

How to Use TypeScript with GitHub

04/04/2023: GitHub is a popular platform for hosting and collaborating on code repositories. TypeScript is a powerful programming language that can help you write safer and more maintainable code. In this how-to guide, I will explain how you can use TypeScript with GitHub, including setting up a TypeScript project, committing and pushing TypeScript files to GitHub, and working with TypeScript in a collaborative environment. Step 1: Setting Up a TypeScript Project Before you can use TypeScript with GitHub, you need to set up a TypeScript project. You can do this by following these steps: 1. Install...

How to Use Type Guards in TypeScript

04/04/2023: How to Use Type Guards in TypeScript Step 1: Defining a Type Guard function } unknown’ type allows any value to be passed in. The function then checks if the value is a string and returns a Step 2: Using a Type Guard Once you have defined a function } isString’ type guard is used to check if the value is a string. If it is, the length of the string is logged to the console. If it's not a string, a message is logged instead. Step 3: Creating Custom Type Guards You can also create custom type guards for more complex types. Here's an example of a custom ‘name’ property: interface Person...

A Comprehensive Guide to TypeScript Decorators: How to Use Them Effectively

04/04/2023: TypeScript decorators are a powerful feature that allows you to add functionality to your code by decorating classes, methods, and properties with metadata. They provide a way to modify the Overview of TypeScript Decorators TypeScript decorators are a way to modify or extend the ‘@’ symbol followed by the decorator function name to apply the decorator to the corresponding element. Decorators can be used to add metadata to classes, methods, and properties, modify the How to Use Decorators in TypeScript To use decorators in TypeScript, you must enable the ‘experimentalDecorators’ flag’...

How to Create Azure Logic Apps: A Step-by-Step Guide

04/04/2023: Introduction: Azure Logic Apps is a powerful cloud-based service that allows you to create and automate workflows. It provides a visual designer that allows you to define your workflows using a drag-and-drop interface. These workflows can then be triggered by a variety of events, including HTTP requests, timer schedules, and messages from Azure services such as Azure Event Grid and Azure Service Bus. In this guide, we will walk you through the steps to create an Azure Logic App and provide some code examples along the way. Step 1: Create a Logic App in Azure Portal To create an Azure...

How to Build Azure Functions with Visual Studio

04/04/2023: Introduction: Azure Functions is a powerful serverless computing platform that allows developers to create and run event-driven, scalable applications in the cloud. With Azure Functions, you can execute your code on demand, without the need to provision or manage infrastructure. In this guide, we will explore how to build Azure Functions with Visual Studio, a popular integrated development environment (IDE) used by many developers for building .NET applications. We'll provide a step-by-step tutorial, along with code examples, to help you get started with building Azure Functions in Visual...

How to Create a Waterfall Chart in Tableau

04/04/2023: Introduction: A waterfall chart, also known as a bridge chart, is a useful visualization tool for tracking changes in a value over time. In Tableau, creating a waterfall chart requires a few simple steps, but the results can be powerful and informative. In this guide, we'll show you how to create a waterfall chart in Tableau, including step-by-step instructions, code examples, and use cases. Step 1: Prepare Your Data Before creating a waterfall chart, you need to make sure your data is in the right format. Your data should have at least two columns: one for the category or group and one...

How to Use Tableau Extracts

04/04/2023: Tableau extracts are an important feature of Tableau that allow you to extract data from various sources, including databases, spreadsheets, and other files, and then store them in a compact, compressed format for use in Tableau. Extracts can significantly improve the performance of your data visualizations, especially when working with large data sets. In this guide, we will explain how to use Tableau extracts, including how to create, modify, and refresh extracts. We will also provide some code examples to illustrate how to work with Tableau extracts. Creating a Tableau Extract To create...

How to Use the ZN Function in Tableau: A Comprehensive Guide

04/04/2023: Introduction: Tableau is a powerful data visualization and analysis tool that enables users to create interactive dashboards, charts, and reports. One of the most useful functions in Tableau is the ZN function, which allows users to replace null values with zero or any other desired value. In this guide, we will explore the ZN function in Tableau, provide step-by-step instructions on how to use it, and share some code examples. We will also highlight some use cases where the ZN function can be applied to enhance data analysis. Before we dive into the details of using the ZN function,...

How to Create a Gantt Chart in Tableau: A Step-by-Step Guide

04/04/2023: Introduction: Gantt charts are powerful visualizations that are used to display project schedules and timelines. They are commonly used in project management and can help users identify project milestones, track progress, and manage resources. In Tableau, you can create Gantt charts quickly and easily by following a few simple steps. In this guide, we will walk you through the process of creating a Gantt chart in Tableau. Step 1: Prepare Your Data Before creating a Gantt chart in Tableau, you need to make sure that your data is formatted correctly. Your data should include a start date,...

How to Create Interactive Dashboards in Tableau

04/04/2023: How to Create Interactive Dashboards in Tableau Introduction: Tableau is a powerful data visualization tool that allows users to create interactive dashboards that display insights in real-time. Interactive dashboards are an excellent way to present data, as they allow users to interact with the data and drill down into specific details. In this how-to guide, we will walk through the process of creating an interactive dashboard in Tableau, step-by-step. We will also provide some code examples to help illustrate the process. Step 1: Connect to Data Before creating an interactive dashboard,...

Creating a Quick Grid Component in Blazor

03/04/2023: Introduction: Blazor is an open-source web framework for building web applications using .NET and C#. It allows developers to create web applications with a rich user interface using a combination of HTML, CSS, and C#. Blazor provides a powerful set of components that can be used to build complex user interfaces. In this how-to guide, we will explore how to create a Quick Grid component in Blazor that can be used to display data in a grid format. Step 1: Create the Quick Grid To create the Quick Grid component, we need to define a new component in our Blazor application. Add the following...

Getting Started with Blazor XAML

03/04/2023: Introduction: Blazor is an open-source web framework for building web applications using .NET and C#. It allows developers to create web applications with a rich user interface using a combination of HTML, CSS, and C#. One of the features of Blazor is Blazor XAML, which allows developers to use XAML to create the user interface for their Blazor applications. XAML is a declarative markup language used to describe the user interface of applications developed using WPF, UWP, and Xamarin. In this how-to guide, we will explore how to get started with Blazor XAML and create a sample Blazor...

Refreshing a Blazor Page

03/04/2023: Introduction: Blazor is an open-source web framework for building web applications using .NET and C#. It allows developers to create web applications with a rich user interface using a combination of HTML, CSS, and C#. Sometimes, we may need to refresh a Blazor page programmatically, such as after making changes to the data displayed on the page. In this how-to guide, we will explore how to refresh a Blazor page programmatically and provide some use cases for this feature. Step 1: Add the To refresh a Blazor page programmatically, we need to use the Step 2: Inject the Once we have added...

Scanning Barcodes with Blazor ZXing

03/04/2023: Introduction: Blazor is an open-source web framework for building web applications using .NET and C#. It allows developers to create web applications with a rich user interface using a combination of HTML, CSS, and C#. One of the features of Blazor is Blazor Step 1: Set up a new Blazor To get started, we need to set up a new Blazor application. Open Visual Studio and select "Create a new project." In the "Create a new project" window, select "Blazor App In the next window, enter a name for your project, select the location where you want to save your project, and click "Create." In the...

Understanding Blazor Zones

03/04/2023: Introduction: Blazor is an open-source web framework for building web applications using .NET and C#. It allows developers to create web applications with a rich user interface using a combination of HTML, CSS, and C#. Blazor uses a component-based architecture, where each component is responsible for rendering its own UI and managing its own state. In this how-to guide, we will explore Blazor zones, which are a way to group components and manage their rendering and state. Step 1: Add a new To add a new zone to our Blazor application, we can add the following code to a component: php...

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