Programming

OpenAPI – Generate and use Angular Client Code

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Introduction In one of earlier post, we discussed that An OpenAPI specification is a standard which describes the capabilities of our API, and how to interact with it. We also demonstrated a .NET Core Web API application integrated with OpenAPI/Swagger. If you haven’t already, I’ll suggest to check the previous post for background information, as … Read more

Konva – Transforming Shapes

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Introduction In previous post we started with Konva introduction and wired it up in our angular application. Today we’ll continue our journey and learn about another useful feature of konva which helps us implement transformations with very little effort. If you haven’t already, please check the previous post for background information and we’ll be using … Read more

Konva – Basics

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Introduction Konva is a wrapper for the HTML5 canvas element. In this post we’ll see a basic introduction of Konva library and we’ll also use it in an Angular application. Konva has very good documentation available, please check it to get more details as needed. Setting Up the Code Solution I will be using an … Read more

AWS ECS Fargate – Deploy and Run Multi-Container Web Application (.NET Core, Angular, Postgres)

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Introduction With AWS Fargate, we can run applications without managing servers. Fargate is a serverless compute engine for containers. In previous post, we covered basics of AWS Fargate and took a step by step approach to deploy and run a .NET Core Web API application on AWS Fargate Service. We used AWS Fargate web console … Read more

RxJS – Subjects

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Introduction In previous posts we’ve discussed RxJS and saw few examples to understand how to use those in our angular applications You can check the earlier posts in following links Today, we’ll discuss Subject which is very useful and powerful feature of RxJS. We’ll start simple with few examples mostly around the subject theory and … Read more

RxJS in Angular – Make your code more Reactive and Declarative

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Introduction In previous post, we started with the basics of RxJS and observables. We saw few examples of creating observables from existing data and various RxJS operators to transform, filter and process observables. Today, we’ll build upon those learning and see how to work with HTTP data using RxJS. If you haven’t already you can … Read more

Angular – Notifying the Component of User Changes

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Introduction In earlier post, we saw how to communicate in and out of components using input/output properties. Another approach we learned was use of template reference variable and @ViewChild decorator to access elements/components on template and call methods on it. You can check this article for details. Today, we’ll learn how to notify the component … Read more

Angular – ViewChild and TemplateReference Variable

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Introduction In earlier post, we saw how to communicate in and out of components using input/output properties. In this post we’ll explore another way to access the public properties and methods of a child components. This could be useful for different use cases. We’ll learn about using Template Reference Variable and/or @ViewChild() decorator. ViewChild/ViewChildren Selector … Read more