Angular – Nested Components

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Introduction Components are building blocks of angular applications. Splitting the functionality in smaller components is something very common in angular applications development. In this post we will learn about nested components and discover how to establish communication between nested component and its container component using two useful angular directives @Input and @Output. We’ll be using … Read more

Angular – Working with Data

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Introduction In previous posts, we’ve started with angular basics and created an angular application. We learned that an Angular application is an interaction of the following Angular artifacts ComponentsServicesDirectivesPipesModules We’ll continue our learning and today we’ll see few more examples. We’ll learn about angular services and then use the service in component to work with … Read more

Angular – New Application Basics

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Introduction In previous post, we started with Angular basics and setup an angular application. Today, we’ll continue our learning with some more angular basics such as components, and simple data binding with HTML elements. Components Modules Modules provide a way to organize our application. Every Angular application must have a “root module”, which is required … Read more

Angular – Creating a New App

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Introduction Angular is a framework for dynamic web applications. It provides a way to organize your HTML, JavaScript and CSS to keep your front-end code clean. An Angular app is an interaction of the following Angular artifacts In this post, we will create a very simple angular application using angular-cli. Steps Install npm Install Angular … Read more

Raspberry PI Camera and Web Streaming

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In previous post, we learned basics of Raspberry PI which is a general purpose, low cost, computing platform. Today, we’ll learn how to install and use Camera module. The Pi camera board is an HD camera, which captures high resolution images. Its pretty much the same camera in your phone. You can use it to … Read more

.NET on AWS – Queuing with SQS (Part-3)

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Introduction In previous posts, we learned the basics of AWS Queue and how to publish messages to it from a .NET web-api application. Today our focus will be the Consumer part of the application. Following is solution design we are working towards throughout this series. To consume the messages produced from our web-api application, the … Read more

.NET on AWS – Queuing with SQS (Part-2)

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Introduction In previous post, we started with basics of Amazon SQS, typical use cases and need for queuing mechanism in a solution. We then discussed how our .NET applications can benefit from this managed service for offloading tasks to some background processes. We also setup an SQS Queue and installed related NuGet package in our … Read more

.NET on AWS – Queuing with SQS (Part-1)

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Introduction Queuing mechanism is very common for software applications. Its very handy in offloading the tasks from main application to background processes and typically used in building decoupled distributed systems. Amazon SQS works on a process of clients sending messages to the queue and the consumers polling messages from the queue and processing those. Typical … Read more

A Question, No One Want to Answer

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I don’t think that I’m crazy. Well, I usually don’t think it anyway but is the world getting crazier and crazier? Something weird happened last week, I was testing an open protocol communication and it was working fine with popular commercial and open-source client softwares. After initial testing, I switched to another Client software from … Read more