Using PostMan for APIs: PostMan is a tool for testing HTTP REST Services. It’s a tool similar to Fiddler but a lot easier to use. It doesn’t work like a sniffer for all the HTTP traffic for the system. It works like a simple HTTP client. It allows to send HTTP requests with a request… Continue reading »
Using Third party libraries in Angular2 with Angular CLI Angular2 has a special module based architecture. For using third party libraries with Angular CLI we have to follow certain steps. In this post we are going to discuss the same in the Angular2 Cart application we created earlier. Here we will assume that we are… Continue reading »
Using NodeJS and Express for Hosting HTTP Service In this post we are going to create a simple HTTP service using node and express. The service provides the list of student. It can also provide the details of a student using id as input. Let’s first start with a simple HTTP service using NodeJS and… Continue reading »
Angular 2 CLI – An Introduction We have seen before how yeoman allows us to write the apps faster by taking care of most of the scaffolding work [HTTP based Rest Service in Angular JS using Yeoman]. Angular-CLI is a similar feature of Angular 2 providing support of different parts of an angular app, giving… Continue reading »
NW.JS (node-webkit) – An Introduction Node webkit allows HTML5 applications to run in a desktop. It uses NodeJS and Chromium. Both are using the same V8 javscript engine. Since this runs as a desktop application, it doesn’t have the sandbox restrictions. So in the same page, you can open a file from file-system and then… Continue reading »
HTTP based Rest Service in Angular JS using Yeoman Service Oriented applications are implemented as a set of services working together to achieve a single objective. In this post we are going to learn how we can use REST based HTTP services from an angular-js client. Here we are using GitHub http service to get… Continue reading »
Observables in Javascript Observable pattern allows us to execute code blocks when a change happens. There are different implementations to support observables in different programming languages. In ECMAScript 6, Object.Observe() was introduced for the same purpose. It allows us to write functions which get called when an object’s properties are changed. Let’s look at the… Continue reading »
Variable Hoisting in Javascript If you are coming from C# or Java background into C#, you might find scopes as very strange in java script. In this post, we will be trying to understand the scopes in C#. Specially, how javascript uses hoisting to for these out-of-ordinary scopes. In other programming languages, we limit the… Continue reading »
In this post, we will be trying to understand how we can unit test javascript code using Karma and Jasmine. Karma Let’s first install Karma. It is available as a node package, so we can use npm to install it. Here we are using Karma for running our unit tests. Karma launches a web server… Continue reading »