Angular2- Environment Specific Configuration Angular2 makes development and release workflows a lot easier than other javascript frameworks. One such ease is the ease of environment specific settings and configuration. In this post, we are going to see how we can keep environment specific configurations in an angular2 application developed using Angular CLI. We will be… Continue reading »
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 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 »
Neo4j – An Introduction A graph database allows data to be saved in terms of nodes and edges and their properties. This type of database suits the business cases where entities and their relationships defines the whole concept. They are faster to query too. In addition to storing data as nodes and relationships, they provide… 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 »
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 »
Beacon Configuration After getting the beacons delivered, beacons must be configured with appropriate settings based on the required specification. We cannot directly apply a setting to a Gimbal Beacon but we need to follow certain steps for this purpose. I thought this is a good idea to list them here. Activating Gimbal Beacons When you… Continue reading »
Beacons are Bluetooth smart devices which transmit signals at regular intervals. These signals can be scanned by an devices. These devices can pass on the info of beacon of interest to an app, which uses it to determine proximity. In order to be recognized, beacons must be configured with certain information. For iBeacon case, they… Continue reading »