Using lean() in mongoose provides high performance queries.
Now a days , angular ui-router is being used actively for maintaining routes in angular applications. In my current project, I came across a use case in which I had to perform certain checks before executing certain route mapping. For example lets consider the most basic situation in which we want to directly show dashboard […]
This time I am going to explain a very basic CRUD operation on MySql database via NodeJs using Sequelize. Here Sequelize become’s a bridge between NodeJs and MySql database, it is a Object Relational Mapping Library written on javascript. Let us quickly learn the things with the help of Examples and we will use Item Table […]
Yeoman is an app scaffolding tool that helps you kickstart new projects, prescribing best practices and tools to help you stay productive. Yeoman provides a workflow to improve productivity and ease of development.
When we work on AngularJS, scope become very important concept. So today we will understand the Scope in AngularJS. In almost every AngularJS Controller we use scope object which is auto injected by AngularJS in $scope named parameter. And that scope gets visible to marked HTML and its inner/child HTML, because of which HTML can […]
When we are working on MVC (or MVVM for AngularJS) Design-Patterns, our application is loosely coupled because of different independent components defined for e.g. Controller, View, Services, Modal/Data etc. All the components have their own work/role but today we will discuss only Services. Services are that part of application where we write our business logic […]
PhantomJS is used to emulate browsers through command line, for generating PDFs, web page manipulation, headless testing and much more interesting stuff. Npm provides us a module called “node-phantom” which helps us to use PhantomJS in our NodeJS application in a non-fussy way. A prerequisite for using this module is, you must have PhantomJS binary […]
Any well written piece of code should be defensive by nature with defensive error handling understanding that things could go wrong. Things would be great if we can define our own custom error classes which we can pass or throw in order to distinguish various errors. Custom error constructors helps in: ⇒ Identifying which error was […]
As we all of know that AngularJS is very popular and powerful front-end framework, which helps us to build rich UI/UX applications. AngularJS has many cool things/features, but today we will concentrate on routes only and will try to make a small single page application like Facebook/Gmail with the help of routes, where we will […]