Today, I am here to introduce a new Advanced Javascript series in 9Lessons.info. Basically, I love wall system because we can cover multiple operations or features in a single web page. 9Lessons.info is most popular for its articles designed on wall system. This article is based on this wall system concept using Angular js 1.4. Future posts will be on the same concept where I will be introducing ReactJS and AngularJS 2 to 9Lessons.info. Below is the demo and hope you all enjoy this new series

In our previous posts, Amazon EC2 Cloud Installation and Amazon EC2 Setup with Ubuntu and XAMPP Installation discuss how to launch virtual servers as you need, configure security and networking and manage storage. This allows you to eliminate your investment in hardware, so you can develop and deploy applications faster. AWS is used by most of the smart people in this present technical world. But any old or new application maintained in a server needs a backup, so that any unfortunate crash in the system should not lead you to be in a state of pressure of what to do next. Today’s post help you to maintain the backup of your files as per the daily basis.

PixelPhone is an app for your Android device that replaces your default phone app to offer you a better experience. It has features that you don't usually get through your pre-installed phone & contact apps. Since its initiation some years back, the app has constantly refined and improved its features to better suit user's needs. Once you start using the app, you would not want to go back to the previous default version of your phone.

Advertisements are very important for any post published in internet. This is what decides the person’s revenue. But, recently adblocker system is killing revenue of the publisher because of which it also effects the creativity of that person. Today, I am providing a simple new solution for those depressed and effected persons of adblocking system. Here is a simple javascript to be included along with your website code to either hide the content of your website or show a pop-up or alert message to remove the viewers adblock plugin. Any blogger or any website management can use this code to improve your revenue of your website. This code is mainly designed for Google Adsense.

In our previous post, explains you the login system using PHP with PDO connection. Here is an extra feature that can be added to login system for an extra layer of security. It is 2 factor authentication using Google Authenticator App for Android/iPhone. Your account could be at risk of having your password stolen. 2 step verification can protect from misuse of your account if someone have your password, because logging into your account always require a security code(this verification code is uniquely designed for your account, if you opt for verification code, an unique code is sent to your mobile for every 30-60 seconds) in the second step after you enter your password.

Are you building new web or mobile software? What are your goals while implementing your application? There could be many answers, like efficiency, more effective user experience, proper security and authentication, good marketing features and so on. In simple terms, the work we do should ultimately satisfy the end user. So, for any successful application, an end user’s happiness should be the first goal. A customer should never get frustrated with your application, it only costs you time, money and a whole bunch of lost customers.

Earlier in realtime, any request for data from the server makes the app slow, unscalable and cumbersome to maintain. RethinkDB mainly focus on this drawback and makes building realtime apps easier. RethinkDB is the first open-source, scalable JSON database built for realtime web. The developer can tell RethinkDB to continuously push updated query results to application in realtime; this reduces the server load and also the time and effort necessary to build scalable realtime apps. Here there is complete steps for installing RethinkDB. This post also explains you to create a reat-time web application using RethinkDB and Node.js

My previous article gives you an understanding of how to develop any application using RESTful APIs. But, mere implementation of API is not enough for making it more effective. It requires a proper authentication and more security. Here is the article for a secured RESTful API on a token basis. An encrypted token, which is generated based on your site id and ip address is sent with the request call; this token is then be used to authenticate to use a RESTful service in your application. Follow the demo below for your reference.