Offline Content Storage and Sync with Server when Modified

What is If-Modified-Since? The smart and efficient way to get images, icons and more from your server. If-Modified-Since is an HTTP header Which is sent to the server as a condition. If the content has been changed on the server, then the server responds with 200 status code with the whole requested document. Else If Continue Reading »

Paytm Integration in Swift

This blog is about how to integrate Paytm with the iOS App. Steps to integrate paytm via SDK 1. Import the library : A library can be imported by two process : a) Via pods Add pod ‘Paytm-Payments’ in the pod file. Run ‘pod install’ from terminal. Now open the xcworkspace Go to “Link Binary With Continue Reading »

controller, restcontroller, spring boot

Difference Between the @Controller and @RestController

Spring Framework introduced @Controller and @RestController annotations to create a controller. Basically, the controller is used to handling the client requests for a particular resource. For example mydomain.com/home This request goes to dispatcher servlet then it will be forwarded to controller corresponding methods with that URL mapping If you create your controller using @Controller annotation Continue Reading »

Basic Fundamentals of Redux

Redux is a library which is use to maintain state of the application at application level , it reduces complexity of managing different states of the components when app is getting comparatively larger , it provides the privilege to maintain state of different components efficiently. Redux works on three basic principles 1) “Single source of Continue Reading »

End-User Testing

How to Make Each Round of Testing Count?

1. Lets list things we need to discuss:- Set our goal clear. Understand value of feature for End-User. Keep a track of all the test scenarios and new findings. After testing check have we covered all the checkpoints. UI checkpoints. Last but not least, give app/web_app to another tester who is not a part for Continue Reading »

Hibernate Mapping

Hibernate mappings are one of the key features of  Hibernate. They establish the relationship between two database tables as attributes in your model. That allows you to easily navigate the associations in your model and Criteria queries. You can establish either unidirectional or bidirectional i.e you can either model them as an attribute on only one Continue Reading »

What is EventBus Library and How Does it Work?

In this blog, we are going to discuss about the Eventbus library. What is EventBus: EventBus Is open Source android library that simplifies communication between Activities, Fragments, Threads, Services, with Less code, better quality.When we develop an android application we need to manage a lot of intercommunication between android components which some time’s become very Continue Reading »

Nearby API Post-Connection Phase

We have already discussed near pre-connection phase in our previous blog. Check this reference : http://blogs.innovationm.com/nearby-api-pre-connection-phase/ Now, in this blog, we will have a look at the post-connection phase. After the connection between advertiser and discoverer is made successfully, post-connection phase starts. In the post-connection phase, there is no distinction between advertiser and discoverer. Both can Continue Reading »

Spring Hibernate With EhCache

Ehcache is an open-source, standards-based cache for boosting performance, simplifying scalability and offloading your database. EhCache is used to improve performance by reducing the load on underlying resources.  It can also be used for RESTful server caching, application persistence, and distributed caching. In simple words, cache means a store of things that will be required Continue Reading »

Retrofit Library in Android

Retrofit is REST API Client for Java. It is developed by Square Inc. It uses OkHttp library for HTTP Request. It is a simple library that is used for network transaction. It is a very easy and fast library to retrieve and upload the data via Rest based web service. Adding Dependency in Build.gradle-

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Nearby API pre-connection phase

  Nearby Connections API is one of the many APIs available in google play services. This framework was introduced in early 2015. Initially, it allowed only those devices to share data which connected to the same wifi network. After June 2017, in the version 11.0, it also made use of Wifi hotspots, Bluetooth and BLE Continue Reading »

Room Persistence Library

  Last year 2017 Google announced a more secure and robust architecture to allow smooth database access while harnessing the full power of SQLite called Room Library. The Room Persistence library helps your app to create a cache on your device. In this blog, we are going to discuss Room Library and its implementation. Persistence in Android? Continue Reading »

Hibernate Query Language

  In this tutorial will discuss about Hibernate Query Language. HQL is an object-oriented query language. Hibernate Query Language(HQL) is same as Structured Query language(SQL), except that in HQL we use entity class name instead of table name. HQL provides its own syntax and grammar Ex.   From Employee emp . Where Employee is an entity class which are Continue Reading »

Spring Security with OAuth2

  Spring Security provides comprehensive security services for J2EE – based enterprise software applications. It is powerful, flexible and pluggable. It is not Proxy server, firewall, OS level Security, Intrusion Detection System,  and JVM Security. OAuth is open authorization protocol, which allows accessing resources of the resource owner by enabling the client applications on HTTP Continue Reading »

Functional Interface and Lambda Expression

  Welcome to the tutorial of Functional Interface and Lambda expression. In this tutorial we will discuss fundamental concept of functional interface and lambda expression. Functional Interface : Functional Interface is just a interface with one abstract method, but it  can have any number of default and static method. Runnable and Comparable interface are the Continue Reading »

MongoDB Integration with Java

In this tutorial, we will discuss about how to integrate mongoDB with java client. 1. What is MongoDB ? MongoDB is a very popular NoSql open source database. It works on collection rather than table and document rather than row and column that provides, high performance, high availability, and easy scalability. Sample document :

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Getting Started with React Router

Routing concept is very importance in almost every web application’s architecture, which could not be left out in the React. Power of routing enables us to make a full fleshed single page applications with React. We can make use of React-Router for Routing in React. Setup and Installation We need: Node.js  and npm. create  a new project. React Router Continue Reading »