Multi-Region Replication for Disaster Recovery Replicate state between different deployed Spaces, where each Space can be physically located in a different geographical location. Why Multiple site replication? Disaster recovery. Maintaining Global data per site. WAN Gateway Features The GigaSpaces WAN Gateway features the following: Total data consistency, ordering with no data loss Conflict resolution support — Identifies data…

Day 1 Agenda Initial introduction Scope of Training Pre-test Kickoff Lets understand need of Gigaspaces XAP? Why ? Challenges - Working with DB - Latency - Resilience - Messaging - Cross Platform Interaction What? Cross language platform Java C# .NET C++ High Availability and Fault tolerance Async Persistence Multisite replication Data Grid Architecture The GigaSpaces data grid is built…

What is the back-end? We can think of back-end as applications that communicate with one another. In web development, back-end is a service that sends data to the front-end. When we create a front-end application, we create an interface for the user to interact with. …

JavaScript was originally designed to be used purely on the front end as a way for web developers to add functionality to their web pages Introduction of the “V8 engine” by Google has improved the speed and functionality of JS. That led to the development and release of exciting new…

HTML and CSS simplified CSS Styling Language Selector { property: value; property: value; } Many ways to achieve same result Priority (Tag > ID > Class >Element) Color — Hexadecimals (#FFFFFF, #RGB(255,255,255,1)) 1. Inline CSS First off, we can include CSS directly in our HTML elements. …

Testing the smallest piece of code that can be logically isolated in a system Developer can do quick and flexible test of his change. Annotations: @Test — Identifies a method as a test method. @Before — Executed before each test. It is used to prepare the test environment (e.g., …

How Spring MVC works? How to make a RestController ? What is BOM? why embedded tomcat server? Convenience/Standalone Tomcat Config Microservices Resources Clone repository from https://mkyong.com/spring-boot/spring-rest-hello-world-example/.

Java’s Strength : Collections Multithreading Intent for today’s session Concepts Interview Q Variations of Hashtable: Hashmap Hashtable Linkedhashmap ConcurrentHashMap General contract associated with hashCode() method The hashCode() method should return the same integer value for the same object for each calling of this method unless the value stored in the…

Why learn knapsack? — Knapsack 01 Unbounded Solve problems using knapsack: 2 Coin Problems Rod cutting problem Stock Market Max Profit Problem Max ribbon cut problem ………. What is DP? Overlapping sub problems optimal substructure 2^n -> m*n What is Knapsack solution? Pick every possible solution to find optimum solution Store and use already solved problem results 0/1 Knapsack: Problem Description: