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Spring Hibernate Tutorial

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1. Introduction In this post, we shall demonstrate how to leverage the power of one of the most popular ORM (object-relational mapping) tool, Hibernate which facilitates the conversion of an object-oriented domain model to a traditional relational database. Hibernate is one of the most popular Java frameworks out there. For this reason we have provided an abundance of tutorials here ...

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The Promises, Payoff, and Products of Hybrid Clouds

java-interview-questions-answers

The cloud promised to provide us all flexibility. The opportunity to access infinite resources as and when we need them and pay accordingly. We would no longer have to spend time installing, configuring and maintaining servers; we were promised more time to “just code.” Instead, we got increasing vendor lock-in and a handful of cloud players so large that if ...

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How to Find K Missing Numbers in Integer Array With Duplicates in Java?

It’s been a long time since I have discussed any coding or algorithm interview questions, so I thought to revisit one of the most popular array based coding problem of finding missing numbers in given array. You might have heard or seen this problem before on your programming job interview but there are a lot of different versions of increasing difficulty levels which ...

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Introduction to Spring Cloud – Config (Part I)

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1. Overview Spring Cloud provides tools for developers to quickly build some of the common patterns in distributed systems (e.g. configuration management, service discovery, circuit breakers, intelligent routing, micro-proxy, control bus, one-time tokens, global locks, leadership election, distributed sessions, cluster state). It helps manage the complexity involved in building the distributed system. 2. Microservices Microservices is a software development architectural ...

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The Manager’s Role in an Agile Transformation

Agile transformations are tough. That’s because wherever you start, the agile transformation creates culture clashes. Often, teams start with agile approaches. Teams discover the agile approach and practices that work for that team. Then, as the team gains experience, they refine their approach and practices. That’s the external part of what we see in an agile transformation.     However, ...

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The Product Owner is dead, long live the Product Owner!

For years I have been using this picture to describe the Product Owner role. For years I have been saying: “The title Product Owner is really an alias. Nobody should have Product Owner on their business cards. Product Owner is a Scrum defined role which is usually filled by a Product Manager or Business Analyst, sometimes it is filled by ...

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Gaining Deeper Insights with Data Science

If you’ve seen any tech job listings within the past year or so, odds are you’ve seen a description that contains the words data science or data scientist. Data science isn’t as much of a buzzword these days as it is a source of confusion. What exactly does a data scientist do? Do they wear lab coats and work under ...

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