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Xavier Padró
Works at Everis
Lives in Barcelona
135 followers|631,090 views
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Xavier Padró

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MongoDB aggregation framework is designed for grouping documents and transforming them into an aggregated result. The aggregation query consists in defining several stages that will be executed in a pipeline. If you are inter...
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Multi level grouping with Java 8 streams
1 Introduction With Java 8 streams it is pretty easy to group collections of objects based on different criteria. In this post, we will see how we can make from simple single level groupings to more complex, involving several...
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Xavier Padró

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1   Introduction In previous posts we learned how to configure a project using Spring JMS. If you check the article introduction to messaging with Spring JMS, you will notice that it is configured using XML. This article will...
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1   Introduction In many cases, using implicit locking is enough. Other times, we will need more complex functionalities. In such cases, java.util.concurrent.locks package provides us with lock objects. When it comes to memor...
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1   Introduction The purpose of this post is to implement an HTTP Restful API using Spring Integration HTTP inbound adapters. This tutorial is divided into two parts: XML configuration example (this same post). Java DSL exam...
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Xavier Padró

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Grouping, transforming and reduction with Java 8
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Understanding Callable and Spring DeferredResult #Spring  
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1   Introduction Imagine we have an application that needs to access an external web service in order to gather information about clients and then process it. More specifically, we can’t get all this information in a single i...
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1   Introduction In the previous part of this tutorial, we implemented an application exposing a Restful API using XML configuration. This part will re-implement this application using Spring Integration Java DSL. The applica...
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Fourth part of the Java Concurrency Tutorial
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People
In his circles
20 people
Have him in circles
135 people
Héctor Díaz's profile photo
shafiq ahamed's profile photo
Hector Ardila López's profile photo
Barcelona Jug's profile photo
Anil Kumar's profile photo
Tom Graves's profile photo
dinesh jakhar's profile photo
Dinesh Shende's profile photo
Fátima Casaú's profile photo
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Barcelona
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Software Engineer
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  • Everis
    JEE developer, present
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Xavier Padró's +1's are the things they like, agree with, or want to recommend.
Lorem ipsum dolor sit amet - Clean Lilas
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed egestas tincidunt ornare. Nunc tristique, libero vitae laoreet fringilla, dui t

Mickey Mouse Caravan
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One of my most Favorite Episode from Mickey Mouse. Mickey Donald & Goofy Caravan Episode

NR2003 - Aero88 #24
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'The Big One' early in the race...

Cars Movie Soundtrack (Sheryl Crow - Real Gone)
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Sheryl Crow - Real Gone from the Disney/Pixar animation Cars Made for my Son who loves the film and the soundtrack.Feedback appreciated :)