Home » Author Archives: Alex Soto (page 4)

Author Archives: Alex Soto

Using slf4j with logback tutorial

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In current post I am going to show you how to configure your application to use slf4j and logback as logger solution. The Simple Logging Facade For Java (slf4j) is a simple facade for various logging frameworks, like JDK logging (java.util.logging), log4j, or logback. Even it contains a binding tat will delegate all logger operations to another well known logging ...

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Hibernate Performance Tips: Dirty Collection Effect

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After 8 years developing server and embedded applications using Hibernate as ORM, squeezing my brain seeking solutions to improve Hibernate performance, reading blogs and attending conferences, I decided to share this knowledge acquired during these years with you. This is the first post of many more posts to come: Last year I went to Devoxx as speaker but also I ...

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Implementing Active Record Pattern with Spring AOP

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During class design we should take decisions about the assignment of responsibilities that will have every class. If we have chosen well, systems tend to be easier to understand, maintain and extend. Almost all of our projects have a persistence layer, either relational database, document stores, or simply XML files. And typically you will use DAO pattern to implement abstract ...

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Redmine Installation & Getting Started Guide

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Redmine is a free and open source, flexible web-based project management and bug-tracking tool, written using the Ruby on Rails framework. Redmine supports multiple projects, with its own wiki, forum, time tracker and issues management. Moreover Redmine implements a plugin platform so can be customized depending on your requirements. Exists plugins to work with Kanban, Scrum, notification plugins or reports. ...

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OAuth with Spring Security

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From Wikipedia: OAuth (Open Authentication) is an open standard for authentication. It allows users to share their private resources (e.g. photos, videos, contact lists) stored on one site with another site without having to hand out their credentials, typically username and password. There are a lot of posts talking about OAuth from Client Side, for example how to connect to ...

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Hibernate cache levels tutorial

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One of the common problems of people that start using Hibernate is performance, if you don’t have much experience in Hibernate you will find how quickly your application becomes slow. If you enable sql traces, you would see how many queries are sent to database that can be avoided with little Hibernate knowledge. In current post I am going to ...

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Using Groovy – A soft introduction

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Groovy is an object-oriented programming language for the Java platform and can be used as a scripting language. Most of us but instead of using Groovy alone, we use Grails (web framework based on Groovy) for developing web applications. But Groovy can be used standalone for developing your internal tools. Let me explain why Groovy scripts have simplified our development ...

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Git DVCS – Getting started

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Git is a distributed revision control system, where every working directory is a full-fledged repository with complete history and full revision tracking capabilities. Git is categorized as DVCS (Distributed Version Control System), because is not dependant on a central server. So the academic way for working with Git is pushing/pulling data from/to each developer repository. This works in small teams ...

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Spring MVC and REST at Google App Engine

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Some time ago I wrote about how to implement your Restful Web API using Spring MVC. Read my previous post to know about it. In that post it was developed a simple Rest example. For testing the application, file was copied into a web server (Tomcat for example), and then accessing to http://localhost:8080/RestServer/characters/1 information of character 1 was returned. In ...

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Develop Restful web services using Spring MVC

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REST INTRODUCTION From Wikipedia: REST-style architectures consist of clients and servers. Clients initiate requests to servers; servers process requests and return appropriate responses. Requests and responses are built around the transfer of representations of resources. A resource can be essentially any coherent and meaningful concept that may be addressed. As you have read the most important thing in Rest architecture ...

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