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What is Spring Data?

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(This is related to Project Student and I will revisit this topic later.) Spring Data came up in passing in several recent interviews. What is Spring Data? To answer that let’s consider the standard approach to persistence – all access is made via Data Access Objects (DAOs). This completely isolates the rest of the system from the specific details of ...

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MVP – Minimum Viable Product strategy

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Not all good ideas turn out into great products.  There are quite a few products that fail in the market due to a variety of reasons.  But does it stop us from investing in the Products? How do we find out if a Product is going to be a hit in the market?  And more importantly how do we find ...

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Using more than one property file in Spring MVC

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Everybody heard about portals which combine single web applications to a big one. A portal software works like mashups – content from several sources is picked up in a single service, mostly displayed in a single web page. A portal software also allows to change user settings, such as language or theme, across all single web applications (independent modules) embedded ...

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Project Avatar – The next Java EE Feature?

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It is this time of the year again. Christmas holidays are approaching fast and the Java Advent Calender is filling up constantly. Today it’s on me to write my surprise post. I’m Markus, also known as @myfear and I’ve been working with and around Java EE and a bunch of related servers since many years. Beside the daily work I ...

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On three-legged elephants

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I’ve often argued that good design—of a language, library, or framework—isn’t about packing in as many features as possible into your solution, rather it’s about discovering a small set of interlocking features that act to reinforce each other. That is to say, we want to maximize the power/expressiveness of our solution, while simultaneously minimizing the surface area. I am, furthermore, ...

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Introducing Accord: a sane validation library for Scala

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Accord is an open-source (Apache-licensed) Scala validation library developed at Wix. It’s hosted on GitHub and you’re welcome to fork and dig into it; let us know what you think! Why another validation library As we were transitioning from Java to Scala we’ve started hitting walls with the existing validation libraries, namely JSR 303 and Spring Validation. While there are ...

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Twitter CLI, using Twitter in your console

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Twitter CLI is a command-line power tool for Twitter. The CLI takes syntactic cues from the Twitter SMS commands, however it offers vastly more commands and capabilities than are available via SMS. Twitter CLI is backed by ruby, so you can run it on any platform that installed ruby runtime environment. Features Deep search: Instead of using the Twitter Search ...

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Spring REST: Exception handling vol. 1

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Table of contents Spring REST: Exception handling vol. 1 Spring REST: Exception handling vol. 2 Spring REST: Exception handling vol. 3 Hi everyone, it’s time to continue publish new articles in my blog. So I’m happy to announce that I’m planning to write a couple of technical series of posts. In the current post I’m going to start talking about ...

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Workshop on Creating a Personal MusicManager Web Application with Struts2, Hibernate and MySQL

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Overview: In this workshop tutorial we’ll develop a personal music manager application using Struts 2, Hibernate and MySQL database. The web application can be used to add your music collection to the database. We’ll display form to add the record and underneath we’ll show all the music collections. From each row the record can be deleted by clicking ‘Delete’ link. ...

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A Popup Editor for JavaFX 8

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For the last couple of months I had the pleasure of working with JavaFX 8 in order to implement a sophisticated user interface for a planning and scheduling application. One of the features needed was a way to perform “in-place” editing, meaning a way to quickly edit some basic attributes of a user selected object. Following the principle “if you ...

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