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Spring MVC – Flash Attributes

spring-interview-questions-answers

Latest Spring Framework incarnation (3.1) brought interesting feature called Flash Attributes. It is remedy for the problem mentioned a long time ago, in one of my posts: Spring MVC – Session Attributes handling. This problem can be described in few words: if we want to pass the attributes via redirect between two controllers, we cannot use request attributes (they will ...

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Set up a Java EE 6 development environment

This tutorial explains in short how to set-up a typical environment to develop Java EE 6 based applications. There is no prerequesite to this tutorial other then a working Windows XP client with sufficient CPU power and memory. During the tutorial we will need to install the following components: Java 6 JDK Update 26 Eclipse IDE for Java EE Developers ...

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Android – Read file from Assets

Description: First of all, let me give you a link: AssetManager, through this class we can easily access any files lying inside the Assets directory of android application. (or any sub-folders inside the Assets directory). Now, we can have an object of AssetManager class by using getAssets() method: AssetManager assetManager = getAssets(); And the rest of the procedure i have ...

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Implementing Active Record Pattern with Spring AOP

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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Free Copies of Android books Giveaway Roundup

Hello fellow Java Geeks! Our first giveaway of Packt Publishing’s best selling books on Android has ended. The Prize Winners The 3 lucky winners that will receive the ebook prizes are (names are as appeared on their emails) : Nir M Cihad Emre Mark Lambert Each one of the 3 winners will recieve 2 copies (one of each ebook) of the following ...

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Introduction to Strong Cryptography

One thing that amazes me is that the most developers are not familiar with strong cryptography. In my career, I’ve seen all sort of mistakes that lead to leaked data, guessable passwords, unfortunate disclosures, and worse. The nice thing is, you don’t have to understand the ridiculously complex math behind the algorithms, you only have to know the rules for ...

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JBoss Drools – Getting started

This post will be about me getting to grips with JBoss Drools. The reasoning behind it is: SAP bought out my company’s current rules engine and Drools is one alternative we will be looking into as soon as someone has the skills to get a proof of concept up. Although there seems to be a fair amount of documentation, I ...

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