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Yearly Archives: 2012

Spring’s Web MVC – Redirect to the Memory Leak

spring-interview-questions-answers

They say that one rock can cause an avalanche. Lately, one of my Colleagues, Marcin Radoszewski, gave me such a rock. You’ll probably never guess what it is, but there is a chance, that you use it in many of your Web Applications. Allow me to introduce this rock to you. You probably well know redirect after post pattern. Using ...

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Wordcounter, Counting Words in Java with Lambdas and Fork/Join

These days I released Wordcounter, a Java library and command-line utility for counting words in text files and performing analysis on the word counts that makes heavy use of functional programming constructs and parallel computing approaches. This is my fourth entry for the “Geeky Quickies” contest at SAP, after Feeder, Todor, and Hanoier. The library uses JDK 8 lambdas, as ...

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Starting with Scala Macros: a short tutorial

Using some time during the weekend, I decided to finally explore one the new features in the coming Scala 2.10, macros. Macros are also written in Scala so in essence a macro is a piece of Scala code, executed at compile-time, which manipulates and modifies the AST of a Scala program. To do something useful, I wanted to implement a ...

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Writing Acceptance Tests for Openshift + MongoDb Applications

Acceptance testing are used to determine if the requirements of a specification are met. It should be run in an environment as similar as possible of the production one. So if your application is deployed into Openshift you will require a parallel account to the one used in production for running the tests. In this post we are going to ...

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Java Management Extensions

What is JMX? The Java Management Extensions (JMX) is an API used for managing or monitoring various resources such as applications, devices, services and of course the JVM. Developed through the Java Community Process (JCP), the JMX technology was built as Java Specification Request 3. The JMX technology provides with remote access, therefore the management of an application can be ...

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JAX-RS Bean Validation Error Message Internationalization

Introduction to Bean Validation JavaBeans Validation (Bean Validation) is a new validation model available as part of Java EE 6 platform. The Bean Validation model is supported by constraints in the form of annotations placed on a field, method, or class of a JavaBeans component, such as a managed bean. Several built-in constraints are available in the javax.validation.constraints package. The ...

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Android Hello World Example – How to develop android apps

In this tutorial, we will go through the necessary steps you need to take in order to develop your first Android application in Eclipse IDE using the ADT plugin and run it with an Android Virtual Device. The ADT plugin provides easy Android Project creation and management with rich editor features and documentation as well as Android Virtual Device (AVD) management.   ...

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How to Hire Geeks, Brand Your Shop, and Beat the “Talent Shortage”

As a recruiter of software engineers, I hear every day how difficult it is for software companies to find technical talent. If hiring engineers was easy, I wouldn’t be in business. Using a recruiter is one way to have qualified potential employees neatly packaged and delivered, but there are several other strategies that forward-thinking firms can implement to differentiate themselves ...

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  • Multithreading & Concurrency QnA
  • JPA Minibook
  • JVM Troubleshooting Guide
  • Advanced Java
  • Java Interview QnA
  • Java Design Patterns
The Spring Framework Cookbook
  • Learn the best practices of the Spring Framework
  • Build simple, portable, fast and flexible JVM-based systems and applications
  • Explore specific projects like Boot and Batch
The Spring Data Programming Cookbook
  • Learn how to use data access technologies and cloud-based data services
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The Selenium Programming Cookbook
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  • Learn JUnit integration and Standalone Server functionality
  • Find out the most popular Interview Questions about the Selenium Framework
The Mockito Programming Cookbook
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The JUnit Programming Cookbook
  • Learn basic usage and configuration of JUnit
  • Create multithreaded tests
  • Learn how to integrate with other testing frameworks
The JSF 2.0 Programming Cookbook
  • Build component-based user interfaces for web applications
  • Set up the environment and create a basic project
  • Learn Internationalization and Facelets Templates
The Amazon S3 Tutorial
  • Develop your own Amazon S3 based applications
  • Learn API usage and pricing
  • Get your own projects up and running in minimum time
Java Design Patterns
  • Learn how Design Patterns are implemented and utilized in Java
  • Understand the reasons why patterns are so important
  • Learn when and how to apply each one of them
Java Concurrency Essentials
  • Dive into the magic of concurrency
  • Learn about concepts like atomicity, synchronization and thread safety
  • Learn about testing concurrent applications
The IntelliJ IDEA Handbook
  • Kick-start your own programming projects using IntelliJ IDEA
  • Learn how to setup and install plugins
  • Create UIs with this Java integrated development environment
The Git Tutorial
  • Learn why Git differs from other version control systems
  • Explore Git's usage and best practises
  • Learn branching strategies
The Eclipse IDE Handbook
  • Explore the most widely used Java IDE
  • Learn how to setup and install plugins
  • Built your own projects up and running in minimum time
The Docker Containerization Cookbook
  • Explore the world’s leading software containerization platform
  • Learn how to wrap a piece of software in a complete filesystem
  • Learn how to use DNS and various commands
Developing Modern Applications With Scala
  • Develop modern Scala applications
  • Build SBT and reactive applications
  • Learn about testing and database access
The Apache Tomcat Cookbook
  • Explore Apache Tomcat open-source web server
  • Learn about installation, configuration, logging and clustering
  • Kick-start your own web projects using Apache Tomcat
The Apache Maven Cookbook
  • Explore the Apache Maven build automation tool
  • Learn about Maven's project structure and configuration
  • Learn about Maven's dependency management and plug-ins
The Apache Hadoop Cookbook
  • Explore the Apache Hadoop open-source software framework
  • Learn distributed caching and streaming
  • Kick-start your own web projects using Apache Hadoop
The Android Programming Cookbook
  • Explore the Android mobile operating system
  • Learn about services and page views
  • Learn about Google Maps and Bluetooth functionality
The Elasticsearch Tutorial
  • Explore the Elasticsearch search engine
  • Develop your own Elasticsearch based applications
  • Learn operations, Java API Integration and reporting
Amazon DynamoDB Tutorial
  • Develop your own Amazon DynamoDB based applications
  • Learn DynamoDB Concepts and Best Practices
  • Get your own projects up and running in minimum time
Java NIO Programming Cookbook
  • Learn features for intensive I/O operations
  • Follow a series of tutorials on Java NIO examples
  • Get knowledge on Java Nio Socket and Asynchronous Channels
JBoss Drools Cookbook
  • Explore Drools business rule management system
  • Follow a series of tutorials on Drools examples
  • Get knowledge on business rules for a shopping domain model
Vaadin Programming Cookbook
  • Explore Vaadin web framework for rich Internet applications
  • Learn the Architecture and Best Practices
  • Get knowledge on Data Binding and Custom Components
Groovy Programming Cookbook
  • Explore Apache Groovy object-oriented programming language
  • Create sample applications and explore interview questions
  • Get knowledge on Callback functionality and various widgets
GWT Programming Cookbook
  • Explore the open source Google Web Toolkit
  • Create sample applications and explore interview questions
  • Create and maintain complex JavaScript front-end applications in Java
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Amazon Elastic Beanstalk Tutorial
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  • Java Interview QnA
  • Java Design Patterns
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Apache ActiveMQ Cookbook
  • Explore Apache ActiveMQ Best Practices
  • Learn ActiveMQ Load Balancing and File Transfer
  • Develop your own Apache ActiveMQ projects