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" I am Johan den Haan, working for Mendix as CTO. This blog is personal, all opinions are mine and should be taken with a pinch of salt. I write about topics in the field of enterprise architecture and software engineering, like SOA, SOBA, MDE, MDA, MDD, DSL, etc. Johan den Haan on Twitter "

Welcome to Merit Campus. Merit Campus is a website which helps in learning and improving your programming skills using the Java programming language

Learn to program in Java and become a Java certified developer. Koenig Solutions is one of the leading IT training company that provides Java training in India, US, UK, and Dubai.

Learn to program in Java and become a Java certified developer. Koenig Solutions is one of the leading IT training company that provides Java training in India, US, UK, and Dubai.

The TypeScript compiler infers The type information when There is no explicit information available in The form of type annotations.

As we have learned in the cucumber testing, feature files are created with the executable test scripts. the language, in which these executable test scripts are written, is known as Gherkin language.

The NumberFormatException is thrown when we try to convert a string into a numeric value such as float or integer, but The format of The input string is not appropriate or illegal.

The most recent version updates of a programming language like Java are beneficial to many businesses trying to develop applications. These most recent Java improvements and additions have more precise syntax and provide tools to address challenging problems.

eGlobalSystems is one of the Promote leading IT Services and Core Java Online Training solutions along with IT Training conservatory, with latest Industry offering technology in Eglobalsystems Offering Core Java Real-time Online Training Classes For Weekend And Regular Batches For Individuals And Professionals. Eglobalsystems Offering Free DEMO/ Seminar On Core Java Access Control By Real Time Expert. Once Experience Our Free Sessions And Decide Further.

This blog host some of the good article on Java, FIX Protocol and Tibco Rendezvous messaging. I have shared Interview questions, daily tips, commands and approach on how to increase productivity and work effectively with these technology.

It is an open-source testing framework for java programmers. The java programmer can create test cases and test his/her own code. It is one of The unit testing framework. Current version is junit4. To perform unit testing, we need to create test cases.

There is a list of 20 jsp interview questions. If you know any jsp interview question that has not been included here, post your question in The Ask Question section. 1)What is JSP? Java Server Pages technology (JSP) is used to create dynamic web page.It is an extension to The servlet.A JSP is internally converted into servlet.

There is a list of 20 servlet interview questions. If you know any servlet interview question that has not been included here, kindly post your question in The Ask Question section. 1)How many objects of a servlet is created? 2)What is The life-cycle of a servlet?

JSF 2.0, CDI, Scala 2.8 using Eclipse, Maven and Tomcat Tools used: * JDK 1.6 * Maven 2.2.1 * Eclipse 3.5 * Eclipse Scala plugin (I am using nightly build - http://www.scala-lang.org/scala-eclipse-plugin-nightly) * m2eclipse plugin Download the source from here

Google provides a scalable application hosting environment called Google App Engine (GAE). One of the many benefits of GAE is that hosting small scale applications is 100% free. Google starts charging for hosting when your application resource requirements start to grow.

There is no migration system in vanilla grails (although possibly in Grails 2.0 …. ?) but There do exist several plugins that provide  some migration functionality. As of this post I am aware of three: dbMigrate, Liquibase, and Autobase. Of These, I prefer Liquibase and cannot recommend it enough. While it uses XML to describe its changesets it is a mature open-source Java project that works flawlessly (and has some excellent documentation). I did not have much luck using DbMigrate and Autobase when including in an existing project… which is a shame as Autobase (which is built on Liquibase) uses a nice DSL syntax to build The migrations.

"The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use. Top features: * Built-in stencils for diagraming and prototyping * Multi-page document with background page * Inter-page linkings! * On-screen text editing with rich-text supports * Exporting to HTML, PNG, Openoffice.org document, Word document and PDF. * Undo/redo supports * Installing user-defined stencils and templates * Standard drawing operations: aligning, z-ordering, scaling, rotating... * Cross-platforms * Adding external objects * Personal Collection * Clipart Browser * Object snapping * Sketchy Stencil * And much more..."

"Apache Lenya is an Open Source Java/XML Content Management System and comes with revision control, multi-site management, scheduling, search, WYSIWYG editors, and workflow. Please see some screenshots or try the Demo. "

"Support for mixed Scala/Java projects Thumb Support for mixed Scala/Java projects and any combination of Scala/Java project dependencies, allowing straightforward references from Scala to Java and vice versa. Editing Thumb A Scala editor with syntax highlighting, code completion, inferred type hovers, hyperlinking to definitions, error markers and more. Debugging Thumb Incremental compilation, application launching with integrated debugger, hyperlinking from stacktraces to Scala source, interactive console. Navigation Thumb Project and source navigation including Scala support in the Package explorer view with embedded outline, outline view, quick outline, open type, open type hierarchy."

This tutorial covers adding validations to forms during submission using Validator interface from Spring. This is part of the Spring MVC tutorial series.