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antlr-logo

Playing with ANTLR4, Primefaces extensions for Code Mirror and web-based DSLs

DSLs are cool things, but it wasn’t clear to me what they were good for. Then I realized they are good for:get rid of complex UIswhich meansfaster way to do thingsThat’s it.  I’ve came to this conclusion ...
aspectj-logo

Project Student: Simplifying Code With AOP

This is part of Project Student. Many people strongly believe that methods should fit within your editor window (say, 20 lines), and some people believe that methods should be even smaller than that. The idea is that a method shou ...
neo4j-logo

Neo4j Backup: Store copy and consistency check at Mark Needham

One of the lesser known things about the Neo4j online backup tool, which I wrote about last week, is that conceptually there are two parts to it:Copying the store files to a location of your choice Verifying that those store fil ...
apache-lucene-logo

Finding long tail suggestions using Lucene’s new FreeTextSuggester

Lucene’s suggest module offers a number of fun auto-suggest implementations to give a user live search suggestions as they type each character into a search box. For example, WFSTCompletionLookup compiles all suggestions and ...
heroku-logo

Continuous Delivery for Heroku With Jenkins

A continuous delivery pipeline that leverages Jenkins and targets Heroku is fairly simple to set up, provided you install the Jenkins Git plugin. With this pipeline, changes to a specific Git branch will result in a Heroku deploym ...
redis-logo

Simple Message Queue using Redis

In this posts we will use Redis as a simple message queue, using list commands. Let’s say we have an application that allows the users to upload a photo. Then in the application we display the photo in different sizes like Thumb ...
spring-logo

What’s new in Spring

Let’s check on some new releases announced by the Spring community over the previous days:Spring Boot 1.0.0.RC1 Spring was pleased to announce the first release candidate of Spring Boot v1.0.0. It contains a number of bug ...
spring-roo-logo

Proof-of-Concept Using Spring Roo

In my time with Keyhole, I’ve been involved in a number of projects where the client was asking us to rewrite a legacy system while retaining their existing database. Sometimes it helps to give a quick demo on how using current ...
enterprise-java-logo

TestNG: Run tests sequentially with @DataProvider inside one test class

Many java developers and automation test engineers use TestNG as a testing framework in their job. I’m not an exception. This is an obvious choice because TestNG provides very powerful set of tools which makes working with all k ...
jboss-drools-logo

Drools : PHREAK Stack Based Evaluations and Backward Chaining

A while back I wrote a blog on our new algorithm: http://blog.athico.com/2013/11/rip-rete-time-to-get-phreaky.html Someone asked me about the new stack based system, and how backward chaining works. I replied to them in an email, ...
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