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HOW-TO: Quartz Scheduler with Clustering in JEE application with MySQL

Quartz Scheduler is one of the most popular scheduling library in Java world. I had worked with Quartz mostly in Spring applications in the past. Recently, I have been investigating ...
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Choosing a fast unique identifier (UUID) for Lucene

Most search applications using Apache Lucene assign a unique id, or primary key, to each indexed document. While Lucene itself does not require this (it could care less!), the application ...
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Android SwipeRefreshLayout Tutorial

In this post, we will describe SwipeRefreshLayout component. This component should be used whenever the user can refresh the UI using swipe gesture. In a previous post, we talked about ...
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SQL Server Trick: Circumvent Missing ORDER BY Clause

SQL Server is known to have a very strict interpretation of the SQL standard. For instance, the following expressions or statements are not possible in SQL Server:                   -- ...
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Jax-RS custom exception handling

One of the nice things about working with JEE is the components available really are pretty standard.  While using JAX-RS, sometimes you need to control how exceptions get processed ...
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Too Fast, Too Megamorphic: what influences method call performance in Java?

Whats this all about then? Let’s start with a short story. A few weeks back I proposed a change on the a Java core libs mailing list to override some methods which are currently final. ...
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Apache Solr real-time live index updates at scale with Apache Hadoop

Episode # 22 of the podcast was a talk with Patrick Hunt We talked about the new work that has gone into Apache Solr (upstream) that allows it to work on Apache Hadoop. Solr has support ...
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Design Your Agile Project, Part 5

This post is what you do when you are a program manager and not everyone knows what “agile” is, when you create a new product, when you are introducing that much cultural change? ...
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Ranges and slices

I guess we’ve all seen Dijkstra’s famous argument that a range of natural numbers should be expressed using an inclusive lower bound and exclusive upper bound, and that, ...
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10 Articles Every Programmer Must Read

Being a Java programmer and Software developer, I have learned a lot from articles titled as What Every Programmer Should Know about ….. , they tend to give a lot of useful and ...
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