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Michael Mainguy08/02/12
5591 views
0 replies

equals and hashCode for Dummies (Again)

In Java, writing equals and hashcode methods are perennial problems. Newbies and experts alike are confounded when things go haywire and troubleshooting problems can be extremely difficult.

Abhishek Jain08/02/12
4118 views
0 replies

Hurdles to Your First Hadoop Cluster

We were working on setting up our first Hadoop cluster. Though there are many online documentation on this even then we faced a few challenges getting with it.

Will Soprano08/02/12
9768 views
0 replies

Browser Wars: Chrome vs. IE10 on Win7, 8 & Metro

The results are in: which web browser is the fastest? These are the JavaScript performance numbers. There's also a nice surprise at the bottom of the article.

James Sugrue08/02/12
4137 views
11 replies

Thursday Code Puzzler: Return the Factorial

Thursday is code puzzler day here at DZone, and today's challenge is to write a function that calculates the factorial of a given number.

Toni Petrina08/01/12
3957 views
0 replies

Should We Have a Choice Between Marketplaces on the Same Platform?

Recent outburst by Gabe Newell, owner of Valve – the company behind Steam digital publishing platform for PC and Mac, against Windows 8 and its closed Marketplace model, prompts one to think about the need for a second marketplace.

Anders Abel08/01/12
126549 views
13 replies

Programmer Time Translation Cheatsheet -or- Why Programmers Are Bad at Estimating Times

An experienced project manager I used to work with claimed that he took the programmers’ time estimates, multiplied by pi and converted to the next time magnitude to get the true number. He had learned the hard way that programmers are bad at estimating times.

Michael Mccandless08/01/12
14071 views
0 replies

Building a New Lucene Postings Format

As of 4.0 Lucene has switched to a new pluggable codec architecture, giving the application full control over the on-disk format of all index files. We have a nice collection of builtin codec components, and developers can create their own such as this recent example using a Redis back-end to hold updatable fields.

Eric Genesky08/01/12
3406 views
0 replies

More on Measuring the Continuum of Big Data Value

Recall that in the world of Big Data, our fundamental assumption is that data no longer resides in a static database for its entire life.

Alex Soto08/01/12
10678 views
0 replies

Build Flow Jenkins Plugin

Build Flow enables us to define an upper level flow item to manage job orchestration and link up rules, using a dedicated DSL. Learn to harness this awesome plugin.

Markus Eisele08/01/12
3291 views
1 replies

The Heroes of Java: Bauke Scholtz

Bauke Scholtz is more commonly known under his nickname "BalusC". With nearly 12k answers on stackoverflow.com and a quite impressive contribution to the JSF community whenever possible.

Partha Bhattacharjee08/01/12
6105 views
7 replies

Move to Maven 3.0.4

I have been using Maven for ages now. I was running on 3.0.3 till last week. Being a Maven evangelist it is unlike of me to have not moved onto the latest version for so long.

Sadayuki Furuhashi08/01/12
3808 views
0 replies

Heroku Users Can Now Access Treasure Data Analytics Platform

Treasure Data Hadoop Add-on lets Heroku users access the Treasure Data cloud-based data analytics platform without worrying about scalability, data integrity or uptime.

Moshe Kaplan08/01/12
4549 views
0 replies

Optimize MySQL and Schedule Maintenance with MySQL Tuner

Once in a while it is worthwhile to take care of your database and verify it can provide the needed resources for your system. After all, most of the data may be stored in it...

Lukas Eder08/01/12
657 views
0 replies

Annotatiomania™, or Why Did Hibernate/JPA Get So Complex?

If a technology starts doing things like “@AttributeOverrides”, then something IS smelling fishy. Is anyone out there actually willing to mess around with gazillions of annotations on simple methods?

Pushpalanka Jay...08/01/12
9141 views
0 replies

Running Cassandra in a Multi-node Cluster

This post gathers the steps I followed in setting up an Apache Cassandra cluster in multi-node. I have referred Cassandra wiki and Datastax documentation in setting up my cluster. The following procedure is expressed in details, sharing my experience in setting up the cluster.