6.5 million software developers and still going strong

Java Developer Magazine

Subscribe to Java Developer Magazine: eMailAlertsEmail Alerts newslettersWeekly Newsletters
Get Java Developer Magazine: homepageHomepage mobileMobile rssRSS facebookFacebook twitterTwitter linkedinLinkedIn


Latest Articles from Java Developer Magazine
There are some books I think every CIO, IT Director, Enterprise Architect, Software Architect, Business Analyst, Developer, and Database Administrator should read. This book is one of them. This book is now part of that list. This book is not only packed with knowledge it also contain...
Introducing new products faster, reducing costs and increasing productivity continue to be top priorities for companies around the world and many of them are looking to Cloud computing to help meet these goals. Oracle's Cloud Application Foundation provides a unified platform across co...
If you are considering learning jQuery, this is a great place to start. The author starts the book with an introduction that puts jQuery in context and then helps you set up a development environment. Although I think most people reading this book should already be at a level of exper...
Organizations have started to see the value in discovering and harnessing the potential of the typically large amounts of information as well as data they generate and consume on a regular basis, all in ways that help their organizational goals and associated business models perform we...
In this example, we look at how real-time Web communications can work well with a non-blocking JavaScript back-end server and a NoSQL database. Our demo is a simple drawing app. If all you use is WebSocket with simple pub-sub messaging, you can already achieve pretty amazing things ...
In part 1 of this article, we covered writing web app load tests using multi–mechanize. This post picks up where the other left off and will discuss how to gather interesting and actionable performance data from a load-test. The big problem we had after writing load tests was that tim...
With PCs in the doldrums and high-definition screens becoming virtually universal Nvidia is changing tack. It’s going to license its GPU core technology and its visual computing patent portfolio in search of Android business and let device manufacturers tune the widgetry for their ow...
Many types of performance problems can result from the load created by concurrent users of web applications, and all too often these scalability bottlenecks go undetected until the application has been deployed in production. Load-testing, the generation of simulated user requests, is...
In a previous post we showed how we hooked up our blog’s WordPress application with the new Compuware APMaaS offering. Since WordPress is a PHP application we use PurePath for PHP to monitor it. We highlighted that we got an alert about a response time violation on some of our blog pos...
For a while now I have been writing about how to analyze and optimize Hadoop jobs beyond just tweaking MapReduce options. The other day I took a look at some of our Outage Analyzer Hadoop jobs and put words into action. A simple analysis of the Outage Analyzer jobs with Compuware APM ...
Our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats, decided to expand its market reach with an e-commerce site where its potential customers could choose, customize and order hats online. TescaraHats used an APM tool ...
When it comes to analyzing your web application’s performance, TraceView has already instruments a wide spectrum of Java components, such as application servers, frameworks and JDBC connections, all with the convenience of simply including TraceView Java agent jar in your JVM. However,...
n the cloud doesn't matter whether you are running on an Open Source platform or not - it is NOT free because you pay for the service. And for long Open Source project have been funded through the services premiums that you pay. I would argue that Open Source vendors have mastered the ...
Our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats, set up an e-commerce site in hopes of increasing its market share and boost its sales. This did not happen. TescaraHats learned quickly that there is much more to e-...
In an interesting exercise in sharing that begs to be plumbed, Marc Benioff, founder and CEO of cloud doyen Salesforce.com, has hired himself a president-cum-vice-chairman and where else would the wannabe-Larry Ellison look but among the veterans of Oracle, his alma mater. His pick i...
A recent study by analyst firm IDC reports that in 2012, 1.7 million cloud computing-related roles across the globe could not be filled due to the lack of training, certification and experience in the applicant pool. As the global demand for cloud and big data expertise increases, empl...
Join us for an exclusive briefing with Gartner where they will talk about how IT Executives are modernizing data centers and transforming operations to focus resources on business value. During the session they will discuss how innovative IT solutions are needed to help IT deliver ag...
Triggered by current expected load projections for our community portal, our Apps Team was tasked to run a stress on our production system to verify whether we can handle 10 times the load we currently experience on our existing infrastructure. In order to have the least impact in the ...
Last month, I went to my engineering school, where I graduated 15 years ago, to attend the Annual Gala. While there, I met a few young engineers who asked about my job. This raised a question: “What would make them join my team?” In the IT world, the demand for highly skilled software...
If you’re a regular here, you know how much we care about the full-stack view of applications. Today, let’s zoom in a bit, and talk about the performance of a single layer. In particular, let’s look at profiling in Python. As an example, let’s take this bit of code for calculating con...
In this talk, Kenrick explains how the Java 7 Programmer Certifications are designed, the certification path, and how to prepare for and take the exam. The candidates are supposed to have Java coding experience for at least 6 months or enough knowledge in basics. Most of the candidate...
This is the third episode of the mini-series on e-commerce performance management. Our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats, did not achieve the expected sales increase with its new e-commerce site. It offer...
In my recent article, "Five Steps to Improve E-Commerce Performance for Increased Sales: Introduction” I discussed problems encountered by our client TescaraHats (name changed for commercial reasons), a European market leader in manufacturing customized hats. The company quickly realiz...
Complexity is the new reality of web and mobile applications with almost no new release going out without the addition of services and applications spread across many different companies. But the reality of this new interrelationship is still the same: If a third-party Internet outage ...
The saying “if it doesn’t exist on the Internet, it doesn’t exist”[1] is ringing truer every day. Nowadays, it is hard to imagine most businesses without an e-commerce platform, let alone without a web presence at all. Since e-commerce is becoming the new standard, e-commerce performan...
Service Component Architecture (shortly referred as SCA) is a technology for creating services from components. SCA is a set of OASIS standards and part of it is developed with the collaboration of vendors from open source community, referred as “OSOA” Open SOA. SCA helps to build syst...
Here at AppNeta, we get to see a lot about how people build their web applications. From simple PHP scripts to heavily service-oriented Java clouds to monolithic Django apps, everybody’s product is architected a little differently. We’re still out to trace everything, and today I want ...
Adding more memory to your JVMs (Java Virtual Machines) might be a temporary solution to fixing memory leaks in Java applications, but it for sure won’t fix the root cause of the issue. Instead of crashing once per day it may just crash every other day. “Preventive” restarts are also j...
This review covers both Core Java Volume I--Fundamentals (9th Edition) and Core Java, Volume II--Advanced Features (9th Edition). Both books are part of the Prentice Hall Core Series. I actually got Volume II first and liked it so much I ordered Volume I. I felt like I was missing the...
Back in the misty eons of time, it used to be easy to measure the performance of your application. You’d grab a stopwatch, load up your web application, and see what happend. If it was slow, you’d look at the mess of PHP, HTML and CSS you crammed into index.php and make sure that you w...
A question that every online application provider will face eventually is: Does my application scale? Can I add an extra 100 users and still ensure the same user experience? If the application architecture is properly designed the easiest way is to put an additional server behind the l...
QASymphony is the company behind qTest, a new test management tool that’s aiming to empower test teams. As software development has increasingly moved towards Agile methodology, with its focus on fast delivery, thorough documentation has fallen by the wayside and test cycles have short...
We’re excited to announce three important changes to our TraceView pricing and product today. First, and most importantly, we are launching a free tier! Project includes all the data we collect on requests, hosts, service calls, JVMs and everything else, and we’re giving it away, free...
I started my career as a Telecom Engineer for Rational Software in the load testing space back in the late ’90s, and when I look back on the last decade, there were enormous advances in the broader IT world including development methodologies, processing speeds, network speeds, mobile ...
Things are moving fast for the Ruby language instrumentation in TraceView. We already support tracing of memcache-client, memcached, dalli, mongo, moped, mongoid, mongomapper, cassandra, ActiveRecord (postgres, mysql, mysql2) plus more. Most recently we added support for Rack and Resqu...
Predictive analysis start-up Skytree, which touts itself as “the machine learning company,” has raised a handsome, reportedly oversubscribed $18 million A round from US Venture Partners (USVP) and a so-called investor syndicate that include UPS, the giant delivery company, and Scott Mc...
There suddenly seems to be a run on API management start-ups. First Intel acquired Mashery. Then CA bought Level 7. Now six-year-old 3scale of Barcelona and San Francisco has gotten $4.2 million in funding from Javelin Venture Partners and Costanoa Venture Capital. The round is meant...
Our fundamental unit of performance data is the trace, an incredibly rich view into the performance of an individual request moving through your web application. Given all this data and the diversity of the contents of any individual trace, it’s important to have an interface for under...
OSGi is the latest component model to join the bandwagon of component models, which provides a platform for component oriented development and assembly. OSGi framework is a standards based platform whose specifications are provided by the OSGi Alliance (www.osgi.org, formerly OSGi was ...
Hibernate is one of the most used ORM Java frameworks out there. It is really simple to use, just add few annotations and you’re ready to go. However, it is also really easy to experience strange behaviors and bugs if you don’t respect Hibernate’s best practices. That’s why at Tocea we...