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Dan Domkowski08/21/14
1410 views
1 replies

Cloud Behind the Firewall: Private PaaS and FedRAMP

Is your organization experiencing pain points related to meeting FedRAMP requirements? Learn how companies like JPMorgan Chase and McKesson take advantage of a policy-driven platform without hampering innovation, and how the Federal Government can, as well.

Ayende Rahien08/21/14
4647 views
5 replies

Question 6 is a trap, a very useful one

In my interview questions, I give candidates a list of 6 questions. They can either solve 3 questions from 1 to 5, or they can solve question 6. Question 6 requires that you create an index for a 15 TB CSV file, and allow efficient searching on it. While questions 1 – 5 are basically gate keeper questions.

Adam Fowler08/21/14
2732 views
0 replies

MLJS 1.6 (Aug 2014) Released!

MLJS 1.6 (Aug 2014) has been released! Lots of features that are now even easier to use! This release includes a complete UI redesign, the completed workplace widget, major Node.js bug fixes and testing, extension points to allow developers to use plug-ins to extend MLJS without rewriting its code, and more.

Michael Crump08/21/14
4117 views
0 replies

My Angular App is Broken after Upgrading to the Latest Beta

I have been experimenting with AngularJS for a couple of months. After upgrading to 1.3.0-beta.18, I noticed the following code didn't work. I was previously using the latest stable build which is 1.2.22 as shown below:

Robert Diana08/21/14
4153 views
0 replies

Geek Reading August 20, 2014

These items are a combination of tech business news, development news and programming tools and techniques.

Alec Noller08/20/14
2307 views
0 replies

Dev of the Week: Topher Marie

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to Topher Marie, CTO and Co-Founder of JumpCloud.

John Ferguson Smart08/20/14
6261 views
4 replies

BDD, Automated Acceptance Tests and Continuous Delivery: Dealing with Scenarios that are "Work-in-Progress"

One of the principle rules of Continuous Delivery is that you should never knowingly commit code that will break the build. When you practice test-driven development this is easy: you write a failing test (or, more precisely, a failing "executable specification"), make it pass, and then refactor as required.

Alec Noller08/20/14
4602 views
0 replies

The Best of DZone: August 12 - 19

If you missed anything on DZone this week, now's your chance to catch up! This week's best include avoding Hibernate anemia, MongoDB at MachineShop, the release of Android Studio 0.8.6, part 3 of a series on MongoDB schema design, and the second set of AngularJS interview questions.

Michael Mainguy08/20/14
2136 views
0 replies

It's Not NoSQL Versus RDBMS, It's ACID + Foreign Keys Versus Eventual Consistency

The problem has to do with foreign keys, ACID compliance, and the overhead they incur. Ironically, this overhead actually has a potentially serious negative impact on scaleability. Moreover, our reliance on this model often blinds us to bottlenecks and leads to phantom slowdowns and inconsistent performance.

Benjamin Ball08/20/14
15848 views
22 replies

Java 9 Features Announced — What Do You Think?

JDK 9 features have been announced, and we want to know what you think about them! Are these features something you've been waiting for, or are you a bit underwhelmed? Do some of these proposals seem to go against improvements that you want? Post a comment and tell us!

Ricky Ho08/20/14
4430 views
0 replies

Lambda Architecture Principles

In this post, I'd like to summarize the key principles of the Lambda architecture, focus more in the underlying design principles and less in the choice of implementation technologies, which I may have a different favors from Nathan.

Reza Rahman08/20/14
3313 views
0 replies

Ed Burns' Servlet 4/HTTP 2 Session at JavaOne 2014

For the Java EE track at JavaOne 2014 we are highlighting some key sessions and speakers to better inform you of what you can expect, right up until the start of the conference. To this end we recently interviewed Ed Burns. He has been and is instrumental in pushing the JSF ecosystem forward as specification lead.

Lukas Eder08/20/14
1542 views
0 replies

The Difference Between ROW_NUMBER(), RANK(), and DENSE_RANK()

One of the most obvious and useful set of window functions are ranking functions where rows from your result set are ranked according to a certain scheme. There are three ranking functions: ROW_NUMBER(), RANK(), and DENSE_RANK(). The difference is easy to remember.

Gil Allouche08/20/14
13199 views
0 replies

Hadoop 101: An Explanation of the Hadoop Ecosystem

Hadoop is not a single piece of technology. It's composed of an entire ecosystem of tools companies can choose from to create their big data solution

Peter Zaitsev08/20/14
2557 views
1 replies

Getting My Hands Dirty on an OpenStack Lab

Like you all may know, OpenStack is currently one of the coolest open source projects, so I was thrilled when I was asked to manage the deployment of an OpenStack lab for internal Percona use. Starting from basically zero, I created tasks in our Jira and assigned them to a pool of volunteer consultants.