• submit to reddit
Antoine Girbal11/04/13
0 replies

MongoDB Indexing Tip #3: How to Deal with Too Many Fields

There are situations where your documents have many different fields and you want to be able to query efficiently on any of them. Say you have a document describing a person. Then you may want to find all people with blue eyes, or any other property. How can you use indexing to quickly resolve these queries?

Hüseyin Akdoğan11/04/13
0 replies

How to Integrate Apache Shiro into a Web Application

Apache Shiro can be used in a wide range of applications, from simple command line applications to medium- and large-scale institutional web applications, and is a strong Java Security Framework that performs authentication, authorization, cryptography and session management.

Seth Proctor11/04/13
0 replies

ZFS Support in Blackbirds 2.0

You've probably read about the new features in Blackbirds Release 2.0. The big ticket items include geo-distribution, automation, and java stored procedures. In addition to these awesome new features, NuoDB slipped in support for ZFS, specifically Native ZFS on Linux.

Alec Noller11/04/13
0 replies

How Can a Mac Mini Outperform a 1,636-Node Hadoop Cluster?

This recent article describes a hands-on performance comparison between GraphChi and a 1,636-node Hadoop cluster. The task set for both was to process a Twitter graph with 1.5 billion edges, and the result, surprisingly enough, was a significantly quicker processing time for GraphChi. How does that work?

Konrad Garus11/03/13
0 replies

Clojure on Pedestal

Yesterday I gave a two-hour talk at Lambda Lounge Kraków on Pedestal (and some ClojureScript).

Raji Sankar11/03/13
0 replies

Customization in Saas using Plug and Play (PnP) architecture

There exists a lot of design patterns, architectures and design concepts that can be applied to technical aspects of implementing a product. The Plug and Play architecture I want to describe in this article is a "Functional architecture", that defines a pattern to design the business functionality to get the most out of it.

Mitch Pronschinske11/03/13
0 replies

Amazon Reportedly Found a Better Deal w/ SDN Than Cisco Could Offer

Tech media keeps predicting that Cisco is going to be hit the hardest by the arrival of software-defined networking. According to a Business Insider article , that has already happened in a $1B deal with Amazon, which was dropped to only $11M.

Nicolas Frankel11/03/13
0 replies

My Case Against Autowiring

Autowiring is a particular kind of wiring, where injecting dependencies is not explicit but actually managed implicitly by the container.

Alec Noller11/03/13
0 replies

The Best of the Week (Oct. 25): Big Data Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Big Data Zone. This week's best include an exploration of one of the pioneers of AI, part two of an in-depth tutorial on building a distributed search engine, and a big collection of data science-related links.

Alec Noller11/03/13
0 replies

The Best of the Week (Oct. 25): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone. This week's best include a how-to for using MongoDB as a pure in-memory database, a tutorial to help you make major speed increases in MongoDB, and a discussion of labels, indexes, and so on in Neo4j 2.0.

Alec Noller11/03/13
0 replies

The Best of the Week (Oct. 25): Mobile Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Mobile Zone. This week's best include our most recent AskDZ question (what's your side project?), a book review on Windows Store app development, and a one-man game company's account of developing an Android game in 23 days.

Allen Coin11/03/13
0 replies

Best of the Week (Nov. 3): Agile Zone

Make sure you didn't miss anything with this list of the Best of the Week in the Agile Zone (week of Oct. 26 to Nov. 1).

Allen Coin11/03/13
0 replies

Best of the Week (Nov. 3): DevOps Zone

Think you may have missed some top DevOps posts this week? Here are the Best of the Week from the DevOps Zone:

Allen Coin11/03/13
0 replies

Best of the Week (Nov. 3): Performance Zone

Get caught up in the Best of the Week of the Performance Zone right here, right now.

Dattatreya Shekar11/02/13
0 replies

DevOps' Role in Troubleshooting JVM Issues

n this article, would like to share how a DevOps team can engage themselves proactively in analyzing the Java Applications.The running Java Applications can be profiled using appropriate tool to determine the memory consumption/usage of application along with observing the top most consumers of memory/CPU.