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Virtual Panel: NoSQL Database Patterns and Polyglot Persistence

NoSQL database space has different databases that support different data storage patterns. InfoQ spoke with four panelists about the current state of NoSQL adoption, architecture patterns supported by different NoSQL databases, polyglot persistence and security aspects when using NoSQL databases.

Srini Penchikala
on Jul 03, 2012
Java 8 vs Scala: a Feature Comparison

This article explores some of Java 8’s new features, using both Java’s proposed syntax and Scala. We cover lambda expressions, higher-order functions, parallel collections and virtual extension methods aka traits. Besides this, we will provide insights into the new paradigms integrated in Java 8, such as functional programming.

Urs Peter Sander van den Berg
on Jun 29, 2012
What’s new in Groovy 2.0?

The newly released Groovy 2.0 brings key static features to the language with static type checking and static compilation, adopts JDK 7 related improvements with Project Coin syntax enhancements and the support of the new “invoke dynamic” JVM instruction, and becomes more modular than before. In this article, we’re going to look into those new features in more detail.

Guillaume LaForge
on Jun 28, 2012
Implementing Aggregation Functions in MongoDB

In this article, authors Arun Viswanathan and Shruthi Kumar discuss how to implement common aggregation functions on a MongoDB document database using its MapReduce functionality. They also discuss a typical application of aggregations which includes business reporting of sales data.

Shruthi Kumar Arun Viswanathan
on Jun 20, 2012
Testing SQL Server Code with TST

Automated Testing (unit/integration) is an integral part of any agile development process. However a project with significant logic housed in database code creates severe constraints to writing unit level tests, especially if it is large, complex and depend on data. We will explore the TST framework and a few ideas for writing and maintaining good tests for database code.

Roopesh Shenoy
on Jun 18, 2012
Interview with Alessandro Del Sole, Author of LightSwitch Unleashed

Visual Studio LightSwitch is Microsoft’s attempt to offer a tool that people with little or no programming experience to create simple and effective line-of-business applications. We spoke with Alessandro Del Sole, author of Microsoft Visual Studio LightSwitch Unleashed, to get some more insights into the product.

Jonathan Allen
on Jun 15, 2012
DevOps:Evolving to Handle Disruption

With continued concerns regarding IT’s ability to meet the demands of the business in light of disruptive influences and a changing economic landscape DevOps might hold an answer.

JP Morgenthal
on Jun 13, 2012
A Look At Elemental Design Patterns

Jason McC. Smith speaks with InfoQ regarding his new book, "Elemental Design Patterns", and details his approach to evolving how design patterns are documented.

Jeff Martin
on Jun 07, 2012
AI, ML & Data Engineering

Data Modeling: Sample E-Commerce System with MongoDB

The rich document capabilities and atomic operation guarantees in MongoDB makes it possible to model many different applications. Even rigorous requirements of conventional applications like e-commerce system are possible in a document database. This data model (i.e. "schema design,") is useful for developing applications around any restricted resource system, not just e-commerce systems.

Christian Kvalheim
on Jun 06, 2012
First Steps in Unit Testing

Unit testing goes hand in hand with other agile practices, so starting to write tests is a stepping-stone for organizations wanting to go agile. The road is long, but is worth taking. In this article, Gil Zilberfeld cover tips on what to expect, and steps to take when starting out in order to make unit testing a part of development life.

Gil Zilberfeld
on Jun 05, 2012
CAP Twelve Years Later: How the "Rules" Have Changed

The CAP theorem asserts that any networked shared-data system can have only two of three desirable properties (Consistency, Availability and Partition Tolerance). In this IEEE article, author Eric Brewer discusses how designers can optimize consistency and availability by explicitly handling partitions, thereby achieving some trade-off of all three.

Eric Brewer
on May 30, 2012
Interview with Mathew MacDonald, Author of Pro Silverlight 5 in C#

We spoke with Matthew MacDonald about Silverlight’s role in the developer’s toolbox and how that role is shifting from cross-platform development to line of business applications. Also covered are some of the highlights from Silverlight 5 and a sample chapter on Silverlight animation from his book.

Jonathan Allen
on May 29, 2012

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