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Learnings from Five Years as a Skype Architect

Too often in our work as architects and designers we focus on the task at hand, seldom reflecting on the past. We should really know better, how else do we improve? This article by Andres Kutt summarizes six learnings from 55 months as an architecture team lead at Skype. Some of them are technical while some focus upon the softer aspects of an architect's work.

Andres Kutt
on Apr 28, 2010
NoSQL in the Enterprise

In this article, Sourav Mazumder explores what NoSQL databases are, how they fit into Enterprise IT, the challenges facing enterprise adoption, how to choose the appropriate NoSQL database for a given application, a short list of NoSQL databases which are likely to be good matches for enterprise applications, and advice for how to adopt NoSQL databases within an enterprise.

Sourav Mazumder
on Apr 21, 2010
Book Excerpt and Interview: jBPM Developer Guide

A new book by Mauricio "Salaboy" Salatino, the jBPM Developer Guide, provides a detailed jBPM programming guide for Java developers with several real-life examples. InfoQ spoke with Salatino to learn the motivations behind the book and learn from his experience both using and writing about the jBPM Business Process Management suite.

Boris Lublinsky
on Apr 15, 2010
Inotify: Efficient, Real-Time Linux File System Event Monitoring

The need to scan a given filesystem for changes is a fairly common one, and there are a variety of common tasks which need this. A framework which offers real-time event notification for Linux file system events is Inotify. In this article we will walk through how to use Inotify to monitor directories and trigger alerts on changes and present tools you might want to add to your personal toolbox.

Michael Prokop
on Apr 15, 2010
Code Contracts in C#

This article discusses the concepts and ideas of Code Contracts and the way they are handled in C#. Unless you happen to have used a language supporting Design by Contract before, you may sometimes find yourself unsure of how to proceed with Code Contracts. If you're using it in conjunction with Test Driven Development, what should you write first - the contract or the implementation?

Jon Skeet
on Apr 14, 2010
Java

Implementing Google's "Did you mean" Feature In Java

Leandro Moreira shows how to implement a domain specific version of Google’s “Did you mean” feature based on the SpellChecker project in the Apache Lucene sandbox using thee alternative algorithms (Levenshtein, Jaro-Winkler and N-gram).

Leandro Moreira
on Apr 09, 2010
Key Takeaway Points and Lessons Learned from QCon London 2010

This article presents the main takeway points as seen by the many attendees who blogged about QCon. Comments are organized by tracks and sessions: Keynotes, Tutorials, 2015 Software Development, Agile Evolution, AlphaGeeks on .NET, Architectures You've Always Wondered About, Pragmatic Cloud Computing, Cool Stuff with Java, Dev and Ops: A single team, Software Craftsmanship, NoSQL and many more!

Abel Avram
on Apr 06, 2010
Scaling Clojure Web Apps with Google AppEngine

InfoQ takes a look at how a combo of Clojure and Google AppEngine (GAE) powers a new online project management tool, how Clojure integrates with GAE's key/value store, and the power of LISP.

Werner Schuster
on Apr 05, 2010
Customizing Tables in MonoTouch

Tables are a staple in many iPhone applications. Although not a new invention in terms of application development, tables in the iPhone are very specific, given the constraints of the size of the device. Fortunately, Apple offers an easy way to customize tables, and this article explores working with the UITableView and UITableViewCell controls to create highly customized iPhone tables.

Bryan Costanich
on Apr 01, 2010
REST and SOAP: When Should I Use Each (or Both)?

Web developers today have a myriad of technologies they can choose from; for example, the two approaches for interfacing to the web with web services, namely SOAP and REST. Both approaches work, both have advantages and disadvantages to interfacing to web services, but it is up to the web developer to make the decision of which approach may be best for each particular case.

Mike Rozlog
on Apr 01, 2010
A Discussion with Allard Buijze on CQRS with the Axon framework

The Axon framework is a Java implementation of the Command and Query Responsibility Segregation. InfoQ talked with its creator, Allard Buijze, to find out more.

Josh Long
on Mar 24, 2010
Authorizing Process Access and Execution with JBoss jBPM

Centralized BPM deployments can greatly benefit from the ability to control access to process definitions and instances ensuring that users can use and monitor only a set of processes that they are authorized for. In this article Boris Lublinsky shows how to extend JBoss jBPM to define and support process access authorization.

Boris Lublinsky
on Mar 19, 2010

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