InfoQ Homepage News
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Presentation: Linda DeMichiel on EJB 3 & JPA
In this talk from last year's QCon London, Linda DeMichiel, who has been leading the EJB spec since the 1.0 days, presents EJB3 with a focus on JPA. The talk covers key aspects of the Java Persistence API and its role in the development of EJB 3.0 apps, including use of the EntityManager API, persistence units and persistence contexts, queries, object/relational mapping, etc.
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How-to Make your AJAX Applications Scream on the Client
AJAX is hot, no one will argue, but what is often the case is your Web 2.0 applications don't perform as well as you had hoped. Learn how a few simple optimizations can help.
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Consistency vs. availability: eventual consistency by Werner Vogels
Until the mid nineties, achieving distribution transparency and data consistency has often been the priority. As large Internet systems started to arise, availability became another important concern to be taken into consideration. Werner Vogels outlines some principles, abstractions and consistency/availability trade-offs related to large scale data replication with focus on eventual consistency.
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BPEL4People and WS-HumanTask Head To OASIS
John Evdemon, co-chair of the WS-BPEL technical committee, has announced that BPEL4People and WS-HumanTask are going to OASIS. Adding a standard approach to human interaction support to WS-BPEL is something many people have been asking for and this could be the solution.
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Engine Yard Takes $3.5 Million Series A From Benchmark Capital
Pioneering Ruby on Rails-hosting company Engine Yard has taken $3.5 million Series A in a round led by the prominent VC firm Benchmark Capital. Benchmark is responsible for early stage funding of some very successful startups such as eBay, Linden Labs, Yelp and Zillow. The move strikes confidence into the hearts of Ruby fans everywhere.
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Ruby 1.9 - When Will It be Production Ready
Ruby 1.9 is out - but it's not yet intended to be used in production systems. The release tag had one effect: more developers are actually giving it a spin and try to run their applications and libraries and update them for the new version. We looked at how well Ruby 1.9 fares in this aspect.
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File System Transactions - still a problem area?
Historically transaction-processing systems have relied primarily, if not solely, on databases to handle the ACID aspects of any IO activities that required to be transactional. The support for transactions for file system operations has been weak at either the libraries/frameworks, languages or file system levels. Lately, this situation is starting to show signs of improvement.
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Why Crunch Mode Doesn't Work
Evan Robinson recently posted an article on why the practice of 'crunch time' doesn't work. Despite a century of studies showing that long-term output is maximized near a five-day, 40-hour work week, projects still hit the crunch usually to the detriment of the team. InfoQ looks at why crunch time is still so prevalent in the software industry and, if we know it's bad, why do we still do it?.
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Debate: Should the Java language stop adding new features?
Recently, there has been a lot of debate over the future of the Java platform, with some arguing for more features to compete with languages such as C# and Ruby, and others saying that Java should become a more stable language lest it become too complicated to use. Bruce Eckel started a new round of debates by stating that Java should stop adding new features entirely.
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InfoQ Interview: Jimmy Nilsson on LINQ to SQL
Floyd interviews Jimmy Nilsson on Microsoft's data access mechanism, LINQ to SQL.
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Who needs GWT On Rails?
Rails and GWT are both hiding Javascript manipulation from the Ajax development cycle. GWT chose to solve that by using a compiler which will convert Java into browser-compliant JavaScript and HTML. By using GWT On Rails plugin and its Client generator, you'll be able to make GWT Client communicate with Rails.
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WPF and F#
Yesterday we told you about using PHP.NET with Silverlight. The GUI framework for Silverlight, WPF, represents the future of Windows development. So it is understandable that F# developers would be looking at it with a keen eye as well.
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Component Composition Strategies and Tactics
With the advent of Spring and the development of the Dependency Injection pattern, Component Technologies have started providing advanced composition mechanisms. In the past month IBM and SAP published related articles exploring the modern strategies and tactics to develop composite business solutions.
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Presentation: Managing a high performance rails app without tearing your hair out
Rails has gained popularity for its clean implementation of MVC and slick APIs. But what happens when your Rails app grows up, gets popular but can't keep up with requests? This presentation by James Cox will get you started with optimizing web applications by giving practical tips and pointing out common bottlenecks.