Happening Today – GPU supercomputing in finance is about doing things faster than ever before. Trading is already mostly real-time, because it pays to be there first, ahead of the other guy. And even those aspects of finance that are not yet real-time (currently risk and compliance often lag behind trading), they are moving to real-time as well. In fact, the whole world seems to be moving to real-time; finance will simply get there first because the incentives are so great. Andrew Sheppard hosts. Register for this webcast now.
In this interview, California CIO Teri Takai talks about how California is taking on data center consolidation, green tech, scaling legacy systems and more. Her perspectives are of interest to many observers now that she's been nominated to become assistant secretary for Networks and Information Integration at the Department of Defense. Read more.
What's new in O'Reilly Answers: Accelerometers and gyroscopes, Google Docs, implementing iAd, disaster recovery, and more!
Pick up a modern mobile phone -- an iPhone or Android device will do -- and think about it for a second. It senses where it is. It knows how to calibrate based on its physical location. This brief Q&A; Alasdair Allan, author of Learning iPhone Programming and the upcoming Programming iPhone Sensors digs into questions about mobile-based accelerometers and gyroscopes. Read more.
"A recent report on chronic disease and the Internet by the Pew Internet and American Life Project and the California HealthCare Foundation showed that people fighting such illnesses are using social media to find information and connect with others who suffer similar ailments," writes Alex Howard (@digiphile) on Mashable. In his column, Howard, O'Reilly's Gov 2.0 correspondent, offers five innovative examples of online services, platforms or projects that are working to provide a means for patients and citizens to share their experiences. Read more.
This week saw the release of the final "meaningful use" criteria for the adoption of electronic health records by doctors' offices and hospitals. The catch is that they can't just install the electronic system, but have to demonstrate that they're using it in ways that will improve patient care, reduce costs, allow different providers to securely share data, and provide data to government researchers in order to find better ways to care for patients. Read more.
I recently had a reader e-mail me with a question about assemblies and namespaces because he had trouble on a job interview that asked a lot of interview questions about .NET assemblies. Luckily, I had a good answer for him that covered the .NET assembly basics: what an assembly is, how to create a class assembly DLL, how to use that assembly DLL in another program, how to use the Add References window in Visual Studio, and where Visual Studio gets its assemblies to list in that window. At the end of Head First C#, we have a section about it that also uses the IDE as a teaching tool to explore how assemblies work. Read more.
Charles Oliver Nutter discusses his latest attempt to bring the usability and clarity of Ruby to the JVM. In this interview Nutter discusses Mirah, a new, Ruby-like language which can be compiled to bytecode. He discusses some of the advantages of being able to compile to bytecode and how Mirah relates to JRuby. Read more.
There is something enticing about a software toolkit for non-developers; the concept that if you can articulate a workflow or algorithmic outcome, you can "meta-program" it without writing a line of code. That's why I think that there is some warranted excitement around Google's App Inventor for Android. It represents a holy grail and a myth at the same time. Read more... Read more.
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If you only come to one technical conference this year, make sure it's OSCON. In a time of rapid change, open source is key to the evolving computing landscape. Happening July 19-23 in Portland, OR. Register now.
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