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In this talk Microsoft Technical Fellow and C# Chief Architect Anders Hejlsberg gives an overview of the new features in C# 4.0, including dynamic typing, co- and contra-variance, named and optional parameters, and improved COM interoperability. Anders will also discuss some of the ideas that are envisioned for future versions of C#. This session is presented by Anders Hejlsberg during Microsoft DevDays 2010 in The Hague in The Netherlands.

Today face.com is proud to announce the opening of our platform APIs! After scanning billions of photos and tagging over 50 million users through Photo Tagger and Photo Finder, we’re moving ahead with our goal of making face recognition approachable and available to all. In this open alpha stage, we’re letting any developer tap into our face detection and face recognition tech through simple REST API calls. Whether you’re looking to build a cool photo tagging application, create personalized e-cards or campaigns, or any other sci-fi idea that comes to mind, we’re here to serve. A friend of the company, world-famous programmer, developer and founder of Technorati David Sifry got an early look at our API.  In David’s own words: “I’ve been impressed with Face.com’s API, and their plan for working closely with developers to build great applications that incorporate face detection and face recognition. Open platforms like this one will enable the creation of exciting new applications that we’ve never seen before at scale.”

F# is the only language to be added to Visual Studio for a very long time. What makes it so special? There is a growing trend to include elements of functional programming in “mainstream” languages such as C#. If functional programming is so good this raises the question of why we don’t just move to a functional language. After all, there is an ideal candidate, F# which is a true .NET based language. So, is F# very different? Let’s find out.

Building a dynamic PHP site requires you to understand how CRUD (create, read, update, delete) functions work. There are a variety of ways to implement these functions include databases, and most commonly through mySQL.  With these functions you can add new entries to the database (registration), view existing entries (retrieve users or fields), update the entries to your table or delete users (who may unsubscribe or permanently delete their accounts.) For a user account based sites, these functions are essential for keeping your user and information database up to date.

Starting from Visual Studio 2010 F# is full member of .NET Framework languages family. It is functional language with syntax specific to functional languages but I think it is time for us also notice and study functional languages. In this posting I will show you some examples about cool things other people have done using F#.

At the beginning of the '90s there were 26 published methods on object-orientation, most with its own notation with its own set of icons. It was in this environment that UML was born. Although Grady Booch, Jim Rumbaugh, and Ivar Jacobson initiated the design of what became UML, many other contributors (including Steve Cook) quickly joined the effort and the Object Management Group (OMG) launched the result. UML quickly made most other methods -- along with their own notations, obsolete -- UML eventually became the standard we had hoped for, and toolbuilders and practitioners rapidly adopted the new approach.

The World Wide Web Consortium has launched a new specification called "XProc," which provides a standard framework for composing XML processes.  It streamlines the automation, sequencing, and management of complex XML processes, the standards body said.  The "XML Pipeline Language" spec was developed to provide a framework for managing enterprise-level business processes.

CHESS is a tool for disciplined testing of concurrent programs. CHESS requires users to develop concise concurrent tests for that explore one concurrency scenario—or a few scenarios—in their programs. Given such a test, CHESS systematically enumerates all behaviors of the program being tested to find concurrency errors, data races, deadlocks, and livelocks.

When C# 4.0 was released we C# developers were given a new toy. to play with, and that's Parallel Programming. This is done with the System.Threading.Tasks.Parallel Namespace. This allows for parallel loops & regions (to be discussed at a later date). What is parallel programming you ask, well in todays age most, if not all, household computers have multi-core processors, and parallel programming allows us to take davantage of this new found power, well not actually new as multi-core processors have been around a while now, but software has not kept up with the changes in hardware.

With the GA release of Scala 2.8 getting very close, David Pollak, the creator of the Scala-based web framework: Lift, has announced a Scala community initiative that  will have an equally large impact on Scala developers.  The Fresh Scala Initiative aims to address the issue of version fragility in the ecosystem.  You may have heard that Scala 2.8 is not binary compatible with the 2.7 branch.  Therefore, some community members have banded together to maintain a repository and provide nightly builds of popular Scala library collections to build against Scala 2.8.  

In this interview Spotty Bowles, a tester on the VB Compiler team, shows us a couple of new language features: Array and Collection Initializers. He gives us insight into how they are implemented in the compiler and best practices on how to use them in our code. Additionally, he discusses how to extend Collection Initializers with your own extension methods.

Scala is a general purpose programming language principally targeting the Java Virtual Machine. Designed to express common programming patterns in a concise, elegant, and type-safe way, it fuses both imperative and functional programming styles. Its key features are: statically typed; advanced type-system with type inference; function types; pattern-matching; implicit parameters and conversions; operator overloading; full interop with Java

cala is a general purpose programming language principally targeting the Java Virtual Machine. Designed to express common programming patterns in a concise, elegant, and type-safe way, it fuses both imperative and functional programming styles. Its key features are: statically typed; advanced type-system with type inference; function types; pattern-matching; implicit parameters and conversions; operator overloading; full interop with Java

Introducing Functional Programming Server-Side Functional Programming Developing Client-Side Applications Numerical Computing Working with Data Visualizing Data with .NET Charts

Google today launched an "early preview" of Dart, a programming language the company hopes will help Web application programmers overcome shortcomings of JavaScript that Google itself feels acutely.