Tpl Dataflow walkthrough - Part 5 this post is a complete walkthrough of a web crawler sample that was build purely by using Tpl Dataflow . it was built on .NET 4.5 / C# 5 (on a virtual machine using VS 11 ). I will analyze each part of this sample, both by discussing the Dataflow blocks and the patterns in used. the sample code is available in here (it is a VS 11 project). during the walkthrough you will see the following Tpl Dataflow blocks: TransformBlock TransformManyBlock ActionBlock BroadcastBlock...
async \ await and Exception Handling this post will discuss how async / await is handling exceptions . as we mention in previous post , about the async / await concept, await is all about continuation . before .NET 4.5 parallel execution exceptions has to be handle in separate of the synchronic handling. for example: handling ThreadPool execution: Code Snippet void Foo() { try { Console .WriteLine( "Synchronic" ); ThreadPool .QueueUserWorkItem(state => { try { Console .WriteLine( "Parallel"...
the concept of async \ await in this post I will survey the new .NET 4.5 / C# 5 concept of async / await. I will focus on how to understand what is really happens behind the new async / await syntax. What's it all about? the new async / await syntax is using the C# syntactic compiler to generate async operation from code that is looking very much like a synchronous code. but before we start we should discus the new C# 5 syntax. the syntax include 2 keywords: async - which is only a marker...