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Friday, July 25, 2008 5:00 AM

Reader Trends

A few of the more noticeable changes in this week's site design might prompt some questions as to how the Web audience is evolving over time. I thought it would be interesting to take a look at the actual numbers that back up reader's requests and complaints
Posted by Nicholas Allen | 1 Comments
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Thursday, July 24, 2008 5:00 AM

Trusting IP Addresses

How do I find the address of a client connection to make a trust decision? Don't base security decisions on the perceived client address. Any address that we have comes from the underlying socket implementation and could be spoofed. The data that the
Posted by Nicholas Allen | 2 Comments
Wednesday, July 23, 2008 5:00 AM

Help with Security Programming

Security programming today tends to contain large amount of plumbing code to handle the modeling, management, and evaluation of identities. An identity is the basis of many common security operations, such as authentication, personalization, authorization,
Posted by Nicholas Allen | 1 Comments
Tuesday, July 22, 2008 5:00 AM

Standards Guide

Looking for a guide to all of the web services protocols implemented by WCF? There's no single document that captures all of the information, but there is a group of documents that talk about the implemented protocols and some of the choices in those
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Monday, July 21, 2008 5:00 AM

Annual Site Redesign

I don't actually promise to update the design every year but it makes it sound more exciting- as if there's some kind of recurring event that people might look forward to. This year's design focused on improving content readability. I removed some of
Posted by Nicholas Allen | 5 Comments
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Friday, July 18, 2008 5:00 AM

Finding a Client Channel

Where can I get the IContextChannel that OperationContextScope requires? OperationContextScope allows you to create a temporary scope in which context for a service operation can build up before and after the operation is actually called. The constructor
Posted by Nicholas Allen | 1 Comments
Thursday, July 17, 2008 5:00 AM

XQuery 1.1 Draft

A working draft for a 1.1 revision to XQuery went up earlier this week. The changes from XQuery 1.0 (which was finished just last year) to XQuery 1.1 appear to be small. There are two additional operators for grouping and windowing over a data stream.
Posted by Nicholas Allen | 1 Comments
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Wednesday, July 16, 2008 5:00 AM

Conversation with the C# Team

Channel 9 posted a video a few days ago with the C# 4.0 design team talking about some of their motivations and ideas for language design. I tend to enjoy the videos like this one that are focused on the people a lot more than the ones that are focused
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Tuesday, July 15, 2008 5:00 AM

Hosting Queued Services in IIS

Over the past few days Tom Hollander has been posting his experiences hosting a queue-based WCF service in IIS. These posts go into a lot of detail about setting up the machines, configuring the service, and troubleshooting problems. If you're looking
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Monday, July 14, 2008 5:00 AM

Architect Insight Conference Talks

Slide decks are available from the Architect Insight Conference 2008 held in the UK at the end of April. These talks are fluffier than ones that I normally point to and since you only have the slides and not the audio, I recommend picking a few based
Posted by Nicholas Allen | 0 Comments
Friday, July 11, 2008 5:00 AM

Naming Contracts for Versioning

Some tips for building support for versioning into the naming of data contracts. First, the primary route for versioning should be through the namespace part of the contract rather than the member name part of the contract. Versioning the contract through
Posted by Nicholas Allen | 1 Comments
Thursday, July 10, 2008 5:00 AM

Transaction Header Magic

Simplicity is elusive. A few weeks ago I learned that part of transaction flow, propagating information about the source machine between the client and server, is more complicated than I thought. It's not that the details were inherently complicated but
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Wednesday, July 09, 2008 5:00 AM

Configuring SSL Host Headers

Host headers in IIS are a way to associate multiple names with a single address. The typical use of host headers is to be able to host more than one web site at a single IP address by giving each of the web sites a distinct DNS name. Host headers also
Posted by Nicholas Allen | 5 Comments
Tuesday, July 08, 2008 5:00 AM

Adding Headers to a Call (HTTP Version)

Yesterday I talked about adding SOAP headers to an outgoing request using a variety of different methods. The most straightforward method was to create an OperationContextScope in your application code to establish an OutgoingMessageHeaders collection.
Posted by Nicholas Allen | 2 Comments
Monday, July 07, 2008 5:00 AM

Adding Headers to a Call

How do I add SOAP headers to an outgoing request? There are a few different ways to add headers to a message depending on how you need to control the header content and where you need to insert the header. I like to think of these methods as being split
Posted by Nicholas Allen | 2 Comments
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