Notes on software and the ideas behind it

Find the meaning
behind the code.

I’m Fred Yang. I write about software—how it works, why it behaves the way it does, and the ideas that make code easier to reason about.

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Working notes / 2026

Recently mapped

Architecture, reactivity, and the hidden relationships that shape frontend systems.

Security

How To: Use Forms Authentication with Active Directory in ASP.NET 1.1

http://msdn2.microsoft.com/en-us/library/aa302397.aspx
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Security

More on Kerberos

By default, the Microsoft® Windows® 2000 operating system uses the Kerberos protocol for authentication. This How To describes how to configure Kerberos delegation, a powerful feature that allows a server, while impersonating a client,...
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Security

NTLM vs Kerberos

Both NTLM and Kerberos are forms of Integrated Windows Authentication. NTLM uses a challenge-response protocal to authenticatet the client to the server. It begins when the client attempts to connect to a secure application....
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xsd

Referencing a schema in an XML instance document

My Life and Times Paul McCartney July, 1998 94303-12021-43892 McMillin Publishing ...
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xsd

Global element vs Local element in xsd

Global element declarations, global type definitions: These are element declarations/type definitions that are immediate children of Local element declarations, local type definitions: These are element declarations/type definitions that are nested within other elements/types.
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