Welcome to Ryan Williams' Developer Blog
Ignoring Bots by User Agent in C#
October 28th, 2026
Exclude crawlers and bots from logs and analytics in ASP.NET Core by matching user agents against the crawler-user-agents list with one compiled regex.
OpenAI API in C#
October 28th, 2026
Call the OpenAI API from C# with the official OpenAI NuGet package: Chat Completions, the newer Responses API, streaming, ASP.NET Core DI, and plain HttpClient.
Keeping IIS Sites Alive With PowerShell
October 28th, 2026
Fix slow first requests on IIS: set Start Mode to AlwaysRunning, Idle Time-out to 0, turn on Preload with Application Initialization, and add a warm-up task.
Spam Filtering With C#
January 28th, 2024
How to filter spam comment posts using an API and C# in ASP.NET.
DappCamp - Web 3.0 Developer Solidity Course
January 28th, 2024
DappCamp: Transform into a Web 3.0 Developer in just 3 weeks. Dive into my comprehensive review of the Solidity course.
Sending Email With MailChimp
October 28th, 2026
Send an email from C# with the Mailchimp Transactional API, and add or update contacts with the Marketing API using HttpClient. Includes batch sync examples.
AWS Step Functions in C#
January 28th, 2024
Details on what AWS Step Functions are and how they can be used in .NET.
SQL Express Database Backups in SQL Server
October 28th, 2026
SQL Server Express has no SQL Agent. Automate daily backups of every database with sp_BackupDatabases, sqlcmd, a batch or PowerShell script, and Task Scheduler.
Prevent Sign Out ASP.NET Core 2.0 Deployment
January 28th, 2024
Example code of how to stay signed in after an ASP.NET Core 2.0 deployment to IIS.