Avoid Exposing Status Uri From Durable Functions Extension For Azure Functions To Untrusted Parties (It Contains A Secret Key!)

Durable Functions is an extension for Azure Functions to help write stateful services in a stateless environment. It can return helpful information, including a status uri, but this contains a secr...

Mar 15, 2021

IDisposable, IAsyncDisposable, and Tasks: Dispose Behavior With Tasks In C#

While working with HTTP calls that return a Stream via HttpClient’s var response = await SendAsync(request, HttpCompletionOption.ResponseHeadersRead); -> var stream = await response.Content.Read...

Feb 10, 2021

Retrieving Managed Identity Access Tokens For Azure Web Apps Using PowerShell Console

If you’re working with Azure Web Apps and securing between services using managed identity, formerly known as Managed Service Identity (MSI), it can be useful to retrieve an access token on behalf ...

Jan 29, 2021

Prevent Duplicate Invocations of Durable Functions Using Azure Functions With C#

Durable Functions is an extension for Azure Functions to help write stateful services in a stateless environment. When starting a new process, you may want to verify it isn’t already running by che...

Jan 15, 2021

Get Basic Information For Azure AD Object Ids Using PowerShell

Quick summary Get-AzureADObjectByObjectId -ObjectIds 00000000-0000-0000-0000-000000000000 Comma delimit for multiples. Details If you’re working with Azure you may find yourself needing to get...

Jan 7, 2021

Reverting Azure ARM Template Changes Using Change History And Manual ARM Deployment

I made some ARM templates changes and unintentionally removed Access Policy items from an Azure Key Vault in a (thankfully) non-production environment. Since the ARM template doesn’t have the befor...

Jan 5, 2021

SQL ADO.NET Scaler And Reader Sync vs Async Benchmarks Using BenchmarkDotNet, LocalDB, And C#

I wrote some benchmarks using BenchmarkDotNet for ADO.NET C# code targeting LocalDB. Here’s what I found: Results BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19042 Intel Core i7-1065G7 CPU 1.30GHz, ...

Dec 18, 2020

Monitoring Web Application Deployment Impact Using Artillery

If you’re looking to monitor the state of your web application during a deployment it can be useful to run a bunch of requests to see the impact during deployment. We can use a load testing tool, l...

Dec 16, 2020

Dynamic Parameterized SQL Using ADO.NET With C#

Here’s a C# solution for dynamic parameters inside a SQL string: var items = new[] { "a", "b", "c" }; var connection = new SqliteConnection($"Data Source={Filename}"); await connection.OpenAsync()...

Dec 15, 2020

Limiting Concurrent Operations With SemaphoreSlim Using C#

If you’re looking to limit the number of concurrent operations but maintain as high throughput as possible SemaphoreSlim can help! For instance, this could help maintain a consistent flow of HTTP r...

Dec 11, 2020