xiaomi7732 / FindPort.md

Last active September 28, 2022 18:05

How to find out which port is taken by which process on Windows

Known port

netstat -ano | findstr <port>

List all active port

netstat -ano

xiaomi7732 / Get.NETCoreNativeSymbols.md

Created September 28, 2022 22:41

Get .NET Core Native Symbols

https://learn.microsoft.com/en-us/dotnet/core/diagnostics/trace-perfcollect-lttng#get-symbols-for-the-native-runtime

Hard copy:

install dotnet-symbol
```
dotnet tool install -g dotnet-symbol
```

xiaomi7732 / DoNotAutoLoadBlaozrWASM.md

Created October 9, 2022 15:30

Stop auto loading Blazor pages

<body>
    ...

    <script src="_framework/blazor.{webassembly|server}.js" autostart="false"></script>
    <script>
      document.addEventListener("DOMContentLoaded", function() {
        Blazor.start();
      });

xiaomi7732 / GoogleOffGoogleOn.md

Last active October 9, 2022 15:46

SEO: Skip tags for search engine

This maybe does not work: https://www.seroundtable.com/google-no-block-indexing-parts-pages-29144.html

Pay attention to the commented tags, googleoff / googleon

<!--googleoff: index-->
<div id="themeToggle" title="toggle between light theme or dark theme (ALT+T)" accesskey="t">
    <div id="toggleThemePrompt">Ctrl + D to bookmark. Click this 🤔 => </div>
    <span id="sun">
 ☀️

xiaomi7732 / KubeCtlCustomNamespace.md

Last active October 25, 2022 03:40

Set default namespace for kubectl

kubectl config set-context --current --namespace=<insert-namespace-name-here>
# Validate it
kubectl config view --minify | grep namespace:

xiaomi7732 / OptionalServiceInDotnetDI.md

Last active October 25, 2022 03:41

Make an optional service in .NET DI

Make an optional service in .NET DI Container

Services in DI container is by default required. To make it optional, give it a defualt value.

Assuming ConsumerService rely on AnotherService while AnotherService is not registered in DI container.

Solution

Having a default value for the optional service.

xiaomi7732 / threadpoolsettings.md

Last active December 30, 2022 01:19

Customize thread pool defaults, avoid the caveats

.NET runtime allows customize default thread pool settings. There are essentially 4 values that could be customized:

Minimum worker thread count;
Minimum IO thread count;
Maximum worker thread count;
Maximum IO thread count;

And there are 4 primary APIs, 2 to read min/max, 2 to set those values:

xiaomi7732 / GitHubWebHooks.Security.md

Last active March 23, 2026 23:13

Verify SHA256 signature by GitHub WebHooks in ASP.NET Core WebAPI

Description

Sharing a secrect with GitHub, it is important to verify the signaure hashed by it. You don't want your API being called by malicious 3rd parties.

Here's how you do it in ASP.NET Core WebAPI.

Code

xiaomi7732 / PolymorphicSerialization.md

Last active January 6, 2023 22:58

How do I leverage .NET 7 Polymorphic Serialization when building Roshambo API

How did I leverage .NET 7 Polymorphic Serialization when building Roshambo API

Brief about the Roshambo project

It is a simple rock, paper, and scissors game used to study how to build a full RESTful API. You will be able to find the latest code in this repo. BTW, if you like it, give it a star.

To make it fun, I also released a live client at https://roshambo.codewithsaar.com.

The feature I want to build

xiaomi7732 / BindOptionsForLibraryDesign.md

Created February 8, 2023 18:10

Clearly bind options for library code

NuGet packages:

<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="7.0.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="7.0.2" />

Code

Saar Shen xiaomi7732