peteraritchie

// a class to wrapp xunits ITestOutputHelper as a TextWriter 
  public class TestOutputHelperWriter(ITestOutputHelper helper) : TextWriter
	{
		public override Encoding Encoding { get; } = Encoding.Unicode;
		public override void WriteLine(string? value)
		{
			helper.WriteLine(value);
		}
		public override void WriteLine([StringSyntax("CompositeFormat")] string format, params object?[] args)
		{

peteraritchie

$nics = (get-netadapter -Physical | where Status -EQ -Value 'Up')
#(get-netadapter -Physical | ? Status -EQ -Value 'Up') | % { Write-Host $_.InterfaceDescription; };
#(get-netadapter -Physical | ? Status -EQ -Value 'Up') | % { Set-DNSClientServerAddress –interfaceIndex $_.ifIndex –ServerAddresses ("8.8.8.8", "8.8.4.4"); };

foreach($nic in $nics)
{
  Write-Host "Setting $($nic.InterfaceDescription) DNS to 8.8.8.8, 8.8.4.4";
  Set-DNSClientServerAddress –interfaceIndex $nic.ifIndex –ServerAddresses ("8.8.8.8", "8.8.4.4");
}

peteraritchie

az devops invoke Areas - Slim

area	resourceName	routeTemplate
acs	WRAPv0.9	{resource}
AdminEngagement	Organization	_apis/{area}/{resource}/{action}
advSec	Enablement	_apis/{area}/{resource}
advSec	billableCommitters	{project}/_apis/{area}/{resource}
advSec	EstimateProject	{project}/_apis/{area}/Estimate
advSec	EstimateRepo	{project}/_apis/{area}/repositories/{repositoryId}/Estimate

peteraritchie

az devops invoke Areas

area	id	maxVersion	minVersion	releasedVersion	resourceName	resourceVersion	routeTemplate
acs	8b1e4204-96e8-41c2-81ca-5cad5cd5ef25	7.20	0.00	7.1	WRAPv0.9	1	{resource}
AdminEngagement	bec0e728-8f67-4ee3-81e8-9f475d184e45	5.10	1.00	0.0	Organization	1	_apis/{area}/{resource}/{action}
advSec	3aa66234-9ab4-4ff9-9d5a-09b7ac9133b1	7.20	7.10	0.0	Enablement	1	_apis/{area}/{resource}
advSec	f890a08b-1e12-4f1a-be3f-31a8b361b24e	7.20	7.10	0.0	billableCommitters	1	{project}/_apis/{area}/{resource}
advSec	bffb42ee-3cb6-450c-9d11-70797507c7d7	7.20	7.20	0.0	EstimateProject	1	{project}/_apis/{area}/Estimate
advSec	99e4aa9e-93dd-4f07-a70b-928b37aedde0	7.20	7.20	0.0	EstimateRepo	1	{project}/_apis/{area}/repositories/{repositoryId}/Estimate

peteraritchie

Delete git branches merged to main

A simple powershell script to clean up local branches that have been merged to main:

git branch --merged main | Foreach-object { if($_.SubString(0,1) -ne '*'){ git branch -d $_.SubString(2);} }

peteraritchie

public static class Extensions
{
    /// <summary>
    /// Try to get the single value from the collection
    /// </summary>
    /// <typeparam name="T">The type of elements in the collection</typeparam>
    /// <param name="source">the source collection</param>
    /// <param name="predicate">The predicate to test elements</param>
    /// <param name="item">The item found, or null</param>
    /// <returns>true if found, false otherwise</returns>

peteraritchie

public static class X { /// Easy with structs</remarks public static bool TryGetValue(this T? nullable, ref T value) where T : struct { if (nullable.HasValue) { value = nullable.Value; return true; }

peteraritchie

/// <summary>
/// Some extensions for <seealso cref="ImmutableList{T}"/>
/// </summary>
public static class ImmutableListExtensions
{
    /// <summary>
    /// Replace <paramref name="value"/> in <paramref name="source"/> based on object equality
    /// </summary>
    /// <remarks>
    /// This method depends on the <typeparamref name="T"/> implementing Object.Equals, if it does not,

peteraritchie

The structure of IPv4 addresses lies at the core of the internet's architecture

• does calling out IPv4 mean many of the details in this chapter apply to IPv6?

The very structure of IPv4 addresses presents an interesting duality: they serve as both identifiers and locators.

• "Locator" in what sense?

[Just as a street address indicates a specific location, an IP address designates a particular device on a network. The subnet mask, analogous to the zip code, guides data packets to their intended destination.](https://cwoodruff.github.io/book-network-programming-csharp/chapter02/#:~:text=just%20as%20

peteraritchie

HTML Entities

general

HTML		Description	HTML		Description	HTML		Description
℅	℅	care of	℞	℞	prescription	⌖	⌖	target
⁃	⁃	hypen bullet	⦾	⦾	circled white bullet	⦿	⦿	circled bullet
 		very thin space	​	​	zero-width space

Arrows