karenpayneoregon

public class Customer : INotifyPropertyChanged
{
    private string _firstName;
    private string _lastName;
    private DateOnly _birthDate;

    public string FirstName
    {
        get => _firstName;
        set

karenpayneoregon

public static class CommonHelpers
{
    public static string GetSeason(int month) => $"The season is {month switch
    {
        1 or 2 or 12 => "winter",
        > 2 and < 6 => "spring",
        > 5 and < 9 => "summer",
        > 8 and < 12 => "autumn",
        _ => "unknown.",
    }}.";

karenpayneoregon

var paths = Environment.GetEnvironmentVariable("Path")!.Split(";");
foreach (var (part, index) in paths.Select((part, index) => (value: part, i: index)))
{
    Console.WriteLine($"{index,-3}{part}");
}

karenpayneoregon

string firstLastName = "KarenPayne";
var separated = firstLastName.SplitByCase();

karenpayneoregon

static TextInfo textInfo = new CultureInfo("en-US", false).TextInfo;
static List<string> names = ["KaRen", "YelEna", "BiLL"];
private static void CaseInsensitiveDictionary1()
{

    Dictionary<string, string> userDictionary = new(StringComparer.InvariantCultureIgnoreCase)
    { { "karen", "Developer advocate" }, { "yelena", "Manager" }, { "bill", "Web master" }, };


    foreach (var name in names)

karenpayneoregon

public static class StringExtensions
{
    public static string? FirstCharacterToLowerCase(this string? sender)
    {
        if (!string.IsNullOrEmpty(sender) && char.IsUpper(sender[0]))
        {
            return sender.Length == 1 ? 
                char.ToLower(sender[0]).ToString() : 
                $"{char.ToLower(sender[0])}{sender[1..]}";
        }

karenpayneoregon

using System.Globalization;
using System.Text.RegularExpressions;

namespace ConsoleApp1;

internal partial class Program
{
    static void Main(string[] args)
    {
        var input = "Enter anything 12 and I will try 44 to detect any number (leave empty 1 to exit):";

karenpayneoregon

string input = "There are 5 numbers in this string: 40, 30, and 10.  44";
string[] numbers = Regex.Split(input, @"\D+");
foreach (string value in numbers)
{
    if (string.IsNullOrEmpty(value)) continue;
    if (int.TryParse(value, out var number))
    {
        Debug.WriteLine($"Number: {number,-3:D2}");
    }
}

karenpayneoregon

public class TestContainer
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Email { get; set; }
}

karenpayneoregon

public class ListDictionary
{
    private Dictionary<string, List<string>> _internalDictionary = new();
    public Dictionary<string, List<string>> Dictionary => _internalDictionary;
    public bool HasItems => _internalDictionary.Count > 0;

    public void Add(string key, string value)
    {
        if (_internalDictionary.TryGetValue(key, out var item))
        {