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Get committed offets on Kafka consumer

The guide explains how to inspect consumer using Kafka CLI.

Find running Kafka container:

> docker ps | grep kafka

Enter your Kafka (docker) container:

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Applying the Reply (Result) pattern into existing error-handling solution

The project uses the Error class to create new error response objects:

public class Error
{
		public int StatusCode { get; set; }
		public string Message { get; set; }

		public Error(int status, string msg)

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IOptions in ASP .NET Core

Suppose you have some data in appsettings.json and you want to pull out the VapidConfig:

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"

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Add Or Update in C# Concurrent Dictionary

Suppose you've created a concurrent dictionary to store key-value pair data.

		private static readonly ConcurrentDictionary<string, PushSubscription> _subscriptions = new();

Then you create a method that inserts data into this dictionary:

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namespace DotNet8Starter.DL.Models
{
	public class ExcelResponse
	{
		public string Name { get; set; }
		public byte[] Data { get; set; }

		public static ExcelResponse ToResponse(string name, byte[] data)
		{
			return new ExcelResponse()

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Code analyzed by Claude. Output is a sequence diagram for Mermaid.js.

POST /api/games/NewGameMode — Create

sequenceDiagram
    participant Client
    participant GamesController
    participant GamesService
    participant GamesContext

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Retry HTTP requests in .NET with Polly

Polly is a powerful library for .NET that helps you handle transient faults and improve the resilience of your applications.

Setup

using Polly;
using System.Net;

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	public class AppLogger<T> : IAppLogger<T> where T : class
	{

		private readonly ILogger<T> _logger;

		public AppLogger(ILogger<T> logger)
		{
			_logger = logger;
		}

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using TestingPractice.Services;

namespace TestingPractice
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);

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using APIDocsRider.DB;
using Microsoft.Data.SqlClient;
using Microsoft.EntityFrameworkCore;

namespace APIDocsRider.BL;

public class WorkerService(ILogger<WorkerService> logger, IServiceProvider serviceProvider) : BackgroundService
{
    private readonly IServiceProvider _serviceProvider = serviceProvider;
    private readonly ILogger<WorkerService> _logger = logger;