kpol

using System;
using System.Threading.Tasks;

namespace RetryPolicies
{
    internal sealed class ExponentialRetryPolicy
    {
        public TimeSpan InitialDelay { get; set; } = TimeSpan.FromSeconds(10);

        public int NumberOfRetries{ get; set; } = 5;

kpol

(?x)
(?<![0-9])
(?:
[0-9]{12,19}                               # sequence of digits in the text between [12, 19] length
|
(?:[0-9]{4}[ -]){4}[0-9]{3}                # 4-4-4-4-3 pattern
|
(?:[0-9]{4}[ -]){3}[0-9]{4}                # 4-4-4-4 pattern
|
(?:[0-9]{4}[ -]){2}[0-9]{5}                # 4-4-5 pattern

kpol

using System;
                    
public class Program
{
    public static void Main()
    {
        int[] arr = {-2, -3, 4, -1, -2, 1, 5, -3};
        var result = LargestSumContiguousSubarray(arr);
        Console.Write(result);
    }

kpol

using System;
using System.Collections.Generic;
                    
public class Program
{
    public static void Main()
    {
        int[] values = {110, 100, 200 };
        int[] weights = {10, 20, 30};
        int maxWeight = 30;

kpol

public static int BinarySearch(int[] arr, int k)
{
    var minIndex = 0;
    var maxIndex = arr.Length - 1;

    while (minIndex <= maxIndex)
    {
        var mid = (minIndex + maxIndex) / 2;
	    
        if (k == arr[mid])

kpol

public interface IMemoryCacheExtended : IMemoryCache
{
    TItem GetOrCreate<TItem>(object key, Func<ICacheEntry, TItem> factory);

    Task<TItem> GetOrCreateOnceAsync<TItem>(object key, Func<ICacheEntry, Task<TItem>> factory);
}

public class MemoryCacheExtended : IMemoryCache
{
    private readonly MemoryCache _memoryCache;

kpol

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{

    static void Main()
    {
        var product = new Product(1) { Price = 10 };

kpol

private static bool IsValidCreditCardNumber(string creditCardNumber)
{
    // based on Luhn algorithm
    // https://en.wikipedia.org/wiki/Luhn_algorithm

    if (creditCardNumber == null) throw new ArgumentNullException(nameof(creditCardNumber));

    // credit card number length must be between [12, 19]
    if (creditCardNumber.Length < 12 || creditCardNumber.Length > 19)
    {

kpol

using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json.Linq;

namespace OpenApi.Extensions
{
    /// <summary>
    /// Consolidates enums based on <code>x-type-fullname</code> vendor extension.
    /// <example>
    /// {

kpol

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Http.Description;
using Newtonsoft.Json.Serialization;
using Swashbuckle.Swagger;

namespace Swagger.Configurations
{
    public class SwashbuckleDocument