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public class YourDbContext : DbContext
{
    public DbSet<Student> Students { get; set; }
    public DbSet<Course> Courses { get; set; }
    public DbSet<StudentCourse> StudentCourses { get; set; }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<StudentCourse>()
            .HasKey(sc => new { sc.StudentId, sc.CourseId });

        modelBuilder.Entity<StudentCourse>()
            .HasOne(sc => sc.Student)
            .WithMany(s => s.StudentCourses)
            .HasForeignKey(sc => sc.StudentId);

        modelBuilder.Entity<StudentCourse>()
            .HasOne(sc => sc.Course)
            .WithMany(c => c.StudentCourses)
            .HasForeignKey(sc => sc.CourseId);
    }
}

Popularity 3/10 Helpfulness 1/10 Language csharp

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Contributed on Dec 06 2023

Gifted Gazelle

0 Answers Avg Quality 2/10

csharp

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using System;

public class PrimeChecker
{
    public static bool IsPrime(int number)
    {
        if (number <= 1)
        {
            return false;
        }
        else if (number <= 3)
        {
            return true;
        }
        else if (number % 2 == 0 || number % 3 == 0)
        {
            return false;
        }

        int i = 5;
        while (i * i <= number)
        {
            if (number % i == 0 || number % (i + 2) == 0)
            {
                return false;
            }
            i += 6;
        }
        return true;
    }

    public static void Main(string[] args)
    {
        int num = 17;

        if (IsPrime(num))
        {
            Console.WriteLine(num + " is a prime number.");
        }
        else
        {
            Console.WriteLine(num + " is not a prime number.");
        }
    }
}

Popularity 10/10 Helpfulness 1/10 Language csharp

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Contributed on Sep 24 2023

Fancy Flamingo

0 Answers Avg Quality 2/10

csharp

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using System;

class Program
{
    // Method with optional arguments
    static void DisplayInfo(string name, int age = 25, string city = "Unknown")
    {
        Console.WriteLine($"Name: {name}, Age: {age}, City: {city}");
    }

    static void Main()
    {
        // Calling the method with different combinations of arguments
        DisplayInfo("John");                           // Uses default values for age and city
        DisplayInfo("Alice", 30);                      // Overrides age, uses default value for city
        DisplayInfo("Bob", 28, "New York");            // Overrides both age and city

        Console.ReadLine();
    }
}

Popularity 4/10 Helpfulness 1/10 Language csharp

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Contributed on Nov 22 2023

vibinginthewoods

0 Answers Avg Quality 2/10

csharp

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using System.Collections.Concurrent;
using System.Collections.Generic;

// ...

// Original code with Dictionary and List
Dictionary<string, List<ClientAccesToken>> _tokenCollection = new Dictionary<string, List<ClientAccesToken>>();

// Convert to ConcurrentDictionary and ConcurrentBag
ConcurrentDictionary<string, ConcurrentBag<ClientAccesToken>> _concurrentTokenCollection = new ConcurrentDictionary<string, ConcurrentBag<ClientAccesToken>>();

// Example usage:
string key = "exampleKey";
ClientAccesToken token = new ClientAccesToken(); // Assuming ClientAccesToken is a class in your code

// Using original Dictionary and List
if (!_tokenCollection.ContainsKey(key))
{
    _tokenCollection[key] = new List<ClientAccesToken>();
}

_tokenCollection[key].Add(token);

// Using ConcurrentDictionary and ConcurrentBag
_concurrentTokenCollection.AddOrUpdate(
    key,
    new ConcurrentBag<ClientAccesToken>(new List<ClientAccesToken> { token }),
    (_, bag) =>
    {
        bag.Add(token);
        return bag;
    }
);

Popularity 5/10 Helpfulness 1/10 Language csharp

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Contributed on Nov 23 2023

Cooperative Caribou

0 Answers Avg Quality 2/10

csharp

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string formattedString = string.Format("Hello, {0}! Today is {1}.", "John", DateTime.Now.DayOfWeek);
Console.WriteLine(formattedString);

Popularity 3/10 Helpfulness 1/10 Language csharp

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Contributed on Nov 30 2023

Attractive Alligator

0 Answers Avg Quality 2/10

csharp

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using System;
using System.Collections.Generic;
using UnityEngine;

public class JsonStackExample : MonoBehaviour
{
    private Stack<string> jsonStack = new Stack<string>();

    void Start()
    {
        // 添加JSON字符串到Stack中
        AddJsonToStack("{\"name\": \"John\", \"age\": 30}");
        AddJsonToStack("{\"name\": \"Alice\", \"age\": 25}");
        AddJsonToStack("{\"name\": \"Bob\", \"age\": 40}");

        // 从Stack中读取并输出JSON字符串
        ReadJsonFromStack();
    }

    void AddJsonToStack(string json)
    {
        jsonStack.Push(json);
    }

    void ReadJsonFromStack()
    {
        while (jsonStack.Count > 0)
        {
            string json = jsonStack.Pop();
            Debug.Log("JSON from Stack: " + json);

            // 在这里你可以对JSON进行解析或其他操作
            // 例如，你可以使用JsonUtility.FromJson<T>()方法将JSON字符串转换为对象
            // 详细操作取决于你想要做的处理
        }
    }
}

Popularity 4/10 Helpfulness 1/10 Language csharp

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Contributed on Nov 30 2023

FateArth

0 Answers Avg Quality 2/10

csharp

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[CommandMethod("Convert3DTo2D")]
public static void Convert3DTo2D()
{
    // Get the current document and database
    Document doc = Application.DocumentManager.MdiActiveDocument;
    Database db = doc.Database;
    Editor ed = doc.Editor;

    // Start a transaction
    using (Transaction trans = db.TransactionManager.StartTransaction())
    {
        // Prompt the user to select the 3D objects to convert
        PromptSelectionResult selectionResult = doc.Editor.GetSelection();
        if (selectionResult.Status != PromptStatus.OK)
        {
            ed.WriteMessage("\nNo objects selected.");
            return;
        }

        // Get the selected objects
        SelectionSet selectionSet = selectionResult.Value;
        using (Transaction transaction = db.TransactionManager.StartTransaction())
        {
            foreach (SelectedObject obj in selectionSet)
            {
                if (obj.ObjectId.ObjectClass.DxfName.Contains("POLYLINE"))
                {
                    Polyline pline = transaction.GetObject(obj.ObjectId, OpenMode.ForWrite) as Polyline;

                    if (pline != null)
                    {
                        // Set the elevation of each vertex to zero
                        for (int i = 0; i < pline.NumberOfVertices; i++)
                        {
                            Point3d vertex3D = pline.GetPoint3dAt(i);
                            vertex3D = new Point3d(vertex3D.X, vertex3D.Y, 0.0);
                            pline.SetPointAt(i, vertex3D);
                        }

                        // Optionally, close the polyline if it's not closed
                        if (!pline.Closed)
                        {
                            pline.Closed = true;
                        }
                    }
                }
            }

            // Commit the transaction
            transaction.Commit();
        }
    }
}

Popularity 4/10 Helpfulness 1/10 Language csharp

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Contributed on Dec 08 2023

Nesara Gowda

0 Answers Avg Quality 2/10

csharp

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@Html.ActionLink("Go Back", "GoBack", "YourControllerName")

Popularity 4/10 Helpfulness 1/10 Language csharp

Source: chat.openai.com

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Contributed on Dec 13 2023

Lord of the Kings

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csharp

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using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        // Assuming you have dictionaries dic1 and dic2
        Dictionary<string, object> dic1 = new Dictionary<string, object>();
        Dictionary<string, object> dic2 = new Dictionary<string, object>();

        // Populate dictionaries with sample data (replace this with your actual data)
        dic1["key1"] = "value1";
        dic1["key2"] = 123;
        dic1["key3"] = true;

        dic2["key1"] = "value1";
        dic2["key2"] = 123;

        // Perform the comparison
        bool areEqual = CompareDictionaries(dic1, dic2);

        // Output the result
        Console.WriteLine($"Are the dictionaries equal? {areEqual}");
    }

    static bool CompareDictionaries(Dictionary<string, object> dic1, Dictionary<string, object> dic2)
    {
        // Iterate through the keys in dic2
        foreach (var key in dic2.Keys)
        {
            // Check if the key is present in dic1
            if (dic1.TryGetValue(key, out var value1))
            {
                // Compare the values for the corresponding keys
                var value2 = dic2[key];

                // Adjust the comparison based on your data types and equality criteria
                if (!value1.Equals(value2))
                {
                    // If values don't match, dictionaries are not equal
                    return false;
                }
            }
            else
            {
                // If key is not present in dic1, dictionaries are not equal
                return false;
            }
        }

        // If all keys and corresponding values match, dictionaries are equal
        return true;
    }
}

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Contributed on Dec 13 2023

Mahdi

0 Answers Avg Quality 2/10

csharp

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public async Task<Status> LockAccountAsync(string username)
{
    var status = new Status();
    var user = await _userManager.FindByNameAsync(username);

    if (user != null)
    {
        // Lock the account for 1 minute
        user.LockoutEnd = DateTime.Now.AddMinutes(1);
        await _userManager.UpdateAsync(user);

        // Schedule a background task to unlock the account after 1 minute
        ScheduleUnlockTask(user.Id, DateTime.Now.AddMinutes(1));

        status.StatusCode = 1;
        status.Message = "Account locked successfully";
    }
    else
    {
        status.StatusCode = 0;
        status.Message = "No user found";
    }

    return status;
}

private async void ScheduleUnlockTask(string userId, DateTime unlockTime)
{
    // Assume you have some background task scheduler or queue mechanism
    // Here, you can use a timer, Hangfire, or any other scheduling mechanism

    // Example using Timer
    var timer = new Timer(async (_) =>
    {
        var user = await _userManager.FindByIdAsync(userId);

        if (user != null && user.LockoutEnd >= DateTime.Now)
        {
            // Unlock the account
            user.LockoutEnd = null;
            await _userManager.UpdateAsync(user);
        }

        timer.Dispose(); // Dispose the timer after execution
    }, null, unlockTime - DateTime.Now, TimeSpan.Zero);
}

Popularity 3/10 Helpfulness 1/10 Language csharp

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Contributed on Dec 15 2023

Chukwu John

0 Answers Avg Quality 2/10

csharp

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