jwChung

using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Reflection;
using Xunit;

namespace ClassLibrary1
{
    public class CollectingPropertiesTest
    {

jwChung

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
  org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)

jwChung

public class SerializableMultidimensionalArray : IXmlSerializable
{
    private readonly int[,] array = new int[3, 2];

    public int this[int i, int j]
    {
        get
        {
            return this.array[i, j];
        }

jwChung

public class QueryingFindingEntities
{
    [Fact]
    public void FindingEntityByPrimaryKey()
    {
        using (var context = new BlogContext())
        {
            int execuedCount = 0;
            context.RegisterCallbackStateChanged(ConnectionState.Open, () => execuedCount++);