swkwon

MySqlConnection conn = new MySqlConnection(connStr);
conn.Open();

// no job until expired wait_timeout... default timeout is 28800 seconds.

conn.Ping();
if (conn.State == System.Data.ConnectionState.Closed)
  conn.Open();

// Then you can use connection!

swkwon

string test1 = "word1:word2";
string[] test1Result = test1.Split(':');

foreach (string s in test1Result)
{
  Console.WriteLine(s);
}

string test2 = "word1<>word2";
string[] test2Result = System.Text.RegularExpressions.Regex.Split(test2, "<>");

swkwon

using System;
using System.Reflection;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Diagnostics;

namespace MyProgram
{
    class Program

swkwon

using System;

namespace DllLibrary
{
    public class MyClass
    {
        public static int ReturnInputValue(byte[] test)
        {
            return BitConverter.ToInt32(test, 0);
        }

swkwon

using System.ServiceProcess;

namespace WindowsService2
{
    public partial class Service1 : ServiceBase
    {
        public Service1()
        {
            InitializeComponent();
        }

swkwon

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
namespace ConsoleApplication32
{
    class Program
    {
        static HashSet<string> set = new HashSet<string>();

swkwon

using System.Data.SqlClient;
using System.Data.SqlTypes;
using Microsoft.SqlServer.Server;

namespace SqlServerProject5
{
    public class Class1
    {
        [SqlFunction]
        public static SqlInt32 GetSquare(SqlInt32 param)

swkwon

static void Main()
{
	string text = "In formal language theory and computer programming, " + 
	"string concatenation is the operation of joining two character strings end-to-end. " +
	"For example, the concatenation of 'snow' and 'ball' is 'snowball'. " +
	"In some but not all formalizations of concatenation theory, " +
	"also called string theory, string concatenation is a primitive notion.";
	
	Console.WriteLine(text);
}

swkwon

static void Main(string[] args)
{
    // To run this program, provide a command line string.
    // In Visual Studio, see Project > Properties > Debug.
    string userName = args[0];
    string date = DateTime.Today.ToShortDateString();

    // Use the + and += operators for one-time concatenations.
    string str = "Hello " + userName + ". Today is " + date + ".";
    System.Console.WriteLine(str);

swkwon

class StringBuilderTest
{
    static void Main()
    {
        string text = null;

        // Use StringBuilder for concatenation in tight loops.
        System.Text.StringBuilder sb = new System.Text.StringBuilder();
        for (int i = 0; i < 100; i++)
        {