Monthly Archives: 1月 2013

23
1月

textarea에 maxlength 속성을 만들기

먼저 JQuery 를 통해 해당 태그에 속성을 추가로 만든다. [cray … Continue reading →

Posted in HTML | コメントは受け付けていません。

12
1月

MySQL CASE UPDATE

update t_player set levelNumber=(CASE WH … Continue reading →

Posted in MySQL | コメントは受け付けていません。

11
1月

음.. 자바 Map으로 synchronized 블럭이용하기

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;


public class Test1 {

	Map<String, Properties> map = new HashMap<String, Properties>();
	Properties properties = new Properties();
	
	public Test1() {
		properties.put("potato", "じゃがいも");
		
		map.put("a", properties);
	}
	
	public void test() {
		
		Thread test3 = new Thread(new Test3());
		test3.start();

		Thread test2 = new Thread(new Test2());
		test2.start();

	}
	
	public static void main(String[] args) {
		Test1 test1 = new Test1();
		test1.test();
	}
	
	class Test2 implements Runnable {
		public void run() {
			
			try {
				Thread.sleep(500);
			} catch (Exception e) {}

			System.out.println("Lock");
			synchronized (properties) {
				for (int i=0; i<30; i++) {
					try {
						Thread.sleep(50);
					} catch (Exception e) {}
					properties.put("potato", "じゃがいも"+(i+1)+"個");
				}
			}
			System.out.println("Unlock");

		}
	}

	class Test3 implements Runnable {
		public void run() {

			for (int i=0; i<10; i++) {
				System.out.println(properties.get("potato"));
				try {
					Thread.sleep(100);
				} catch (Exception e) {}
			}

		}
	}

}

import java.util.HashMap;

import java.util.Map;

import java.util.Properties;

public class Test1 {

Map<String, Properties> map = new HashMap<String, Properties>();

Properties properties = new Properties();

public Test1() {

properties.put("potato", "じゃがいも");

map.put("a", properties);

}

public void test() {

Thread test3 = new Thread(new Test3());

test3.start();

Thread test2 = new Thread(new Test2());

test2.start();

}

public static void main(String[] args) {

Test1 test1 = new Test1();

test1.test();

}

class Test2 implements Runnable {

public void run() {

try {

Thread.sleep(500);

} catch (Exception e) {}

System.out.println("Lock");

synchronized (properties) {

for (int i=0; i<30; i++) {

try {

Thread.sleep(50);

} catch (Exception e) {}

properties.put("potato", "じゃがいも"+(i+1)+"個");

}

System.out.println("Unlock");

}

class Test3 implements Runnable {

public void run() {

for (int i=0; i<10; i++) {

System.out.println(properties.get("potato"));

try {

Thread.sleep(100);

} catch (Exception e) {}

}

Properties를 Relo … Continue reading →

Posted in Java | コメントは受け付けていません。

11
1月

Return-Path 그리고 envelope-from, reverse-path, forward-path

현장에서 메일 송신 프로그램에서 설정하는 Return-Path 가 이상하 … Continue reading →

Posted in Mail | コメントは受け付けていません。

Monthly Archives: 1月 2013

textarea에 maxlength 속성을 만들기

MySQL CASE UPDATE

음.. 자바 Map으로 synchronized 블럭이용하기

Return-Path 그리고 envelope-from, reverse-path, forward-path

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