本文來自我的翻譯文章http://somefuture.iteye.com/blog/1202111原文地址http://download.oracle.com/javafx/2.0/ui_controls/choice-box.htm#BCEDJAEH ChoiceBox類為在幾個選項中快速選擇提供了支援。看看 Figure 7-1 中的選項框的這個簡單實現怎麼樣。Figure 7-1 Creating a Choice Box with Three ItemsDescription of "
The VARCHAR2 datatype specifies a variable-length character string. When you create a VARCHAR2 column, you supply the maximum number of bytes or characters of data that it can hold. Oracle subsequently stores each value in the column exactly as you
今天在研究javamail發信的過程中,出現了一些小問題,現總結如下,以免後來者走些不必要的彎路,先把完整的能夠正常啟動並執行程式碼範例粘貼如下:發郵件原始碼:package com.hyq.test;import java.util.Properties;import javax.mail.*;import javax.mail.internet.*;public class MailExample { public static void main (String args[])
用webwork驗證時老發生錯誤,提示Content is not allowed in prolog,由於是解析xml檔案出錯,找到相應的檔案一看,發現開頭有幾行漢字說明忘注釋掉了,我把它們注釋掉,問題得到解決,由於以前沒遇到這種問題,於是到網上找到如下資料:DOM4j 讀取xml檔案可能會抱錯:Content is not allowed in
今天做面試題的時候遇到了一個問題,問題的代碼如下: import java.util.HashMap;import java.util.Map;public final class PhoneNumber { private final short areaCode; private final short prefix; private final short lineNumber; public PhoneNumber(int
直接執行個體化就可以使用,一些swing控制項的改進的: /** Arjick@163.com**/package exec;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.awt.geom.AffineTransform;import java.util.ArrayList;import java.util.HashMap;/*** A JTabbedPane which has a
今晚想學習一下oracle,開庫: SQL> startup ORA-10997: another startup/shutdown operation of this instance inprogress ORA-09967: unable to create or open lock file Linux Error: 13: Permission denied