<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[SIR450481的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/SIR450481</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; SIR450481]]></copyright><item><title><![CDATA[ORACLE 建表自增以及添加注释]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/138813178</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/138813178</guid><author>SIR450481</author><pubDate>Mon, 13 May 2024 18:07:27 +0800</pubDate><description><![CDATA[触发器，自增id]]></description><category></category></item><item><title><![CDATA[Android  新打开项目代码报错(2)]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/115130732</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/115130732</guid><author>SIR450481</author><pubDate>Tue, 23 Mar 2021 17:04:12 +0800</pubDate><description><![CDATA[All flavors must now belong to a named flavor dimension.
在主app的build.gradle的defaultConfig里加入  flavorDimensions “versionCode”
   defaultConfig {
         ```//其他的配置
        flavorDimensions "versionCode"
    }

然后重新sync

]]></description><category></category></item><item><title><![CDATA[Android  新打开项目代码报错(1)]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/115105014</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/115105014</guid><author>SIR450481</author><pubDate>Mon, 22 Mar 2021 23:25:26 +0800</pubDate><description><![CDATA[Could not find com.android.support:support-annotations:23.3.0
在project的build.gradle的repositories里加入 maven {url “https://maven.google.com”}
allprojects {
    repositories {
        jcenter()
        maven {
            url "https://maven.google.com"
       ]]></description><category></category></item><item><title><![CDATA[Android 动态获取访问内存权限]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/114379272</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/114379272</guid><author>SIR450481</author><pubDate>Thu, 04 Mar 2021 22:14:42 +0800</pubDate><description><![CDATA[在AndroidManifest.xml里加入
    &lt;uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /&gt;//这里有错的话那就在name后面加入 tools:ignore="ProtectedPermissions"
    &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
]]></description><category></category></item><item><title><![CDATA[Android TV    遥控器监听返回弹窗]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/114370991</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/114370991</guid><author>SIR450481</author><pubDate>Thu, 04 Mar 2021 16:16:06 +0800</pubDate><description><![CDATA[首先在项目里加入
import android.view.KeyEvent;
import android.app.AlertDialog;
import android.content.DialogInterface;

然后设置遥控器按键
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        //判断是否按下返回键,event.getRepeatCount() == 0为防止点击的过快
    ]]></description><category></category></item><item><title><![CDATA[tomcat 连接MySQL错误问题: HTTP Status 500]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/112242678</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/112242678</guid><author>SIR450481</author><pubDate>Tue, 05 Jan 2021 16:41:46 +0800</pubDate><description><![CDATA[tomcat 连接MySQL错误问题:

这个呢就是因为jar包版本不对，我的mysql数据库版本是8.0,而jar的是mysql5.x，所以我这里把mysql-connector-java-5.1.37.jar换成mysql-connector-java-5.1.49.jar的就行了

]]></description><category></category></item><item><title><![CDATA[Android layout布局调用]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/108705073</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/108705073</guid><author>SIR450481</author><pubDate>Mon, 21 Sep 2020 11:03:01 +0800</pubDate><description><![CDATA[&lt;include layout="@layout/xxx"/&gt;

在一个layout布局里直接引用其他layout布局文件，组成一个完整页面

]]></description><category></category></item><item><title><![CDATA[Android imageview属性]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/108555353</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/108555353</guid><author>SIR450481</author><pubDate>Sat, 12 Sep 2020 21:24:20 +0800</pubDate><description><![CDATA[Android Imageview 固定大小等比例缩放
    android:scaleType="fitCenter"


]]></description><category></category></item><item><title><![CDATA[HTML   炫酷效果-------代码雨]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/93130766</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/93130766</guid><author>SIR450481</author><pubDate>Thu, 20 Jun 2019 20:55:30 +0800</pubDate><description><![CDATA[&lt;html&gt;
   
&lt;head&gt;   
    &lt;meta http-equiv="Content-Type" content="text/html;charset=utf-8"&gt;
    
    &lt;style type="text/css"&gt;
        html, body {
            width: 100%;
     ...]]></description><category></category></item><item><title><![CDATA[二叉树的遍历和应用]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/84037867</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/84037867</guid><author>SIR450481</author><pubDate>Tue, 13 Nov 2018 22:47:29 +0800</pubDate><description><![CDATA[#include &amp;quot;stdio.h&amp;quot;
#include &amp;quot;malloc.h&amp;quot;
typedef  char ElemType; 
typedef struct BiTreeNode 
{	ElemType data ;      //树的数据域为字符型
	struct BiTreeNode *LChild ;//*左孩子指针
	struct BiTreeNode *RChild ; //*右孩子指针...]]></description><category></category></item><item><title><![CDATA[c语言--线性表的链式存储]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/83990311</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/83990311</guid><author>SIR450481</author><pubDate>Mon, 12 Nov 2018 13:05:31 +0800</pubDate><description><![CDATA[#include &quot;stdio.h&quot;
#include &quot;malloc.h&quot;
#define datatype int
#define   ERROR 0
#define OK  1
typedef int ElemType;
typedef struct node
{  
	datatype data;        //链表的数据域
   struct node *next;    //链表的...]]></description><category></category></item><item><title><![CDATA[c语言--线性表的顺序存储]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/83690481</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/83690481</guid><author>SIR450481</author><pubDate>Sat, 03 Nov 2018 20:27:41 +0800</pubDate><description><![CDATA[实现线性表创建、插入、删除、查找和显示线性表中元素等基本操作
#include &quot;stdio.h&quot;
#include &quot;malloc.h&quot;
#define MAXSIZE   200        //线性表允许的最大长度
#define datatype int
typedef  struct              //定义线性表的结构
{   datatype  data[MAXSIZE]...]]></description><category></category></item><item><title><![CDATA[JavaScript小白第一步]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/82564098</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/82564098</guid><author>SIR450481</author><pubDate>Sun, 09 Sep 2018 23:53:34 +0800</pubDate><description><![CDATA[&amp;lt;!DOCTYPE html&amp;gt;
&amp;lt;html lang=&quot;en&quot;&amp;gt;
&amp;lt;head&amp;gt;
    &amp;lt;meta charset=&quot;UTF-8&quot;&amp;gt;
    &amp;lt;title&amp;gt;Title&amp;lt;/title&amp;gt;

&amp;lt;/head&amp;gt;
&amp;lt;body&amp;gt;
&amp;lt;h1&amp;g]]></description><category></category></item><item><title><![CDATA[编写一个Java Application应用程序，求1~1000之间所有的偶数的和]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81741661</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81741661</guid><author>SIR450481</author><pubDate>Thu, 16 Aug 2018 14:54:42 +0800</pubDate><description><![CDATA[package jike;
public class Kg{
    public static void main(String [] args){
        int sum=0;
        for(int x=1;x&amp;lt;=1000;x++)
            if(x%2==0)
                sum+=x;
        System.out.pri...]]></description><category></category></item><item><title><![CDATA[Java引用传递实例：从属关系]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81664743</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81664743</guid><author>SIR450481</author><pubDate>Tue, 14 Aug 2018 12:22:19 +0800</pubDate><description><![CDATA[package CS;
class Person{
    private String name;
    private int age;
    private Dog Dog;
    public Person(String name,int age){
        this.name=name;
        this.age=age;
    }
    public void...]]></description><category></category></item><item><title><![CDATA[Java下拉组合框]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81542390</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81542390</guid><author>SIR450481</author><pubDate>Thu, 09 Aug 2018 19:00:27 +0800</pubDate><description><![CDATA[package First;
import java.awt.*;
import javax.swing.*;
import javax.swing.border.Border;

class Win{
    void go(){
         JFrame jf=new JFrame(&amp;quot;下拉组合框&amp;quot;);

         String[] ItemList1 = { &amp;quot;item1&amp;quot;, &amp;quot;...]]></description><category></category></item><item><title><![CDATA[Java for循环——九九乘法表]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81512828</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81512828</guid><author>SIR450481</author><pubDate>Wed, 08 Aug 2018 17:54:04 +0800</pubDate><description><![CDATA[package df;

public class sir {

       public static void main(String[] args){
      for(int i=1;i&amp;lt;=9;i++){
      for(int j=1;j&amp;lt;=i;j++){
      System.out.print(j+&quot;*&quot;+i+&quot;=&quot;+i*j+'\t');
      }
  ...]]></description><category></category></item><item><title><![CDATA[Java最简单的有色单选框]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81382501</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81382501</guid><author>SIR450481</author><pubDate>Fri, 03 Aug 2018 10:17:26 +0800</pubDate><description><![CDATA[package gf;
import java.awt.*;
import java.swing.*;
import java.swing.border.Border;

Class Window{
    void go(){
    JFrame jf=new JFrame(&amp;amp;amp;amp;quot;单选框&amp;amp;amp;amp;quot;);
        JRadioButton jr1=new JRadioButton(&amp;amp;amp;amp;quot;红色]]></description><category></category></item><item><title><![CDATA[JAVA按钮板块，简单的按钮实现]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81327369</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81327369</guid><author>SIR450481</author><pubDate>Wed, 01 Aug 2018 11:15:10 +0800</pubDate><description><![CDATA[这里写代码片

package gf; 
import java.awt.Color; 
import java.awt.event.*;

import javax.swing.*; 
public class sir implements ActionListener { 
    JButton bme=new JButton(“问世间”); 
    JButton ame=new JBu...]]></description><category></category></item><item><title><![CDATA[简单的水仙花数]]></title><link>https://blog.youkuaiyun.com/SIR450481/article/details/81316259</link><guid>https://blog.youkuaiyun.com/SIR450481/article/details/81316259</guid><author>SIR450481</author><pubDate>Tue, 31 Jul 2018 16:43:40 +0800</pubDate><description><![CDATA[public class sir {

public static void main(String[] args) {


          int a=0;
          int b=0;
          int c=0;
          for(int i=100;i&amp;amp;lt;999;i++)
          {
           a=i/100;
          ...]]></description><category></category></item></channel></rss>