最新动态

--------------在原视图转跳到新视图-----------------------------@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button button=(Button) findViewById(R.id.button); bu

//99乘法表document.write("<table border=1>");for(i=1;i<10;i++){ document.write("<tr>"); for(j=1;j<10;j++) { document.write("<td>"+i+"*"+j+"="+(i*j)+"</td>"); } document.write("</tr>");}document.write("</table>");

document.write("sum="+sum+"<br/>");document.write("打印金字塔<hr/>");for(i=0;i<10;i++)//控制产生10行的金字塔{ for(j=0;j<10-i;j++){//打印空格 document.write("&nbsp;"); } for(k=0;k<2*i+1;k++)//打印星号 { document.write("*"); } document.write("<br/&g

var sum=0;var i;for(i=1;i<=100;i++){ sum=sum+i;//sum+=i;}document.write("sum="+sum+"<br/>");sum=0;i=1;//初始化while(i<=100){ sum=sum+i; i++;//修改循环条件变量}document.write("sum="+sum+"<br/>");

var cj=prompt("请输入你的考试成绩：",99);var score=parseInt(cj);if(cj==undefined){ score=90;}if(score>=90){ document.write(score+"是优秀<br/>");}else if(score>=80){ document.write(score+"是良好<br/>");}else if(score>=70){ document.write(score+"是中等<

wget ftp://10.32.18.195/CentOS-7-x86_64-DVD-1511.isomkdir /opt/imageclearcd /opt/imageqemu-img create -format -f raw -o test.img 10G生成镜像文件，新建一个镜像

============================创建密钥===========================红方框是：替换现有的Key文件路径红圆框是：创建新的Key保存路径第一个箭头是：密码第二个箭头是：别名第三个箭头是：别名密码--------------------------------------------------------------------------------------------------------------------------------------

===============================================安卓开发软件------------------------------import studio settings from 从导入工作室设置import英 [ɪm'pɔːt; 'ɪm-]  美 ['ɪmpɔt] n. 进口，进口货；输入；意思，含义；重要性studio英 ['stjuːdɪəʊ]  美 ['st

<script language="javascript"></script><script type="text/javascript">  var x=1.79e+308;  x=x+1;  alert(x);</script><script language="javascript">----------------------------------------------<script type="t

#!/bin/bashrepo="/etc/yum.repos.d/epel-7.repo"if [ ! -e $repo ]; then                 # -e 判断文件存在；参考：Shell if 条件判断文件或目录yum install -y wgetcd /etc/yum.repos.d/mkdir bakmv * bakwget http://mirrors.aliyun.com/repo