forfiles /p D:\Logs\IISLogs /s /m *.log /d –30 /c "cmd /c delete @path"forfiles /p D:\Set9527 /s /c "cmd /c echo @relpath"
class Program
{
static void Main(string[] args)
{
//讀進要做的動作" + , - , * , / "
string s = Console.ReadLine();
//建立一個委派
MyDelegate d;
//依照傳入的動作，選擇要傳入委派的方法
switch (s)
{
case "+":
d = new MyDelegate(加法);
break;
case "-":
d = new MyDelegate(減法);
break;
case "*":
d = new MyDelegate(乘法);
break;
case "/":
d = new MyDelegate(除法);
break;
default:
d = new MyDelegate(加法);
break;
}
//使用該委派
int Answer = d(5, 2);
Console.WriteLine(Answer);
Console.ReadKey();
}
//用static是因為我懶的new出物件，但要視情況用
public static int 加法(int x, int y)
{
return (x + y);
}
public static int 減法(int x, int y)
{
return (x - y);
}
public static int 乘法(int x, int y)
{
return (x * y);
}
public static int 除法(int x, int y)
{
if (y != 0)
return (x / y);
return 0;
}
public delegate int MyDelegate(int x, int y);
}
switch (s)
{
case "+":
d = delegate(int x, int y)
{
return x + y;
};
break;
case "-":
d = (int x, int y) => { return x - y; };
break;
case "*":
d = (int x,int y) => x * y;
break;
case "/":
d = (x, y) => y != 0 ? x / y : 0;
break;
default:
d = new MyDelegate(加法);
break;
}
public static int MyFunc(Func<int, int, int> fun, int x, int y)
{
return fun(x, y);
}
class Program
{
static void Main(string[] args)
{
string s = Console.ReadLine();
Func<int, int, int> f;
// 依照輸入的運算符號選擇要存的方法
// 記得!!Func<>是可以存方法的變數，
// 所以+我存了一個加法的方法
// -是用delegate存匿名方法
// *、/ 是用lambda存方法
switch (s)
{
case "+":
f = 加法;
break;
case "-":
f = delegate(int x, int y) { return x - y; };
break;
case "*":
f = (int x, int y) => x * y;
break;
case "/":
f = (x, y) => y != 0 ? x / y : 0;
break;
default:
f = 加法;
break;
}
//使用MyFunc方法
int answer = MyFunc(f, 5, 2);
//也可以這樣寫喔，傳入匿名的Func
//int answer = MyFunc((x, y) => x + y, 5, 5);
Console.WriteLine(answer);
Console.ReadKey();
}
public static int MyFunc(Func<int, int, int> fun, int x, int y)
{
return fun(x, y);
}
public static int 加法(int x, int y)
{
return (x + y);
}
}
<meta name="viewport" content="width=device-width, initial-scale=1" />
<!--[if lt IE 9]>
<script src="http://css3-mediaqueries-js.googlecode.com/svn/trunk/css3-mediaqueries.js"></script>
<![endif]-->
width:xxx px;
width: xx%;
width:auto;
body {
font: normal 100% Helvetica, Arial, sans-serif;
}
h1 {
font-size: 1.5em;
}
small {
font-size: 0.875em;
}
.main {
float: right;
width: 70%;
}.leftBar {
float: left;
width: 25%;
}
<link rel="stylesheet" type="text/css"
media="screen and (max-device-width: 400px)"
href="tinyScreen.css" />
<link rel="stylesheet" type="text/css"
media="screen and (min-width: 400px) and (max-device-width: 600px)"
href="smallScreen.css" />
@import url("tinyScreen.css") screen and (max-device-width: 400px);
@media screen and (max-device-width: 400px) {.column {
float: none;
width:auto;
}#sidebar {
display:none;
}}
img { max-width: 100%;}
img, object { max-width: 100%;}
img { width: 100%; }
img { -ms-interpolation-mode: bicubic; }
addLoadEvent(function() {var imgs = document.getElementById("content").getElementsByTagName("img");imgSizer.collate(imgs);});
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| @media screen and (max-width: 600px){ .class { background: #ccc; }} |
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| <link rel="stylesheet" media="screen and (max-width: 600px)" href="small.css" /> |
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| @media screen and (min-width: 900px){ .class { background: #666; }} |
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| @media screen and (max-device-width: 480px){ .class { background: #000; }} |
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| <link rel="stylesheet" media="only screen and (-webkit-min-device-pixel-ratio: 2)" type="text/css" href="iphone4.css" /> |
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| <link rel="stylesheet" media="all and (orientation:portrait)" href="portrait.css"> <link rel="stylesheet" media="all and (orientation:landscape)" href="landscape.css"> |