我想知道有没有办法检查批处理文件中是否存在标签?
If %input%=ABC (
If Label ABC Exists (
Goto ABC
)
)
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我怎样才能做到这一点?任何帮助将不胜感激.
我有一个问题variable in variable(代码如下):
set a=1
set b=a
echo %%b%%
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预期的结果是:
1
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作为a被分配给变量b并1分配给变量a.
另外,还有另一种情况:
set b=a
set a1=100
set c=1
call set d=%a%c%%
echo %d%
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我希望程序先打开%c%来1,然后转%a1%来100.
预期的产出是100.
完成此任务的最简单方法是什么?
我有个问题.
如何在纯文本文件中执行命令?
我知道这看起来很疯狂,我可以简单地将其重命名为.bat文件,但这对我来说很重要.
如果不重命名,我可以在CMD中执行吗?
我知道我可以这样做:
ren command.txt command.bat & call command.bat & ren command.bat command.txt
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但这太不方便了.有更简单的方法吗?
在Ctrl+ Shift+ 期间没有反应的代码H被按下:
Private Sub HideMode(ByVal sendeer As System.Object, ByVal e As KeyEventArgs) Handles Me.KeyDown
Select Case CInt(e.KeyCode)
Case Keys.ControlKey
If e.Shift AndAlso e.KeyValue = Convert.ToInt32(Convert.ToChar(Keys.H)) Then
MsgBox("Test hide function")
End If
End Select
End Sub
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预期的结果是,按Ctrl+ Shift+ Ha后msgbox会显示文字"Test hide function"
这里的错误是什么?
我在 .bat 文件中添加一行,如下所示:
path %~dp0;%PATH%
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但显示此消息:
\common 此时出乎意料。
让我告诉你路径。
PATH=C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program File
s (x86)\Common Files\Microsoft Shared\Windows Live;c:\Program Files (x86)\AMD AP
P\bin\x86_64;c:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windo
ws;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;c:\Progr
am Files (x86)\ATI Technologies\ATI.ACE\Core-Static\;C:\Program Files (x86)\Sony
\VAIO Startup Setting Tool;;C:\Program Files (x86)\Windows Live\Shared;C:\Progra
m Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\P
rogram Files (x86)\Common Files\Thunder Network\KanKan\Codecs;C:\Program Files\C
alibre2\
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这就是路径。我要添加的路径(%~dp0)是:
C:\Users\Workspace\Desktop\Files\Programming\GoogleSearch\
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这对我很重要。
谢谢你。
我最近使用了由Ryan Niemeyer创建的knockoutjs和kendo UI的精彩绑定,我尝试找出javascript代码中的一些功能.
当我们没有传递这样的参数时,JQuery究竟做了什么:
if (!$()["kendoComboBox"]) {
...
}
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<html>
<body>
<script>
function myFunction(var1,var2){
number=var1+var2
document.write(number)
}
</script>
<form>
Number 1 : <input type="text" name="no1"><br>
Number 2 : <input type="text" name="no2"><br>
<input type="button" onclick="myFunction(this.form.no1.value,this.form.no2.value)" value="submit">
</form>
<p id="demo></p
</body>
</html>
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当我为数字1插入10时,为数字2插入20时,输出为:
1020
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但我希望它显示30.我该怎么办?
**我尝试了myFunction(10,20),结果是30.
码:
Imports System
Imports System.IO
Imports System.Text
Public Class Browser
Dim Tab1Url As String = ""
Dim Tab2Url As String = ""
Dim TabNumber As Integer = 1
Dim DefaultHomePageSavedLocation As String = "C:\ToolBoxData\TinyBrowser\Home.txt"
Private Sub WebBrowser1_Navigating(ByVal sender As Object, ByVal e As System.Windows.Forms.WebBrowserNavigatingEventArgs) Handles WebBrowser1.Navigating
Label2.Text = "[BROWSER] Loading in Progress......"
ProgressBar1.Value = 50
End Sub
Private Sub ToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripMenuItem1.Click
WebBrowser1.GoBack()
Label2.Text = "[BROWSER] Going to Last History......"
ProgressBar1.Value = 0 …Run Code Online (Sandbox Code Playgroud) 代码:
<?php
$con=mysqli_connect("mysql17.000webhost.com","login","pwd","db");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysql_connect_error();
}
$filter = mysqli_query($con,"SELECT * FROM bad_words");
$content = mysqli_fetch_array( $filter );
$old_word = $_POST("input");
$old_word = str_ireplace($content['word'], '[foul]', $old_word);
$filtered_word = $old_word;
Print($filtered_word);
mysqli_close($con);
?>
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错误信息 :
致命错误:函数名称必须是第13行/home/a7593238/public_html/bad_filter.php中的字符串
请帮忙.
代码:
(HTML)
<html>
<head>
<title>Float Image Gallery</title>
</head>
<body>
<button onclick="showAllGalleries();">Show gallery</button>
<div id="myGallery" class="gallery">
<div class="gallery-close">
<img src="http://bit.do/closeicon" onclick="showAds" />
</div>
</div>
</body>
</html>
<style>
.gallery {
display:none;
width:100%;
height:100%;
left:0;
bottom:0;
top:auto;
right:auto;
position:fixed;
background-color:#cccccc;
opacity:50%;
}
.gallery-close {
width:auto;
height:auto;
margin-top:4px;
margin-left:4px;
}
<style>
<script>
function showMyGallery(){
document.getElementById('myGallery').style.display='inline';
}
function showAllGalleries(){
var adsArray = document.getElementsByClassName("gallery");
for (int i; i<adsArray.length; i++){
adsArray[i].style.display='inline';
}
}
function hideMyGallery(){
document.getElementById('myGallery').style.display='inline';
}
</script>
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但是,showAllGalleries()似乎不起作用.
我的Javascript代码有什么问题?
请尽量避免使用除Javascript之外的jQuery /语言来 …
代码:
<?php
$db=mysqli_connect("mysql17.000webhost.com","username","pwd","db");
if (mysqli_connect_errno()){
echo "Failed to connect to MySQL: " . mysql_connect_error();
}
$result = mysqli_query($db,"SELECT * FROM ChatBox");
Print "<div style='text-align:center;'>";
Print "<table border cellpadding=3 style='text-align:left;width:auto;left:auto;right:auto;display:inline-block;'>";
while($info = mysqli_fetch_array( $result ))
{
Print "<tr>";
Print "<th>User : </th> <td>".$info['User'] . " </td>";
Print "<th>Content : </th> <td>".$info['Content'] . " </td></tr>";
}
Print "</table></div>";
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使用此代码,它将按添加内容的时间顺序打印它,我想要的是按照添加内容的时间相反的顺序打印它.
例如
在添加内容
db 之前:
User | Content
ABC | Hello1
DEF | Hello2
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添加内容后
User | Content …Run Code Online (Sandbox Code Playgroud)