我对扩展坞面板只了解一点,下面是使用的代码:
<DockPanel LastChildFill="True" >
<StackPanel Orientation="Horizontal" DockPanel.Dock="Top" VerticalAlignment="Center" Margin="10" >
<StackPanel Orientation="Horizontal" DockPanel.Dock="Left" VerticalAlignment="Center" >
<TextBlock Height="24" Name="Welcome" Text="Welcome" FontSize="14" />
</StackPanel>
<StackPanel Orientation="Horizontal" DockPanel.Dock="Right" VerticalAlignment="Center" >
<TextBlock Height="24" Name="Welcomee" Text="Welcomee" FontSize="14" />
</StackPanel>
</StackPanel>
</DockPanel>
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结果是这样的:
WelcomeWelcomee
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但是,代码必须导致如下所示:
Welcome Welcomee
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所以,请您告诉我我在哪里误解了这个概念。
我对linq有点新,我只使用linq来过滤数据.现在,我想为下面写一个查询:
For Each k As String In con.Numbers.Keys
con.Numbers(k).Primary = False
Next
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Con.Numbers是一个字典,但现在我把它转换成一个列表,因此上面的代码不能用于列表,请你告诉我如何用Linq实现它是Con.NUmbers是一个列表.谢谢.
附加信息:类结构是:
Public Class ContactCon
Property ConId As String
Property ConRowID As String
Property Title As String
Property Mob1 As String
Property Mob2 As String
Property Land1 As String
Property Land2 As String
Property Email1 As String
Property Email2 As String
Property Fax1 As String
Property Fax2 As String
Property Primary As Boolean
Public Sub New()
ConId = ""
ConRowID = ""
Title = "Contact1"
Mob1 = "" …Run Code Online (Sandbox Code Playgroud) 我收到错误,因为"getresponse()得到了一个意外的关键字参数'缓冲'".完整的错误日志是:
[INFO ] Kivy v1.8.0
[INFO ] [Logger ] Record log in C:\Users\Sudheer\.kivy\logs\kivy_14-08-15_21.txt
[INFO ] [Factory ] 157 symbols loaded
[DEBUG ] [Cache ] register <kv.lang> with limit=None, timeout=Nones
[DEBUG ] [Cache ] register <kv.image> with limit=None, timeout=60s
[DEBUG ] [Cache ] register <kv.atlas> with limit=None, timeout=Nones
[INFO ] [Image ] Providers: img_tex, img_dds, img_pygame, img_gif (img_pil ignored)
[DEBUG ] [Cache ] register <kv.texture> with limit=1000, timeout=60s
[DEBUG ] [Cache ] register <kv.shader> with limit=1000, timeout=3600s
[DEBUG ] [App ] …Run Code Online (Sandbox Code Playgroud) 我的容器应用程序想要从主机访问 Mysql,但无法连接。我用谷歌搜索了很多并尝试了很多解决方案,但无法找出错误,你能帮我解决这个问题吗?
尝试了 docker 卸载、重新安装、镜像修剪、容器修剪、WSL 停止和启动、主机文件注释以下行:
192.168.1.8 host.docker.internal
192.168.1.8 gateway.docker.internal
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以下是容器中的 ipconfig
Nslookup 和 Ping 命令:
网络LS:
码头工人组成:
version: "3.9"
services:
web:
container_name: dinesh_server_container
image: dinesh_server:1
build: .
ports:
- "8000:80"
- "8001:81"
volumes:
- .\rowowcf:c:\rowowcf
- .\rowowcf_supportfiles:c:\rowowcf_supportfiles
- .\rowocollectionsite:c:\rowocollectionsite
environment:
TZ: Asia/Calcutta
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构建映像使用:来自mcr.microsoft.com/dotnet/framework/aspnet:4.8
主机操作系统: Win 10 Pro 10.0.19043 Build 19043
HyperV也已启用。
也尝试了以下方法:
extra_hosts:
- "host.docker.internal:host-gateway"
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由于它在 Windows 操作系统上 - 不支持主机网络模式(根据我的研究)
我从一段时间开始尝试这个,但我无法绕过它.以下是aspx页面显示的代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
Test<br />
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
</asp:DropDownList>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
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以下是button1单击事件的代码:
Public Class WebForm1
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
End Sub
Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles DropDownList1.SelectedIndexChanged
Label1.Text …Run Code Online (Sandbox Code Playgroud) 我正在尝试显示一个带有闪亮网站的 iframe,但它总是显示空白页面。
以下是来自不同问题的代码
代码:
rm(list = ls())
library(shiny)
members <- data.frame(name=c("Name 1", "Name 2"), nr=c('BCRA1','FITM2'))
ui <- fluidPage(titlePanel("Getting Iframe"),
mainPanel(fluidRow(
htmlOutput("my_test")
)
)
)
server <- function(input, output) {
output$my_test <- renderUI({
tags$iframe(src='https://www.google.co.in/', height=600, width=535)
})
}
shinyApp(ui, server)
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输出:
为什么我无法显示任何网站。请帮助我,我谷歌了很多并尝试了很多选项,包括 renderUI;htmloutput 和 uioutput 面板。
我正在尝试MVVM模式基本级别,并在ICommand CanExecute发生了变化.我有XAML绑定如下:
<ListBox ItemsSource="{Binding Contact.Addresses}" x:Name="AddressCollections" Height="152" SelectedValue="{Binding SelectedAddress}"
DockPanel.Dock="Top" />
<Button Content="Add" Command="{Binding AddAddressCommand}" DockPanel.Dock="Top" />
<Button Content="Remove" Command="{Binding DeleteAddressCommand}" DockPanel.Dock="Bottom" />
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命令:
Public Class DeleteCommand
Implements ICommand
Private method As Object
Private methodname As String
Public Sub New(ByVal Controlname As String, ByVal mee As Object)
methodname = Controlname
method = mee
End Sub
Public Function CanExecute(parameter As Object) As Boolean Implements ICommand.CanExecute
Select Case methodname
Case "Address"
Return TryCast(method, ModelView.Contacts.ContactMV).CanDeleteAddress()
Case "Numbers"
Return TryCast(method, ModelView.Contacts.ContactMV).CanDeleteNumbers
Case Else : …Run Code Online (Sandbox Code Playgroud) 我是Python和Kivy的新手,这是我的第一个小项目,不知道我做错了什么,以下是来自pydev(eclipse)的日志:
[INFO ] Kivy v1.8.0
[INFO ] [Logger ] Record log in C:\Users\Sudheer\.kivy\logs\kivy_14-06-21_10.txt
[INFO ] [Factory ] 157 symbols loaded
[DEBUG ] [Cache ] register <kv.lang> with limit=None, timeout=Nones
[DEBUG ] [Cache ] register <kv.image> with limit=None, timeout=60s
[DEBUG ] [Cache ] register <kv.atlas> with limit=None, timeout=Nones
[INFO ] [Image ] Providers: img_tex, img_dds, img_pygame, img_gif (img_pil ignored)
[DEBUG ] [Cache ] register <kv.texture> with limit=1000, timeout=60s
[DEBUG ] [Cache ] register <kv.shader> with limit=1000, timeout=3600s
[INFO ] [Text ] …Run Code Online (Sandbox Code Playgroud) 我的Kivy语言文件有很多font_size属性,都有相同的值,在那里我可以在KV lang中分配一个变量?当前KV文件样本:
#User ID
Label:
text: 'User ID'
font_size: 20
text_size: self.size
TextInput:
id: userid
font_size: 20
#User PW
Label:
text: 'Password'
font_size: 20
text_size: self.size
TextInput:
id: password
password: True
font_size: 20
Button:
text: 'Login'
font_size: 20
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有可能设置它有点像这样:
#User ID
@fs: 20
Label:
text: 'User ID'
font_size: fs
text_size: self.size
TextInput:
id: userid
font_size: fs
#User PW
Label:
text: 'Password'
font_size: fs
text_size: self.size
TextInput:
id: password
password: True
font_size: fs
Button:
text: 'Login'
font_size: fs
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通过这样做,我只能通过更改FS变量值来立即更改字体大小,同样,类似的解决方案可以帮助我更快地创建基于主题的文件.谢谢.
如何在窗口小部件之间插入线(分隔符),以及在KV文件中为网格视图插入颜色边框:
TextBox只是一个功能的TextInput盒子max_chars.
目前的KV档案:
<Label@Label>
text_size: self.size
valign: 'middle'
<ContactFrm>
padding: 5,5
orientation: 'vertical'
#row_default_height: '36dp'
#cols:1
#spacing: 0,0
GridLayout:
cols: 4
row_default_height: '32dp'
row_force_default: True
spacing: 10,0
size_hint_y: None
#height:34
Label:
text: 'Name'
size_hint_x: 0.5
TextBox:
id:name
max_chars:35
Label:
text: 'Contact Name'
size_hint_x: 0.5
TextBox:
id:contactname
max_chars:35
GridLayout:
cols: 4
row_default_height: '32dp'
row_force_default: True
spacing: 10,0
size_hint_y: None
#height: 36
Label:
text: 'Mobile 1'
size_hint_x: 0.5
TextBox:
id:mob1
max_chars:35
Label:
text: 'Mobile 2'
size_hint_x: 0.5 …Run Code Online (Sandbox Code Playgroud) 我正在尝试使用WPF为大学构建一个小应用程序,它不是一个网络应用程序,我正在使用sql server 2008用于此目的,我很想知道WCF是否可以用于此目的,并且请让我们知道为什么以及为什么不为此目的使用WCF.
DB在包含所有类等的代码库项目中处理.
谢谢你的时间.
我正在尝试编写一个类库,我收到以下错误:"类型'WorkMateLib.Login'的值无法转换为'WorkMateLib.Login'的1维数组'"
类的代码如下:
Public Class Logins
Public CurrentUser As Login()
Public Sub New()
CurrentUser = New Login()
End Sub
Public Function Authenticate(ByVal id As String, ByVal pw As String)
Dim adpt As New WorkMateDataSetTableAdapters.LoginsTableAdapter
For Each k As WorkMateDataSet.LoginsRow In adpt.GetDataByUserName(id)
If String.Equals(k.UserPW, pw) Then
CurrentUser = New Login(k.UserName, k.UserPW, k.UserType)
Return CurrentUser
Exit Function
End If
Next
CurrentUser = Nothing
Return Nothing
End Function
End Class
Public Class Login
Private _UserName As String
Private _UserPW As String
Private _UserType As …Run Code Online (Sandbox Code Playgroud)