由于我原来的问题有点过于模糊,让我澄清一下.
我的目标是:
我想知道的是什么:
如何从django-taggit获取所有(唯一)标签?我想在侧栏中显示所有标签.目前我能够获得特定帖子的所有标签,但现在我需要在整个博客中获取所有唯一标签.
models.py中的代码:
from django.db import models
from taggit.managers import TaggableManager
# Create your models here.
class Post(models.Model):
title = models.CharField(max_length=100)
body = models.TextField()
created = models.DateTimeField()
tags = TaggableManager()
Run Code Online (Sandbox Code Playgroud) 如何获取进程的起始/基址?每个例子Solitaire.exe(solitaire.exe + BAFA8)
#-*- coding: utf-8 -*-
import ctypes, win32ui, win32process
PROCESS_ALL_ACCESS = 0x1F0FFF
HWND = win32ui.FindWindow(None,u"Solitär").GetSafeHwnd()
PID = win32process.GetWindowThreadProcessId(HWND)[1]
PROCESS = ctypes.windll.kernel32.OpenProcess(PROCESS_ALL_ACCESS,False,PID)
print PID, HWND,PROCESS
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我想计算一个内存地址,这样我需要solitaire.exe的基地址.
这是我的意思的图片:

这是我从google bigquery解析的数据:
{
u'kind': u'bigquery#queryResponse',
u'rows': [
{
u'f': [
{
u'v': u'the'
},
{
u'v': u'995'
},
{
u'v': u'1600'
}
]
},
{
u'f': [
{
u'v': u'the'
},
{
u'v': u'942'
},
{
u'v': u'1607'
}
]
},
{
u'f': [
{
u'v': u'the'
},
{
u'v': u'937'
},
{
u'v': u'1599'
}
]
},
{
u'f': [
{
u'v': u'the'
},
{
u'v': u'894'
},
{
u'v': u'1598'
}
]
},
{
u'f': [
{
u'v': …Run Code Online (Sandbox Code Playgroud) 我正在使用NewtonSoft Json.NET库来解析.NET应用程序中的JSON文件.我需要做的是传递节点的名称,并获取节点(如果存在),无论其事先未知的级别如何.
例如在一个文件中:
string json = @"{
""Name"": ""Apple"",
""Expiry"": new Date(1230422400000),
""Price"": 3.99,
""ATest"": {
""MyTest"":
[
""blah"",
""blah""
]
}
}";
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有没有办法只使用该值"MyTest"来获取该节点而不必知道父类的名称jObject["ATest"]["MyTest"][0]?
我正在尝试做一个非常简单的事情:获取图像的大小.
所以我创建了我,BitmapImage但是当我尝试访问PixelWidth和时,我得到0 PixelHeight.
我怎么能做到这一点呢?
编辑:(添加示例代码)
我只是这样做:
var baseUri = new Uri("ms-appx:///");
var bitmapImage = new BitmapImage(new Uri(baseUri, "Assets/Logo.png"));
MyImage.Source = bitmapImage;
Debug.WriteLine("Width: " + bitmapImage.PixelWidth + " Height: " + bitmapImage.PixelHeight);
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在控制台中,我得到:
Width: 0 Height: 0
Run Code Online (Sandbox Code Playgroud) 假设我们有一个像这样的XAML代码:
<Style TargetType="{x:Type ListBoxItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBoxItem}">
<Border HorizontalAlignment="Center" VerticalAlignment="Center">
<Border.LayoutTransform>
<!--We are rotating randomly each image. Selected one will be rotated to 45°.-->
<RotateTransform Angle="{Binding RandomAngle}" x:Name="globalRotation"/>
</Border.LayoutTransform>
<Grid>
<Image Source="{Binding ImageLocation}" Stretch="None" />
<TextBlock x:Name="title" Text="{Binding Title}" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="title" Property="Visibility" Value="Visible"/>
<!--The next line will not compile.-->
<Setter TargetName="globalRotation" Property="Angle" Value="45"/>
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<!--This compiles well.-->
<DoubleAnimation Storyboard.TargetName="globalRotation" Storyboard.TargetProperty="Angle" To="45" Duration="00:00:03"/>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate> …Run Code Online (Sandbox Code Playgroud) 假设我有一个变量名称数组:
var varNames = new Array("name1","name2","name3");
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我如何创建var name1,var name2并var name3通过循环varNames数组?
在我的应用程序中,用户可以委托另一个用户批准订单。
我需要验证的是,不存在循环引用,因此如果在某个时期内User A进行了委托,则不能在该时期内的任何时间进行委托,即存在重叠(日期):User BUser BUser Add/mm/yyyy
Delegator Delegated To DateFrom DateTo
User A User B 01/11/2012 08/11/2012
User A User B 16/12/2012 24/12/2012
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这是我必须检查重叠的代码:
var overlaps = .Session.QueryOver<DelegateOrderApproval>()
.Where(x => x.DateFrom > DateTime.Now && delegateOrderApproval.DelegatedUser.UserId == x.DelegatorUser.UserId)
.And(x => x.DateFrom >= delegateOrderApproval.DateFrom && delegateOrderApproval.DateTo <= x.DateTo
|| (x.DateFrom >= delegateOrderApproval.DateFrom && x.DateTo <= delegateOrderApproval.DateTo)
|| (x.DateFrom <= delegateOrderApproval.DateFrom && x.DateTo >= delegateOrderApproval.DateFrom)
|| (x.DateFrom <= delegateOrderApproval.DateFrom && x.DateTo >= delegateOrderApproval.DateTo))
.List();
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如果我尝试添加以下记录:
var overlaps …Run Code Online (Sandbox Code Playgroud) 我正在移动Safari中构建一个网页,其中包含固定的页眉/页脚和主要内容中的橡皮筋滚动:
html,
body {
margin: 0 0;
height: 100%;
width: 100%;
overflow: auto;
}
.header,
.footer {
height: 50px;
position: fixed;
z-index: 100;
width: 100%;
}
.header {
top: 0;
background-color: #44677F;
}
.footer {
bottom: 0;
background-color: #4E3AFF;
}
.container {
height: 100%;
overflow: auto;
-webkit-overflow-scrolling: touch;
}
.content {
background-size: 50px 50px;
background-color: #D0FCFF;
background-image: linear-gradient(#9DC9FF 50%, transparent 50%, transparent);
height: 2000px;
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0">
</head>
<body>
<header class="header"></header>
<div class="container"> …Run Code Online (Sandbox Code Playgroud)