小编Peñ*_*eña的帖子

我尝试使用以下代码自定义.Net垂直进度条(使用Visual 2010):

<ProgressBar Name="VolumeMeter" Orientation="Vertical" Margin="4,30,0,0" Value="50" HorizontalAlignment="Left" VerticalAlignment="Top" Height="300" Width="10">
        <ProgressBar.Template>
            <ControlTemplate TargetType="ProgressBar">
                <Border BorderBrush="Green" BorderThickness="1">
                    <Grid Name="PART_Track" Background="Red">
                        <Rectangle Name="PART_Indicator" Fill="Blue"/>                            
                    </Grid>
                </Border>
                <ControlTemplate.Triggers>
                    <Trigger Property="Orientation" Value="Horizontal">
                        <Setter TargetName="PART_Indicator" Property="VerticalAlignment" Value="Stretch"/>
                        <Setter TargetName="PART_Indicator" Property="HorizontalAlignment" Value="Left"/>
                    </Trigger>
                    <Trigger Property="Orientation" Value="Vertical">
                        <Setter TargetName="PART_Indicator" Property="VerticalAlignment" Value="Bottom"/>
                        <Setter TargetName="PART_Indicator" Property="HorizontalAlignment" Value="Stretch"/>
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </ProgressBar.Template>
    </ProgressBar>

但是,它没有显示进展,有什么不对？

我按照https://developers.google.com/bigquery/authorization#service-accounts-appengine中的说明 从app引擎到bigquery进行了一些查询.

在第2步中,我点击Google Api控制台中的团队,然后重定向到App Engine>管理>权限.我将服务帐户名称添加为电子邮件,并选择我选择开发人员的角色("可以编辑"选项不可用),然后单击"邀请用户".之后,会显示一条消息:"已将电子邮件发送至xxxxxx@appspot.gserviceaccount.com进行验证." 状态为待定.我如何确认电子邮件？,似乎这里有一个错误...

接下来,我使用以下代码进行了测试:

#!/usr/bin/env python
import httplib2
import webapp2
from google.appengine.api import memcache
from apiclient.discovery import build
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
from oauth2client.appengine import AppAssertionCredentials 

# BigQuery API Settings
PROJECT_NUMBER        = 'XXXXXXXX' 

credentials = AppAssertionCredentials(scope='https://www.googleapis.com/auth/bigquery')
http        = credentials.authorize(httplib2.Http(memcache))
service     = build("bigquery", "v2", http=http)

class MainHandler(webapp2.RequestHandler):
    def get(self):
        query     = {'query':'SELECT word,count(word) AS count FROM publicdata:samples.shakespeare GROUP BY word;',
                     'timeoutMs':10000}
        jobRunner = service.jobs()
        reply     = jobRunner.query(projectId=PROJECT_NUMBER,body=query).execute()
        self.response.out.write(reply)

app = webapp2.WSGIApplication([
    ('/', …

有一种方法可以在firebase-admin python sdk中添加服务器时间戳吗？我尝试：

firestore.SERVER_TIMESTAMP
firestore.constants.SERVER_TIMESTAMP

但是，我得到这个例外：

TypeError: ('Cannot convert to a Firestore Value', <object object at 0x10380fc20>, 'Invalid type', <class 'object'>)