Google Apps有一个" Google Apps电子邮件设置API ",可以通过API调用创建新的邮件过滤器.
是否有任何(可能是未记录的)方法来获取当前过滤器列表并更新它们?
I have the following two queries. The first one works fine however the last one which uses location__dwithin returns back Unable to get repr for . Any suggestions on why the last one fails ?
querySet = modelEmployee.objects.filter(location__distance_lte=(modelemp.location, D(mi=150)))
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and the other one is:
querySet = modelEmployee.objects.filter(location__dwithin=(modelemp.location, D(mi=150)))
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This is what my modelEmployee looks like
class modelEmployee(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE, null=True, blank=True)
title = models.CharField(max_length=200, unique=False, blank=False, null=True)
skills = models.ManyToManyField(modelSkill, blank=True)
location = models.PointField(srid=32148,max_length=40, blank=True,null=True)
objects = GeoManager() …Run Code Online (Sandbox Code Playgroud) 我正在尝试将一个简单的烧瓶应用程序移植到sanic,使用sanic和jinja的示例.
sanic有url_for()像烧瓶这样的功能吗?
我正在尝试做这样的事情:
import asyncio
from itertools import islice
async def generate_numbers(n):
for x in range(n):
yield x
async def consume_numbers(n):
async for x in generate_numbers(n):
print(x)
async def consume_some_numbers(n,m):
async for x in islice(generate_numbers(n),m): #<-- This doesn't work. islice doesn't recognize async iterators as iterators.
print(x)
loop = asyncio.get_event_loop()
loop.run_until_complete(consume_numbers(10))
loop.run_until_complete(consume_some_numbers(10,5))
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有没有办法让这个工作,或者至少获得类似的功能?
为 Jupyter Lab(通过 anaconda 安装)创建自定义 css(所有文档全局)的最简单方法是什么?
I have created a Django project with the new JSONField announced in Django 3.1, which supports all databases.
I have successfully used this field on a linux machine, but running python manage.py migrate with the same project on Windows fails with the following message:
(fields.E180) SQLite does not support JSONFields.
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The same versions of Python and Django are used in both PCs.
这个简单的组件:
const Editable = ({multiline}: { multiline: boolean }) => {
const ref = useRef<HTMLInputElement|HTMLTextAreaElement>(null);
return <div>
{multiline ? <textarea ref={ref}/> : <input ref={ref}/>}
</div>
}
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有以下打字稿错误:
Error:(7, 32) TS2322: Type 'RefObject<HTMLInputElement | HTMLTextAreaElement>' is not assignable to type 'string | ((instance: HTMLTextAreaElement | null) => void) | RefObject<HTMLTextAreaElement> | null | undefined'.
Type 'RefObject<HTMLInputElement | HTMLTextAreaElement>' is not assignable to type 'RefObject<HTMLTextAreaElement>'.
Type 'HTMLInputElement | HTMLTextAreaElement' is not assignable to type 'HTMLTextAreaElement'.
Type 'HTMLInputElement' is missing the following properties …Run Code Online (Sandbox Code Playgroud) 我需要在主django站点管理页面显示对象数量.例如,在我需要显示的模型列表中
Elephants (6)
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代替
Elephants
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我将此代码添加到我的模型中:
class Elephant(models.Model):
....
class Meta:
verbose_name_plural = 'Elephants ' + '(' + unicode(count_elephants()) + ')'
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其中count_elephants()计算对象数.问题是verbose_name_plural是在服务器启动时计算的,在删除/插入对象时不会调用,因此该计算值变得无关紧要.是否有可能以正确的方式做到这一点?谢谢!
我是从Sanic开始的......
Sanic是一款类似Flask的Python 3.5+ Web服务器,可以快速编写.(...)除了像Flask一样,Sanic支持异步请求处理程序.这意味着您可以使用Python 3.5中新的闪亮的async/await语法,使您的代码无阻塞且快速.
......到目前为止,关于如何使用他的例子很少,而且文档也不是那么好.
按照文档基本示例,我们有
from sanic import Sanic
from sanic.response import json
app = Sanic()
@app.route("/")
async def test(request):
return json({"test": True})
if __name__ == '__main__':
app.run(host="0.0.0.0", port=8000)
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例如,如何使用自定义状态代码返回自定义响应?
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