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app 息屏后连接会断开，需要深入研究一下 - 用户反馈 - 清泛IT社区，为创新赋能！
如题，tcp，蓝牙，mqtt 等连接都会断开。
有办法避免吗？
重连策略有效解决吗？
App Inventor 2 NotificationStyle 拓展：个性化通知栏样式 · App Inventor 2 中文网
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App Inventor 2 NotificationStyle 拓展：个性化通知栏样式
NotificationStyle 拓展：个性化通知栏样...
Exposing database IDs - security risk?
...is is the only one that should ever be exposed to the client. Using random UUIDs for these is a practical solution for assigning these surrogate keys, even though they aren't cryptographically secure.
One place where cryptographically unpredictable identifiers is a necessity, however, is in session...
Render HTML to PDF in Django site
...source_meta = client.load_resource_metadata( rep_resource_path )
[uuid,out_mime,out_data] = self.client.generate_report(r_resource_path,r_format,r_params)
self.assertIsNotNone(uuid)
And here is an example of the invocation implementation:
from django.db import models
import reque...
Check whether user has a Chrome extension installed
... files will then be available using a URL like:
moz-extension://<random-UUID>/<path/to/resource>
This UUID is randomly generated for every browser instance and is not your extension's ID. This prevents websites from fingerprinting the extensions a user has installed.
However, while the...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
...L or null and don't use it anywhere. I don't see any obvious reason why a UUID would be more valuable than just some long value for ID. Disconnected mode? What's that?
– james
Nov 14 '14 at 13:17
...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...Dokan本身做介绍，与Dokan有关的资料及代码，请到google里搜索，或到Dokan的官方网站去下载(Dokan官网)，源码是C语言的，应用例子有Ruby、.Net及C的。如果想要Delphi的例子代码，只能自己去找了。
刚开始时由于不清楚如何用Dokan来实...
Django Rest Framework File Upload
... for both the cases
Models.py
class Posts(models.Model):
id = models.UUIDField(default=uuid.uuid4, primary_key=True, editable=False)
caption = models.TextField(max_length=1000)
media = models.ImageField(blank=True, default="", upload_to="posts/")
tags = models.ManyToManyField('Tags...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
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App Inventor 2 中的响应式设计
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Responsive Design in App Inventor
version 1.0: August 15, 2015
R...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...素等，对于我们样式的书写，需要使用div p {} 进行样式的指定，这也就是我们的后代选择器。不过写过项目的人都知道，为了防止样式的覆盖，每种选择器都是一大长串，写起来很麻烦。
less利用嵌套的书写方式，让我们在写后...