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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...的 架构图：
上图中有个TDDL，是taobao的一个数据访问层组件，他主要的作用是SQL解析、路由处理。根据应用的请求的功能解析当前访问的sql判断是在哪个业务数据库、哪个表访问查询并返回数据结果。具体如图：
说了这么...
ssh: connect to host github.com port 22: Connection timed out
...while on a hotspot (3/4G connection). Switching to a different connection (WiFi) resolved it, but it's just a workaround - I didn't get the chance to get to the bottom of the issue so the other answers might be more interesting to determine the underlying issue
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How to set HttpResponse timeout for Android in Java
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How to find? Device is connected to wifi but not actually active data getting through wifi.
– Ganesh Katikar
Aug 14 '14 at 13:02
add a c...
How do you access a website running on localhost from iPhone browser
...ersonal hot spot on the iPhone (being connected via USB) 2. switch off the wifi on your mac. This way the iPhone turns to router and you will see the IP address again.
– gazdagergo
Mar 26 '19 at 9:53
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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
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动机
App Inventor允许使用ActivityStarter组件启动其他活动。不幸的是，启动已安装的应用程序非常麻烦。根据说明，必须下载要启动的应用程序的.apk并找到包名。这两者都不容易也不总是可能的。
这个扩展简...
Debugging sqlite database on the device
I am presently working on an WiFi application for Android. I am having trouble trying to access the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...less+js为主开发。
https://github.com/Tencent/wepy 微信小程序组件化开发框架，js为主开发。
https://github.com/Tencent/omi Omi 打造的跨框架、跨主题 UI 组件库，js为主开发。
5、运维/运营：
https://github.com/Tencent/bk-cmdb 蓝鲸智...
Official reasons for “Software caused connection abort: socket write error”
... interface 127.0.0.1).
If the machine is has its network disconnected (eg wifi turned off) then the connection is formed. If the machine is connected to the corporate network (directly or vpn) then the connection is formed.
However, if the machine is connected to a public wifi (or home network) th...
iOS Remote Debugging
...Install nodejs
npm install -g weinre
weinre --boundHost -all-
Open http://{wifi-ip-address}:8080/ and copy the target script code
Paste the script tag into your page (or use the bookmarklet)
Click on the link to the debug client user interface (http://{wifi-ip-address}:8080/client/#anonymous)
When y...
Alarm 闹钟扩展 · App Inventor 2 中文网
...ntent对象用于指定闹钟触发时要执行的操作。
此AlarmIntent组件是属性的集合。它既没有函数也没有事件。
ActionType 指定使用意图触发哪个操作：
Screen：点击通知时，打开您自己应用程序的指定屏幕
Launcher：点击通知将打开...