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物联网入门 · App Inventor 2 中文网
...手机上的 AI2 Companion。
本教程的起始工程：物联网入门.aia。
蓝牙基础工程：物联网基础连接.aia。
扩展包
下载 Arduino 101 扩展包。在 App Inventor 设计器的“扩展”面板中选择“导入扩展”，再选择下载的 .aix 文件。
Arduino ...
AccessibilityTools 无障碍工具扩展：执行返回、主页和最近任务等操作 · A...
...木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 ...
What is the best django model field to use to represent a US dollar amount?
I need to store a U.S. $ dollar amount in a field of a Django model. What is the best model field type to use? I need to be able to have the user enter this value (with error checking, only want a number accurate to cents), format it for output to users in different places, and use it to calculate...
Ruby: How to get the first character of a string
How can I get the first character in a string using Ruby?
13 Answers
13
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How to reset db in Django? I get a command 'reset' not found error
... edited May 14 at 12:17
Håken Lid
15.9k77 gold badges3535 silver badges5555 bronze badges
answered Aug 30 '13 at 22:06
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App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问.....
What's the pythonic way to use getters and setters?
...east a little bit of useful information."
– Jean-François Corbett
Mar 16 '17 at 15:11
7
How is t...
Can't push to GitHub because of large file which I already deleted
Currently I have
18 Answers
18
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App Inventor 2 Markdown 自研拓展：Markdown 格式渲染、转换为HTML、生成...
...木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 ...
Can you pass parameters to an AngularJS controller on creation?
...nswered Feb 13 '14 at 10:23
François RomainFrançois Romain
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