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https://bbs.tsingfun.com/thread-1183-1-1.html 

分享几个App Inventor 2“隐藏”非常实用小技巧 - App Inventor 2 中...

... 6、过程参数,鼠标悬停时,可直接拖动获取和设置代码块;参数可变:https://www.fun123.cn/reference/concepts/mutators.html 7、拷贝及分享功能:https://www.fun123.cn/reference/other/editing-functions.html
https://www.fun123.cn/reference/blocks/logic.html 

App Inventor 2 逻辑代码块 · App Inventor 2 中文网

... ≠ 与 或 真 表示常量值 true,使用它来设置组件布尔属性值,或作为表示条件变量值。 假 表示常量值 false,使用它来设置组件布尔属性值,或作为表示条件变量值。 非 执行逻辑非,如果输入为真则返...
https://bbs.tsingfun.com/thread-1472-1-1.html 

App Inventor 2 如何实现网络版注册登陆功能? - App Inventor 2 中文网 - ...

...册登陆功能? 本文仅对这个问题进行分析,给出基本思想思路,具体实现方法后续会有详细教程推出。 1、首先,注册登陆涉及到网络存储,也就是将注册信息保存到云端,登陆时云端验证。(本地版注册登陆不在讨论...
https://bbs.tsingfun.com/thread-1482-1-1.html 

App Inventor 2生成APP现在鸿蒙能用吗? - App Inventor 2 中文网 - 清...

转用户提问:你好,这个AI生成APP现在鸿蒙能用吗? 目前是可以,鸿蒙兼容安卓,有部分客户是使用鸿蒙手机。 等相对久远将来,鸿蒙可能独立,我们也会进行鸿蒙适配支持
https://bbs.tsingfun.com/thread-1510-1-1.html 

MAC地址可以连上,硬件通信时提示无效UUID? - 创客硬件开发 - 清泛IT社...

[hide]应该是硬件MAC地址填错了导致,填了一个其他非预期地址,而通信时用目标硬件uuid,匹配失败导致。 [/hide] 经测试,我们硬件mac地址是: E2:E0:5A:46:86:2F 使用MAC地址连接,一切功能正常。 这个 APP程...
https://bbs.tsingfun.com/thread-1635-1-1.html 

app inventor拍照照片如何保存到手机相册? - App Inventor 2 中文网 - ...

问:你好!小朋友在做APP时,调用照相机模块拍照片要存到相册里,指定了图像位址,但还是实现不了,是什么原因呀? 首先,这个照相机拍照完成事件中这个参数是图片路径,是只读,更改它没有用,只能考虑将这...
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How to install therubyracer gem on 10.10 Yosemite?

...erubyracer $ gem uninstall libv8 $ gem install therubyracer -v '0.12.0' Fetching: libv8-3.16.14.7-x86_64-darwin-14.gem ( 57%) Fetching: libv8-3.16.14.7-x86_64-darwin-14.gem (100%) Successfully installed libv8-3.16.14.7-x86_64-darwin-14 Building native extensions. This could take a while... Succes...
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How do I check if a string contains a specific word?

... === is best option (in my opinion) all aspect considered (speed, accuracy etc). – Melsi Dec 15 '12 at 12:28 10 ...
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How to change a module variable from another module?

... (read: the reference which was imported) in Python. But does so in Java, etc. In Python you only need to understand what is imported, while in Java, you also must understand the other module in case, it alters this imported value later on. – Tino Nov 12 '17 ...
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Unicode characters in URLs

...main Name, all of the browser-making companies (Microsoft, Mozilla, Apple, etc.) have to support Unicode in URLs without any encoding, and those should be searchable by Google, etc. So this issue will resolve ASAP. share ...