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2024 全“心”出发 -- 全新App Inventor 2 移动社区开启新征程 - App Inven...
...努力！
为什么使用两个独立的域名：bbs.tsingfun.com 和 fun123.cn？
fun123.cn 作为纯粹的App Inventor 2 中文编程平台，及中文文档教程平台；bbs.tsingfun.com作为社区及App Inventor 2之外技术的讨论，看起来独立，实际则是可以融为一体的。...
Appinventor的人工智能组件在哪里？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...个是AI绘图。
更多指导，请查看中文文档：https://www.fun123.cn/reference/ ... mental.html#ChatBot
另外，除了调用ChatGPT外，还有很多拓展可以自行训练AI数据集，自行实现AI功能，
详见：[hide]https://www.fun123.cn/reference/extensions/[/hide]
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BLE 接收BLE模块发来的信息 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...-1.html
读取ble数据并显示在App上请参考文档：https://www.fun123.cn/reference/ ... ml#RegisterForBytes
请先自行研究一下，如果遇到具体的问题，请再继续跟帖提问，谢谢。App Inventor 2 发表于 2024-09-24 16:15
ble 设备连接，发送数据...
AngularJS sorting by property
...containing an integer), just by definition in view.
Example JSON:
{
"123": {"name": "Test B", "position": "2"},
"456": {"name": "Test A", "position": "1"}
}
Here is a fiddle which shows you the usage:
http://jsfiddle.net/4tkj8/1/
...
What's an elegant way to conditionally add a class to an HTML element in a view?
...ass_names({ foo: true, bar: false })
# => "foo"
class_names(nil, false, 123, "", "foo", { bar: true })
# => "123 foo bar"
Sources:
Link to the corresponding PR.
Link to the class_names docs.
share
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In MySQL, how to copy the content of one table to another table within the same database?
...edited Feb 20 '15 at 7:23
Rizier123
55k1616 gold badges7777 silver badges
Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
...
123
If you press CTRL + I it will just format tabs/whitespaces in code and pressing CTRL + SHIFT +...
ADB Shell Input Events
...DOWN"
94 --> "KEYCODE_PICTSYMBOLS"
...
122 --> "KEYCODE_MOVE_HOME"
123 --> "KEYCODE_MOVE_END"
The complete list of commands can be found on:
http://developer.android.com/reference/android/view/KeyEvent.html
...
Printf width specifier to maintain precision of floating-point value
...sense, but simply to define the number of digits after the decimal point. 1234567890.123, mathematically has 13 digits of precision or significant digits. 0.000000000123 has 3 digits of mathematical precision, not 13. Floating point numbers are logarithmically distributed.This answer uses signific...
Getting distance between two points based on latitude/longitude
...to the wise, this formula requires all degrees be positive. radians(abs(52.123)) should do the trick...
– Richard Dunn
Jul 4 '17 at 11:41
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