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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]
...
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...
如何实现设置用户头像功能呢？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...面的组件可以实现，具体用法参考中文文档：https://www.fun123.cn/reference/components/media.html
App Inventor 2 发表于 2024-11-17 18:58
多媒体下面的组件可以实现，具体用法参考中文文档：https://www.fun123.cn/reference/components/media.h ...
这...
Why is isNaN(null) == false in JS?
...
Won't work if myInt="123d". parseInt converts "123d" to 123, which then fails the isNaN test.
– divesh premdeep
Feb 18 '15 at 13:34
...
Format a number as 2.5K if a thousand or more, otherwise 900
...rx, "$1") + si[i].symbol;
}
/*
* Tests
*/
var tests = [
{ num: 1234, digits: 1 },
{ num: 100000000, digits: 1 },
{ num: 299792458, digits: 1 },
{ num: 759878, digits: 1 },
{ num: 759878, digits: 0 },
{ num: 123, digits: 1 },
{ num: 123.456, digits: 1 },
{ num: 123.45...
C# using streams
...sfer the strings to and from the stream as bytes. So
myStreamWriter.Write(123);
will write "123" (three characters '1', '2' then '3') to the stream. If you're dealing with text files (e.g. html), StreamReader and StreamWriter are the classes you would use.
Whereas
myBinaryWriter.Write(123);
w...
Validate that a string is a positive integer
...ue);
},
false
);
test("1", true);
test("1.23", false);
test("1234567890123", true);
test("1234567890123.1", false);
test("0123", false); // false because we don't handle leading 0s
test(" 123 ", false); // false because we don't handle whitespace
<label>
String:
<inp...
What is a 'semantic predicate' in ANTLR?
...) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("123, 456, 7 , 89");
NumbersLexer lexer = new NumbersLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
NumbersParser parser = new NumbersParser(tokens);
parser.parse();
}...
Items in JSON object are out of order using “json.dumps”?
...this we get:
>>> import OrderedDict
>>> unordered={"id":123,"name":"a_name","timezone":"tz"}
>>> ordered = OrderedDict.OrderedDict( [("id",123), ("name","a_name"), ("timezone","tz")] )
>>> e = OrderedJsonEncoder()
>>> print e.encode( unordered )
{"timezo...
How can I call controller/view helper methods from the console in Ruby on Rails?
...the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper...