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列表显示框.获取主文本 方法参数怎么拼接？怎么使用？ - App Inventor 2 中...
会员提问：请问下，这个紫色的块到底要怎么接，后面“列表元素”接什么数据？
A：按照文档，是接一个字典的。存在的意义及具体用法需要研究。
App Inventor 2 图片缩放并返回Base64文本 - App应用开发 - 清泛IT社区，为创新赋能！
图片缩放并Base64化 参考代码如下：（注：图片可拖动至编程区，自动还原代码块）
参考用法如下：
其中，用到的SimpleBase64拓展，点此查看。其中，用到的TaifunImage拓展，点此查看。
来源中文文档：https://www.fun123.cn/reference/ ......
解决：文本输入框在键盘弹起输入框看不见时，键盘退格键删除不了内容？ - A...
是因为区域隐藏了导致的。
screen1 的属性 “允许滚动” 勾选上，完美解决：
允许滚动后，区域就是自动的，输入框永远在视线内，键盘响应全部正常。
用户反馈文本输入框光标问题 - 用户反馈 - 清泛IT社区，为创新赋能！
还有一个问题，我用老巫婆那个网站 和现在的同样工程对比如下 ： 1、老巫婆光标会自动退出 2、老巫婆串口通信350MS一次 不会死机 现在的1000MS 才不会死机.
感觉使用起来， 没有他那个网站好...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
About[size=15.008px]Introducing TextEnhancer, the ultimate extension for enhancing text formatting in your App Inventor projects! With TextEnhancer, you can effortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustificati...
Is there any JSON Web Token (JWT) example in C#?
... JwtHashAlgorithm algorithm)
{
return Encode(payload, Encoding.UTF8.GetBytes(key), algorithm);
}
public static string Encode(object payload, byte[] keyBytes, JwtHashAlgorithm algorithm)
{
var segments = new List<string>();
var header = new { alg = algor...
Detect encoding and make everything UTF-8
...
If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. ...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...ee this SO post).
In case anybody is having the same issues I was, .NET's UTF8 encoding class does not output a byte-order marker in a GetBytes() call. You need to use streams (or use a workaround) to get the BOM to output.
...
UnicodeEncodeError: 'latin-1' codec can't encode character
...a text field regardless of character set, I found my solution here:
Using UTF8 with Python MySQLdb
Edit: Quote from the above URL to satisfy the request in the first comment...
"UnicodeEncodeError:'latin-1' codec can't encode character ..."
This is because MySQLdb normally tries to encode...
Encrypt and decrypt a string in C#?
...mmary>
/// Simple Encryption (AES) then Authentication (HMAC) for a UTF8 Message.
/// </summary>
/// <param name="secretMessage">The secret message.</param>
/// <param name="cryptKey">The crypt key.</param>
/// <param name="authKey">The auth...