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HC-05/BLE 蓝牙通信数据乱码?接收到的中文乱码?乱码的原理及解决思路 · ...

... 教育 入门必读 中文教程 IoT专题 AI2拓展 Aia Store 开通VIP 搜索 HC-05/BLE 蓝牙通信数据乱码?接收到的中文乱码...
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APP inventer 2 出现Runtime Error:No virtual method isDeniedPermission...

...报错,AI伴侣大概率也会。建议使用中文网(https://www.fun123.cn)平台,和MIT同步更新的。 参考:https://community.appinventor.mi ... permission/106211/9
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1、如果自定义错误提示?2、网络接口连接错误导致程序经常有卡死的现象如何...

郡主,您好。请问,如何让这种错误提示从对话框中输出?我想自定义提示内容。另外,网络连接不上时,程序会经常有卡死的现象,请问如何解决?第一个问题请参考:https://bbs.tsingfun.com/thread-1730-1-1.html 第二个问题请参考:h...
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AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...

...,而原生并没有这个数据结构,使用拓展可以实现:UrsAI2ByteArray 字节数组扩展:读写二进制数据 - App Inventor 2 拓展 2、字符串模式下,使用Ascii拓展将二进制列表转换成字符串再发送,当二进制为0~127时,能够正常转换发送并...
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app inventor 2 有HexToString组件吗? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

同这篇帖子《什么是 Hex 编码方式?》:https://bbs.tsingfun.com/thread-2700-1-1.html 使用 ByteArray 拓展 的 ToHex 方法可以实现将无符号数字转换为其十六进制表示。
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Passing an array to a function with variable number of args in Swift

... | edited Dec 26 '17 at 14:27 Hasaan Ali 7951010 silver badges1818 bronze badges answered Ju...
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?

...meSpan? span = null) { if (span == null) { span = TimeSpan.FromSeconds(2); } ... } I should elaborate - the reason those expressions in your example are not compile-time constants is because at compile time, the compiler can't simply execute TimeSpan.FromSeconds(2.0) and stick the bytes o...
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Check if two linked lists merge. If so, where?

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In Python, what is the difference between “.append()” and “+= []”?

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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?

... capture those variables from your local scope instead. int parameter1 = 12; float parameter2 = 144.1; // Delay execution of my block for 10 seconds. dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{ NSLog(@"parameter1: %d parameter2: %f", parame...