大约有 800 项符合查询结果(耗时:0.0081秒) [XML]

https://bbs.tsingfun.com/thread-2625-1-1.html 

AppInventor写二进制文件 - App应用开发 - 清泛IT社区,为创新赋能!

...二进制文件:https://www.fun123.cn/reference/iot/bytearray.html 蓝牙等组件返回的字节列表(list),目前不能直接追加到拓展中,可以采用遍历字节列表,然后将字节逐一将追加到拓展中,最后调用拓展方法保存为二进制文件。
https://bbs.tsingfun.com/thread-2719-1-1.html 

2026 新年第一篇:即将全面支持苹果iOS App编译生成,纯血鸿蒙计划中,编译...

...身不可用,iOS 支持很多常用功能作为内置 Blocks/组件:蓝牙支持(Bluetooth)NFC(Near Field Communication)物联网扩展(例如 micro:bit)AI 扩展基础支持(如 PersonalImageClassifier 等) 这些是在 iOS 原生支持层面集成的,而非通过插件机...
https://bbs.tsingfun.com/thread-2890-1-1.html 

- App应用开发 - 清泛IT社区,为创新赋能!

...还是可以正常接收到数据的,而且这个错只是第一次链接蓝牙的时候,获取数据,会报这个错,后面就不会了。 A:也就是说 uuid 和特征 id 是有效的? 我找到原因了,之前用AI助手检查问题,他直接把我的程序改了,改回...
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What is a Java ClassLoader?

...rmpt>java -verbose:class HelloApp [Opened C:\Program Files\Java\jre1.5.0\lib\rt.jar] [Opened C:\Program Files\Java\jre1.5.0\lib\jsse.jar] [Opened C:\Program Files\Java\jre1.5.0\lib\jce.jar] [Opened C:\Program Files\Java\jre1.5.0\lib\charsets.jar] [Loaded java.lang.Object from shared objects fi...
https://bbs.tsingfun.com/thread-3102-1-1.html 

App Inventor 2 数学积木的9个隐藏用法:随机种子、位运算、取整陷阱,踩中...

...位改为 0:用原值和掩码取反后做按位与。 这套方法在蓝牙通信、IoT 硬件控制、串口协议解析中极为实用,代码比多分支 if 简洁一个量级。 技巧8:convert number 轻松搞定进制互转 需要把十进制转二进制展示?或者把用户...
https://bbs.tsingfun.com/thread-3042-1-1.html 

App Inventor 2 数学积木完全指南:从加减乘除到位运算,一篇搞定所有计算...

...还可以通过下拉菜单切换输入模式,这在处理硬件通信、蓝牙数据时非常好用。 四、取整与舍入:三种方式各有妙用 积木说明示例四舍五入(round)小数部分 <0.5 向下,>0.5 向上;正好 0.5 时向偶数取整round(2.5)=2, round(3.5)=4...
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UIlabel layer.cornerRadius not working in iOS 7.1

...oking at a UILabel with the property addMessageLabel.layer.cornerRadius = 5.0f; On a device with iOS 7.0 installed, it has rounded corners. On a device with iOS 7.1 installed, it does not have rounded corners. ...
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Adding a favicon to a static HTML page

... Yes Yes 4 No 4 No No Internet Explorer 5.0 11.0 11.0 No No No No Safari Yes 4 4 No 4 No No Opera 7.0 7.0 7.0 7.0 7.0 9.5 44.0 Browser Implementation The ta...
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How to pass command line argument to gnuplot?

... You can pass arguments to a gnuplot script since version 5.0, with the flag -c. These arguments are accessed through the variables ARG0 to ARG9, ARG0 being the script, and ARG1 to ARG9 string variables. The number of arguments is given by ARGC. For example, the following script (...
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Get table names using SELECT statement in MySQL

...ur_database_name'; For more details see: http://dev.mysql.com/doc/refman/5.0/en/information-schema.html share | improve this answer | follow | ...