大约有 40,000 项符合查询结果(耗时:0.0295秒) [XML]

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使用照相机时老是弹出 error 201 : the camera d id not return an image ...

...本过旧,不包含官方bug修复,请使用我们最新的平台 fun123.cn 试试。 引用: 参考资料: https://community.appinventor.mi ... android-8-0/6024/14 https://github.com/mit-cml/appinventor-sources/issues/2140
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AppInventor如何选相反数? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

问:AppInventor如何选相反数? 答:使用“数学”中的“相反数”积木: 返回给定数字的负数,若给定负数则返回正数。如:8 返回 -8,-0.7 返回 0.7,0 则仍然返回 0。 文档:https://www.fun123.cn/reference/blocks/math.html#neg
https://bbs.tsingfun.com/thread-2639-1-1.html 

【二进制】UrsAI2ByteArray 字节数组扩展:读写二进制数据,二进制文件读写...

来源:https://www.fun123.cn/reference/iot/bytearray.html 功能概述 字节数组扩展允许对存储的数据进行顺序和随机访问。随机访问的索引基址(第一个元素的索引)可以使用Base属性设置。可能的值为1(App Inventor中常用)或0(Java或C中常...
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ble蓝牙怎么接收中文 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...码,那肯定就是字符集编码问题了。 详见:https://www.fun123.cn/reference/iot/bluetooth_codec.html 保证单片机侧和App侧一致的中文编码方式即可。盲猜BLE中应该是UTF8编码,单片机GB2312编码。
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How to create a multi-tenant database with shared table structures?

... AdaTheDevAdaTheDev 123k2424 gold badges179179 silver badges181181 bronze badges ...
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How to generate gcc debug symbol outside the build target?

... Commit=190aa9cace3b12e2b58b692f068d4f5cf22b0145 VCS: BRANCH=refs/heads/PRJ123_feature_desc VCS: AUTHOR=Joe Developer joe.developer@somewhere.com VCS: COMMIT_DATE=2013-12-19 All that is left is to check-out the original code, re-compile without optimizations, and start debugging. ...
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...

...例代码,可以参考 App Inventor 2 中文网文档:https://www.fun123.cn/reference/blocks/math.html
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App Inventor 2 FTP 客户端拓展:FTP协议连接、上传、下载、创建、修改目录...

...NAL_STORAGE 和 WRITE_EXTERNAL_STORAGE。 .aix 拓展下载: cn.fun123.FTPClient.aix 属性 无 事件 Connected(result) 连接操作完成后触发此事件。 DownloadFileFinished(result) 下载文件操作完成后触发此事件...
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Why is the asterisk before the variable name, rather than after the type?

... 123 If you look at it another way, *myVariable is of type int, which makes some sense. ...
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Why are regular expressions so controversial? [closed]

... 123 Making Regexes Maintainable A major advance toward demystify the patterns previously referred...