大约有 700 项符合查询结果(耗时:0.0063秒) [XML]

https://bbs.tsingfun.com/thread-1625-1-1.html 

阿里云物联网平台开通及基础用法 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...添加产品和创建设备完成后,可以在设备的详情页中获得MQTT协议所需的三元组,点击MQTT连接参数后的查看即可获得。 部分截图来自:https://blog.csdn.net/HDUGEEK/article/details/129673434
https://bbs.tsingfun.com/thread-2349-1-1.html 

拍照时报错求助! - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...是初始化中某个代码块导致的报错问题了 找到问题了,MQTT模块遇到报错时的程序里有个死循环,不过我好奇长时间拍照为什么会触发MQTT报错{:8_393:}
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...

...件或从文件读取。例如,如果通过UDP(URS AI2 UDP扩展)或MQTT(URS AI2 MQTT扩展)传输图像,它们不能直接插入到图像组件中。这里有助于将数据存储在临时中间文件中,并从那里加载到图像块中。注意:两个函数都异步执行!文件...
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How to recursively download a folder via FTP on Linux [closed]

... Sep 22 '08 at 9:01 Thibaut BarrèreThibaut Barrère 8,38322 gold badges1919 silver badges2727 bronze badges ...
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What does character set and collation mean exactly?

...llation is how to compare characters, in latin9, there are letters as e é è ê f, if sorted by their binary representation, it will go e f é ê è but if the collation is set to, for example, French, you'll have them in the order you thought they would be, which is all of e é è ê are equal, an...
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Remove all special characters with RegExp

...letters. Do not use [^\w\s], this will remove letters with accents (like àèéìòù), not to mention to Cyrillic or Chinese, letters coming from such languages will be completed removed. You really don't want remove these letters together with all the special characters. You have two chances: Add...
https://www.tsingfun.com/it/te... 

【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...und-color: red; } 以上单位的转换,我们可以利用 vscode 的插件 px to rem 来自动实现。 把所有代码全部写完,然后一次性用 px to rem 插件转换成 rem 单位 3、接下来如何适配不同的浏览器,实现等比例的缩放呢 ? 比如现在有 5 ...
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Difference between InvariantCulture and Ordinal string comparison

...iosyncrasies out there. Ordinal 0 9 A Ab a aB aa ab ss Ä Äb ß ä äb ぁ あ ァ ア 亜 A IgnoreCase 0 9 a A aa ab Ab aB ss ä Ä äb Äb ß ぁ あ ァ ア 亜 A -------------------------------------------------------------------- InvariantCulture 0 9 a A A ä Ä aa ab aB ...
https://www.tsingfun.com/it/tech/2135.html 

[科普] __MACOSX是什么文件夹? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...组织的核心人物选择Mac作为开发平台,也有许多Wordpress的插件、模板作者在Mac上开发作品。 在Mac里面压缩目录是一件十分轻松的事,你只需要在目录上点击右键选择“压缩为…”即可,开发者就可以把这个压缩包上传到网...
https://www.tsingfun.com/it/ai2/ai2_printer.html 

App Inventor 2 连接打印机(Printer),自定义打印的实现 - App Inventor ...

...择图片界面如下: 选择图片测试文件 选择打印机插件 “信息分享器”分享文件: 选择打印机App 选择打印机: 只能通过分享文件到打印机App 打印预览,点打印即可完成打印任务。 ...