大约有 1,400 项符合查询结果(耗时:0.0120秒) [XML]

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AppInventor2 二进制文件的读写 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术

...蓝牙客户端或 ble 都可以接收二进制数组,返回的数据是列表:如果想要保存二进制到文件,可以考虑换成 ascii 或 base64 化,然后通过文件管理器保存为文件,具体请帮助,...蓝牙客户端或 ble 都可以接收二进制数组,返回的...
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图片轮播拓展 - ColinTreeSlideShow - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...随改变大小)如图(背景颜色可以先设置好): 在添加列表项之前先初始化一下,调用传入一个参数:调用ColinTreeSlideShow1 ▾.RegisterScrollViewhorizontalScrollArrangement给轮播添加图片:调用ColinTreeSlideShow1 ▾.AddPhotopath 事件自动轮播...
https://bbs.tsingfun.com/thread-1864-1-1.html 

AI伴侣的权限问题 - App应用开发 - 清泛IT社区,为创新赋能!

...的一些软件,如下图,它的所有权限是有个读取设备应用列表,不知道这个是不是与附近的蓝牙设备的总开关有什么影响不 接着再去查看单个权限管理,找到设备用用列表选项,在搜索软件里没有搜索到AI伴侣;去到附近...
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MIT已升级2.74版本,中文网已完成升级 - App Inventor 2 中文网 - 清泛IT社...

...被拖近并且没有空闲插槽时,文本等块会自动合并并展开列表 将块拖到边缘时工作区会自动滚动 新的渲染引擎 错误修复: 修复 Android 应用编译中的回归问题 修复垃圾桶中的项目可以在启动时加载的问题 修复标题栏不会...
https://bbs.tsingfun.com/thread-2230-1-1.html 

解决 Error 503: The specified address is not a valid Bluetooth MAC add...

...not a valid Bluetooth MAC address. 原因是地址格式不对,蓝牙列表可能显示不对。大概率是经典蓝牙和 ble 低功耗蓝牙的设备列表处理的方式不对。 本例中就是经典蓝牙,但是用的 ble 的方式显示导致的问题。
https://www.fun123.cn/reference/iot/spp.html 

App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网

...而非BLE拓展,必须在手机设置中配对成功才能出现在蓝牙列表中。 注意: 它的波特率是:38400,而非默认的9600。 上电之前按下硬件上的按钮,则进入AT模式,红灯慢闪;不按则默认进入透传模式,红灯快闪,等...
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LINQPad [extension] methods [closed]

...er than Environment.UserDomainName+@"\"+Environment.UserName. Util.WriteCsv (new: available since LinqPad version v4.45.05 (beta)) Util.WriteCsv (Customers, @"c:\temp\customers.csv"); This will write the content of the table Customers to the CSV file c:\temp\customers.csv. You can also find a...
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How to create streams from string in Node.Js?

I am using a library, ya-csv , that expects either a file or a stream as input, but I have a string. 11 Answers ...
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How to allow download of .json file with ASP.NET

... I added two staticContent mimeMap's, one for JSON (necessary) and one for CSV (redundant, I assumed it was necessary, but the IISExpress applicationConfig already had CSV). Therefore I got this error anytime I tried to access any staticfile: Cannot add duplicate collection entry of type 'mimeMap' w...
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How does one reorder columns in a data frame?

...e above question do df2[,c(1,3,2,4)] If you want to output this file as a csv, do write.csv(df2, file="somedf.csv") share | improve this answer | follow | ...