大约有 43,000 项符合查询结果(耗时:0.0208秒) [XML]

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TaifunFlashlight 手电筒/闪光灯拓展 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

一个用于打开/关闭手电筒的扩展插件,所需要的权限: android.permission.CAMERA(注:拍摄照片和视频) android.permission.FLASHLIGHT(注:控制手电筒) 要至少11级的API(即Android 3.0.0以上) 属性 返回设备是否有闪光灯 过程 ...
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AppInventor2拍照的照片Base64编码报错,选择的图片没有问题 - App应用开发...

... fis为空 然后后用用null.compress 报错了 我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。 具体实现步骤是什么那个文件工具peien 发表于 2024-09-18 02:28 具体实现步骤是什么那个文件工具 FileTools 拓展:https://www...
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BLE数据收发 20个字节的限制问题 - 创客硬件开发 - 清泛IT社区,为创新赋能!

请问BLE插件只支持20个字节的数据接收与发送吗,我尝试超过20个字节就会自动忽略掉后面的字节
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【待研究】web客户端组件能不能获取post服务器返回的响应头数据? - App应...

...类型和响应内容选项。 如果不能,有可以获取响应头的插件推荐没? 感谢。 问题来源:QQ群。原生组件上面的方法肯定是没办法获取响应头数据了,有没有拓展待研究。经验证,保存响应到文件,也不包含响应头信息(只...
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MakeViewUp 扩展:美化和自定义 Android 视图,可实现组件任意角度旋转 - A...

...de]来源:https://community.appinventor.mi ... droid-views/27185/1[/hide]插件不错谢谢分享铣削
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How do I specify a pointer to an overloaded function?

...putIterator, InputIterator, UnaryFunction ); Template deduction needs to select a type for UnaryFunction at the point of the call. But f doesn't have a specific type - it's an overloaded function, there are many fs each with different types. There is no current way for for_each to aid the template...
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How to use GROUP BY to concatenate strings in SQL Server?

...S (1,'B',8) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9) SELECT [ID], STUFF(( SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)') ,1,2,'') AS NameVa...
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Remove characters from C# string

... where char.IsWhiteSpace(c) || char.IsLetterOrDigit(c) select c ).ToArray()); share | improve this answer | follow | ...
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How can I reliably determine the type of a variable that is declared using var at design time?

...o resolve the type. For instance: var items = myList.OfType<Foo>().Select(foo => foo.Bar); The return type is IEnumerable<Bar>, but resolving this required knowing: myList is of type that implements IEnumerable. There is an extension method OfType<T> that applies to IEnume...
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LINQ: “contains” and a Lambda query

...Here is how you can use Contains to achieve what you want: buildingStatus.Select(item => item.GetCharValue()).Contains(v.Status) this will return a Boolean value. share | improve this answer ...