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MAC地址可以连上,硬件通信时提示无效的UUID? - 创客硬件开发 - 清泛IT社...

...E2:E0:5A:46:86:2F 使用MAC地址连接,一切功能正常。 这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么?这个 APP程序 使用透传UUID 还可以控制蓝牙模块的IO 口么?透传uuid和io控制的uuid是不一样的,具体清参考:https://bb...
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BLE通信数据不能超过20字节? - 创客硬件开发 - 清泛IT社区,为创新赋能!

...使用调用.WriteBytes After a lot of hours I found the problem in my app. How I proceeded: 1- At ESP32 code I put this line: BLEDevice::setMTU(192); 2- At app I put the call Request MTU on the .Connected block asking for the same 192 bytes; In my case, when I have to send a payload < 23...
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- AI 助手 - 清泛IT社区,为创新赋能!

...了 set TextBox.Text to (someNumber + something) 等操作。 路径B:App中用了 if not (is text empty? TextBox1.Text) 然后直接拿 TextBox1.Text 去设置其他组件的属性(比如传入数字函数或设置到数值相关的属性)。此时 Kawa 内部把 text 值先隐式转成 nu...
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鸿蒙版AI伴侣已上架华为应用市场 - HarmonyOS NEXT - 清泛IT社区,为创新赋能!

打开华为应用市场,搜索“appinventor” App下载链接: https://www.fun123.cn/reference/info/app.html
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Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt

...okenValidationHandler class) in the developer sample called "ADAL - Native App to REST service - Authentication with ACS via Browser Dialog", located at http://code.msdn.microsoft.com/AAL-Native-App-to-REST-de57f2cc Alternatively, the JwtSecurityToken class has additional methods that are not on t...
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)

...: final Cursor apnCursor = this.context.getContentResolver().query(Uri.withAppendedPath(Carriers.CONTENT_URI, "current"), null, null, null, null); Im testing on a Nexus 4. – toobsco42 Feb 24 '13 at 21:40 ...
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Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t

...o mvc5. I made sure my references were in sync (with a newly created mvc5 app), updated the web.config file accordingly and it still didn't work. It finally worked when i changed my web.config file (INSIDE THE VIEWS directory) from: <sectionGroup name="system.web.webPages.razor" type="System.We...
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Is it possible to set code behind a resource dictionary in WPF for event handling?

... behind: methods, properties and event handlers. == Update for Windows 10 apps == And just in case you are playing with UWP there is one more thing to be aware of: <Application x:Class="SampleProject.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" ...
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Why is it not possible to extend annotations in Java?

...m. And this would be a fairly unique type system, so you could not simply apply an OO type paradigm. Think through all the issues when you introduce polymorphism and inheritance to an annotation (e.g. what happens when sub-annotation changes meta-annotation specs such as retention?) And all thi...
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Is it valid to replace http:// with // in a ?

... "the spec" is hardly a good standard for whether it's wise to do in a web app. – Matt Howell Feb 15 '09 at 1:25 6 ...