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求助!关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...

我使用的是demo程序进行测试,拓展程序链接: https://www.fun123.cn/reference/extensions/NotificationStyle.html 结果无论点什么按键都会报错: edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be...
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AppInventor如何扫二维码?扫码结果如何与Web进行交互? - App Inventor 2 ...

...扫二维码怎么实现? [hide]A:使用“条码扫描器”组件:https://www.fun123.cn/reference/ ... html#BarcodeScanner       属性“使用外部扫描”设置为假,其他没有啥要注意的。就调用一下扫描方法,就能使用摄像头扫二维码。...
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What is the difference between location list and quickfix list in vim

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术

...?ai2_connect有,但是不好用,不建议使用。参考中文文档:https://www.fun123.cn/reference/creative/connect.html各种连接方式的特点:连接方式测试介质特点AI伴侣Android手机特别适合小朋友...有,但是不好用,不建议使用。参考中文文档:http...
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...机制,通知相应topic的订阅者客户端已经离线了。7. 正如https之于http,mqtts支持TLS安全,保证数据传输过程的安全性。8. mqtt协议轻巧、简单,容易实现,mqtt客户端哪怕在单片机中也可以运行。这一点在物联网应用中挺重要的,因...
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https connection using CURL from command line

... while connecting to a server. Basically, I need to test connectivity over https from one machine to another machine. I have a URL to which I need to connect from Machine A (a linux machine) I tried this on command prompt ...
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How can I create a keystore?

...nother application. This is the way: echo y | keytool -genkeypair -dname "cn=Mark Jones, ou=JavaSoft, o=Sun, c=US" -alias business -keypass kpi135 -keystore /working/android.keystore -storepass ab987c -validity 20000 dname is a unique identifier for the application in the .keystore cn the full...
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What is the syntax for an inner join in LINQ to SQL?

... var results = from c in db.Companies join cn in db.Countries on c.CountryID equals cn.ID join ct in db.Cities on c.CityID equals ct.ID join sect in db.Sectors on c.SectorID equals sect.ID where (c.CountryID == cn.ID) &&am...
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C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区,为创新赋能!

...上出了问题。(全文完) 文章转自: 酷 壳 – CoolShell.cn
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蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店

...件的接入及IO控制功能,不提供技术支持。配套的文档:https://www.fun123.cn/reference/iot/ble.html  源码购买 ¥3.8   ...