大约有 9,700 项符合查询结果(耗时:0.0199秒) [XML]

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【解决】java.lang.ArrayIndexOutOfBoundsException: length=1; index=-1 a...

...nce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:8060) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571) at com.android.internal.os.ZygoteInit.ma...
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搜索不到ble设备 - App应用开发 - 清泛IT社区,为创新赋能!

使用AI伴侣能搜索到ble设备,但是安装apk后搜索不到,这是怎么回事呢大概率是权限问题,在手机设置将 app 相关权限都打开试试,尤其是发现设备等权限。
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...

...一个元素的索引)可以使用Base属性设置。可能的值为1(App Inventor中常用)或0(Java或C中常用)。组件以空数组开始,这意味着它不包含任何元素。可以使用以下方法添加元素:AddByte(无符号8位数字[0..255])AddWord(无符号16位数...
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MIT于2026元旦已发布v2.77版本:更新非常有限,lamda 表达式(匿名函数)缺...

...用于在您自己的设备上进行临时安装,也可用于提交到 Apple App Store。 注意:您需要一个 Apple 开发者帐户。 来源:https://appinventor.mit.edu/ai2/ReleaseNotes.html
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关于阿里云传输数据问题 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...地址 本帖最后由 anticipation 于 2026-01-04 22:12 编辑 引用: App Inventor 2  发表于 2026-01-04 18:58 阿里云这个接口相关的文档地址可以提供一下吗?规定数据格式相关的文档的地址 ... 接口文档: https://help.aliyun.com/zh/iot/d ... _6_1.3...
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- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

手动同步用 信息分享器 组件。 自动实时同步只能走云端,上报到你自己的服务器或者微数据库等,另一个 app 定时拉取。 还可以用云数据库接 redis,数据变动有实时通知,不用定时拉取。
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Error handling principles for Node.js + Express.js applications?

... like error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows? ...
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getExtractedText on inactive InputConnection warning on android

... I ran into a similar issue. My logcat: W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection W/IInputConnectionWrapper(21214): getSelectedText on inactive InputConnection W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection W/I...
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Allow CORS REST request to a Express/Node.js application on Heroku

...d URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS). 5 Answers ...
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?

... Let's go in reverse order: Log.e: This is for when bad stuff happens. Use this tag in places like inside a catch statement. You know that an error has occurred and therefore you're logging an error. Log.w: Use this when you suspect something shady is going on. You may not be completely ...