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【客户反馈】增加直接改项目名称的功能 - 用户反馈 - 清泛IT社区，为创新赋能！
...了，编译通过。 rename后再另存，就不行。
修复中。。。App Inventor 2 发表于 2024-08-30 09:29
rename 没有真正改名，编译仍然失败
另存为 是彻底改了，编译通过。 rename后再另存，就不行。
修复中。。 ...
改名功能...
MQTT支持获取设备端的在线状态吗？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
mqtt拓展支持获取设备端的在线状态吗？这里仅仅提供一个思路：
设备状态是设备的一项数据，这个也需要设备上报其状态数据给app端，类似网络的心跳包，定时上报状态数据，一定时间没取到数据就认为设备离线。
micro:bit 连接报错 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...错了。
运行故障
java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribeBluetoothLEint.java:357) at
edu.mit.appinventor.ble.BluetoothLEintSBLEReadOperation.run(BluetoothLEint.java:325) at android.os.Handler.handleCallback(Handler.java:1013) ...
AI伴侣初版，测试验证中 - HarmonyOS NEXT - 清泛IT社区，为创新赋能！
...───────────
模块: aiplayapp-oh
语言: ArkTS
行数: 2,361
说明: 伴侣 App 页面 + 运行时
───...
鸿蒙的证书适用范围 - HarmonyOS NEXT - 清泛IT社区，为创新赋能！
...的影响
对于 App Inventor 用户来说，最实用的方案是：
1. 开发测试阶段 → 用 debug 签名就够了（SDK自带，无需用户操作）
2. 要上架/分发给他人 → 需要 release 签名...
How To Get IPython Notebook To Run Python 3?
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In Anaconda "launcher.app" there is “Environment:” pull down menu.
The default environment is called "root". In order to launch application using another environment, just select the desired environment from the list, to make it active.
...
How do I get Windows to go as fast as Linux for compiling C++?
...le-file lookup times, with a btree structure. In Linux (last I looked), an app can read an entire folder with a single system call, and iterate through the resulting structure entirely in user code; Windows requires a separate sys call for each file. Either way, compilers shouldn't need to read the ...
Return HTTP status code 201 in flask
...sk import Response
> return Response("{'a':'b'}", status=201, mimetype='application/json')
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Creating a singleton in Python
...), {})): pass
class Logger(Singleton):
pass
An ironic aspect of this approach is that it's using subclassing to implement a metaclass. One possible advantage is that, unlike with a pure metaclass, isinstance(inst, Singleton) will return True.
Corrections
On another topic, you've probably alrea...
PCH File in Xcode 6
... buttons)
Project > Build Settings > Search: "Prefix Header".
Under "Apple LLVM 7.0" you will get the Prefix Header key.
Type file directory. e.g: "$(SRCROOT)/$(PROJECT_NAME)/ProjectName-Prefix.pch".
Clean project: ⌘cmd+⇧shift+K
Build project: ⌘cmd+B
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