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MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
... 介绍
此扩展是对 Android MediaMetadataRetriever 类的包装，能够从媒体文件中提取元数据，包括来自本地物理文件和流媒体文件（如 https://...mp3）。
主要功能
从本地和在线媒体文件提取元数据
处...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
...于在 App Inventor 中部署 Google Teachable Machine 图像分类模型的扩展，均可利用手机摄像头进行实时图像识别。
两款扩展对比分析
对比项
MIT TeachableMachine（推荐）
TMIC
作者
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C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式）Xml_SelectSingleNode_XpathXPath 是一门在 XML 文档中查找信息的语言，可用来在 XML 文档中对元素和属性进行遍历。因此使用xpath进行XML节点操作为我们省去了很多逻辑，代码...
Combining C++ and C - how does #ifdef __cplusplus work?
...e for many years for different compilers, such as GCC, Borland C\C++, MSVC etc.
While C++ becomes more and more popular, a lot things must be added into the new C++ domain (for example finally the Cfront was abandoned at AT&T because C could not cover all the features it needs). Such as templat...
VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
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VideoRecorder视频录制拓展
拓展开发起由：有用户询问 千问Max版 说我们有视频录制拓展，经过沟通当时我们的...
TypeError: 'module' object is not callable
... script1
mypackage/
bin/
script1.py
subpackage1/
subpackage_etc/
If this is not compliant with standard, please let me know.
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NUnit Test Run Order
...asily insert tests if necessary, so maybe 010_first_test, 020_second_test, etc.
– Les
Feb 16 '12 at 23:41
85
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Difference between . and : in Lua
...nly once. In this case, there's a clear difference between obj.method(obj, etc) and obj:method(etc).
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TypeError: module.__init__() takes at most 2 arguments (3 given)
...or
change your class definition to:
class Visitor(Object.ClassName):
etc
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An operation on a socket could not be performed because the system lac...
...缓冲区空间不足，或者因为队列已满，不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务端程序崩溃重启，查看日志报错：An operation on a socket could not be performed because the system ...