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IRXmitter红外发射器扩展 · App Inventor 2 中文网

...用程序。 功能概述 IRXmitter扩展是一个Android类ConsumerIrManager的包装器,用于发送红外信号控制家电设备: 发送单个红外信号包 支持自动重复发送 支持交替模式发送(适用于开关功能) 可配置载波频率...
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JS: iterating over result of getElementsByClassName using Array.forEach

...ted (Babel), this is NOT compatible in IE < Edge, Opera, Safari < 9, Android browser, Chrome for Android, ...etc) Source: mozilla dev docs – Sean Sep 5 '16 at 5:53 ...
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SensorUtil 传感器工具扩展:在后台和屏幕关闭时保持传感器工作 · App Inv...

... 工作原理 前台服务 Android 限制后台应用的活动以节省电池。要在后台持续运行,应用必须启动前台服务。前台服务会在状态栏显示通知,告知用户应用正在后台运行。 传感器生命...
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What does LINQ return when the results are empty

...t actually be wrong. If using linq to entities, the db might shortcut this and no data at all is being sent to the client except a true or false – Mafii Aug 15 '16 at 13:28 ad...
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How to use Jackson to deserialise an array of objects

...esponse to my own comment above, first parse the json string to a jsonNode and then access the property of the array like this: JsonNode jsonNode = MAPPER.readTree(json); String arrayString = jsonNode.get("data").toString(); Then follow @Programmer Bruce's instructions above. List<Source> sour...
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Convert a Python list with strings all to lowercase or uppercase

... python function that can convert all the strings in one pass to lowercase and vice versa, uppercase? 13 Answers ...
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Numpy argsort - what is it doing?

... 2, 0, 1]) This checks that they all produce the same result: x = np.random.random(10**5) expected = using_indexed_assignment(x) for func in (using_argsort_twice, using_digitize, using_rankdata): assert np.allclose(expected, func(x)) These IPython %timeit benchmarks suggests for large arr...
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Teachable Machine 图像分类扩展 · App Inventor 2 中文网

...:2.0(2022年8月30日发布) 许可证:BSD 3 已测试平台:Android 9、12、13(Companion 和编译版本均已测试) 代码块预览: 下载: br.ufsc.gqs.teachablemachineimageclassifier.aix TeachableMachine_demo.aia 属性 ...
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WheelView 拓展:滚轮选择框扩展,滚轮日历选择框和旋转日历扩展 · App In...

...picker, but can be any strings. original code from WheelView: 效果类似android4.0以上原生的DatePicker 18 Thanks @wildcontrol to sponsor this extension Demo picture: this demo used 3 extensions Download link here; aix拓展 cn.kevinkun.WheelView.aix demo WheelView.aia Whee...
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Popup弹出菜单扩展 · App Inventor 2 中文网

...整个屏幕,而且配置视图的选项很少。这里介绍的扩展是Android弹出菜单的包装器。几乎所有属性都是可调的。 默认主题 黑色主题 功能概述 Popup弹出菜单扩展是一...