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App Inventor 2 Personal Image Classifier (PIC) 拓展:自行训练AI图像识...

...lassifier.aix demo程序下载: Image_Classification_v2.aia 拓展事件、方法、属性如下: 图像分类App原理介绍 这里仅仅介绍一下AI图像分类App实现原理,AI基础技术细节不在本文讨论范围。 我们都知道,人工智能AI基本...
https://bbs.tsingfun.com/thread-1477-1-1.html 

Personal Image Classifier (PIC) 拓展:自行训练AI图像识别模型,开发图像...

PersonalImageClassifier (PIC) 拓展拓展事件、方法、属性如下:图像分类App原理介绍这里仅仅介绍一下AI图像分类App实现原理,AI基础技术细节不在本文讨论范围。我们都知道,人工智能AI基本原理是事先准备好样本数据(这里...
https://bbs.tsingfun.com/thread-1621-1-1.html 

Arduino控制RGB三色LED灯实验、程序代码、连线图、仿真 - 创客硬件开发 - ...

...含红绿蓝三种,通过控制红(R)、绿(B)、蓝(G)三种颜色变化使其相互叠加产生花式颜色。而其颜色值输出是通过PWM来控制。RGB三基色按照不同比例相加合成混色称为相加混色,除相加混色法之外还有相减混色法。 PWM控...
https://bbs.tsingfun.com/thread-1763-1-1.html 

AppInventor2添加超过10个屏幕会怎样? - App Inventor 2 中文网 - 清泛IT...

...加更多屏幕,但最好也不要添加太多屏幕,因为多个屏幕应用程序将非常消耗计算资源,并且很容易超出 App Inventor 限制。根据经验,任何单个应用程序中屏幕不应超过 10 个,当你尝试超过此限制时,App Inventor 会警告你...
https://www.fun123.cn/reference/iot/MQTT.html 

App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网

...消息队列遥测传输) MQTT 发明于 1999 年,为物联网设计轻量级协议,基于TCP协议实现。 MQTT协议文档:https://mqtt.org/ MQTT服务质量(QoS):3个等级 QoS0:最低质量等级,最多发送一次消息,在消息发出后,接收者不会发...
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How do I parse a string with a decimal point to a double?

... did not work for me: skips comma and returns and int as double – fnc12 Jul 8 '15 at 15:44  |  ...
https://www.fun123.cn/reference/iot/spp.html 

App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网

... HC05 简单介绍 它有六个引脚,引脚作用如下: 通过厂商App连接串口测试,发现HC-05模块是经典蓝牙2.0,并不支持蓝牙5.0(低功耗BLE),它需要配对码进行配对,App Inventor 2 中使用“蓝牙客户端”组件,...
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Mockito: Trying to spy on method is calling the original method

...the test and package-private method were in the same package. I think perhaps Mockito has issues with package-private methods in general. – Dave May 11 '17 at 2:19 add a comme...
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How do you get a timestamp in JavaScript?

...riptions in this answer. Feel free to ask questions if anything is unclear PS: sadly someone merged this to the top answer without giving credit. Quick and dirty solution: Date.now() /1000 |0 Warning: it might break in 2038 and return negative numbers if you do the |0 magic. Use Math.floor(...
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pandas: multiple conditions while indexing data frame - unexpected behavior

... As you can see, the AND operator drops every row in which at least one value equals -1. On the other hand, the OR operator requires both values to be equal to -1 to drop them. That's right. Remember that you're writing the condition in terms of what you ...