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Arduino 101 实验00 - 环境搭建（烧一次固件，后面全部实验通用） · App I...
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前置
无，这是系列的第 0 篇
改编自 MIT 官方教程 App Inventor + IoT: Setting Up Your Arduino。
原文的固件下载链接已失效（iot.appinventor.mit.edu 已下线），获取方式见下。
一、器材清单
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Send email with PHPMailer - embed image in body
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I found the answer:
$mail->AddEmbeddedImage('img/2u_cs_mini.jpg', 'logo_2u');
and on the <img> tag put src='cid:logo_2u'
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一二三木头人 · App Inventor 2 中文网
...了。用完就关也省电。
第二，计时器的间隔是可以随时改的。「走」阶段设成 random(2000, 6000)
（2~6 秒的随机毫秒数），「停」阶段固定 3 秒。同一个计时器，靠改间隔就实现了两种节奏，
比放两个计时器干净得多。
开始游戏
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Does every web request send the browser cookies?
...w.stackoverflow.com; if you make a request to www.stackoverflow.com/images/logo.png, all those 4 cookies will be sent.
However, if you request stackoverflow.com/images/logo.png (notice the subdomain change) or images.stackoverflow.com/logo.png, those 4 cookies won't be present - but maybe those rela...
评分条使用指导 · App Inventor 2 中文网
...均分（支持半星，比如 4.5 分）。
用户打完分后触发评分改变（评分）（RatingChanged）；在代码里设置评分不会触发。
快速上手：提交评价
各案例独立使用；组合到同一屏幕时，将同名事件的处理合并到一个...
How To fix white screen on app Start up?
...en simpler like this (which also accepts vector drawables for the centered logo, unlike the <bitmap> tag):
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Background color -->
<item android:drawable="@color/gray"/>
<!-- Logo at th...
FB OpenGraph og:image not pulling images (possibly https?)
...f it's only with me but for me og:image does not work and it picks my site logo, even though facebook debugger shows the correct image.
But changing og:image to og:image:url worked for me. Hope this helps anybody else facing similar issue.
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App Inventor 2 调用大模型API教程 - 阿里云百练等LLM集成 · App Inventor 2 中文网
...k-your-deepseek-key"
// 请求格式与阿里云百练完全相同，只需改model为 "deepseek-chat"
使用LLMAI2Ext扩展
已有 extensions/LLMAI2Ext.md，直接调用大模型更方便：
when Screen1.Initialize() {
Qwen1.APIKey = "sk-your-key"
Qwen1.ModelName = "q...
iTunes音乐搜索 · App Inventor 2 中文网
...处理。这一点后面会细讲。
搭建界面
拖入这些组件，改成下面的名字：
组件（在哪个分类下）
改名为
要改的属性
图像（用户界面）
图像_封面
宽度、高度都设 200 像素
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What does an exclamation mark mean in the Swift language?
...unwrapping: let name = nameLabel!.text
Implicitly unwrapped optionals: var logo: UIImageView!
Forced casting: logo.image = thing as! UIImage
Unhandled exceptions: try! NSJSONSerialization.JSONObjectWithData(data, [])
Every one of these is a different language construct with a different meaning, bu...