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MQTT 之保留消息（Retained Messages） - 创客硬件开发 - 清泛IT社区，为创新赋能！
保留消息定义 如果PUBLISH消息的RETAIN标记位被设置为1，则称该消息为“保留消息”；Broker对保留消息的处理 Broker会存储每个Topic的最后一条保留消息及其Qos，当订阅该Topic的客户端上线后，Broker需要将该消息投递给它。A r...
AppInventor 能否实现按钮长按修改按钮文本的功能？ - App应用开发 - 清泛I...
...案都是类似这样实现的，是一个不错的方案。
来自：https://community.appinventor.mit.edu/t/long-press-button/10574
GestureDetector 手势检测拓展：识别向上/向下/向右/向左滑动和双击等手势...
GestureDetector 手势检测拓展，用于检测手势，例如向上/向下/向右/向左滑动和双击、单击、长按
它太容易使用了。只需在布局块中输入一个布局组件即可。
然后，您就可以使用所有事件了。
来源：https://community.kodular....
用户反馈文本输入框光标问题 - 用户反馈 - 清泛IT社区，为创新赋能！
...个网站好用.
----
输入完成后，他一直停留在框框
https://community.kodular.io/t/a ... ge-and-focus/257335
拓展可以消除焦点。感觉是ai2的通病，研究是否要原生解决一下。这2个拓展都可以实现。
目前已知所有平台都是焦点不...
ComponentTools 拓展：设置组件的边距 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
https://community.kodular.io/t/f ... ols-extension/78798
https://community.appinventor.mi ... ols-extension/15803
https://community.appinventor.mi ... hin-a-label/65831/9
Bottom Navigation Bar 底部导航栏 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
[size=15.008px]A simple extension to create bottom navigation bar like above,[size=15.008px]Created using Rush.
[size=15.008px]Untitled[size=15.008px]328×585 15.4 KB
[size=15.008px]Screenshot_20240627-102612[size=15.008px]1080×2340 136 KB[size=15.008px]
[size=15.008px]https://...
How to publish a website made by Node.js to Github Pages?
...teps. Abstract:
Create a New Repository
Clone the Repository
git clone https://github.com/your-github-user-name/your-github-user-name.github.io.git
Initialize a Harp app (locally):
harp init _harp
make sure to name the folder with an underscore at the beginning; when you deploy to GitHub Pa...
Why do I get a SyntaxError for a Unicode escape in my file path?
The folder I want to get to is called python and is on my desktop.
7 Answers
7
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What is the difference between javac and the Eclipse compiler?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do you change text to bold in Android?
How do you change text/font settings in an Android TextView ?
19 Answers
19
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