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【教学】AppInventor2人工智能应用：Personal Audio Classifier 自行训练神...
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AI 行動化（AI on mobile）呼應了人類生活早已離不開手機的事實，另一方面，手機處理晶片速度一日千里，今天跑不動的東西，很快就不再是問題。對於 AI 這個議題，大家可以期待的事情就是一般化（大家都可以用）與 行動化 ...
请问各位前辈大佬关于APP熄灭屏幕后停止响应的问题。 - App Inventor 2 拓...
...开始学习 APP INVENTOR编程。 尝试写了一个与MQTT服务器通讯的小程序。 这个小程序在手机当前程序状态运行正常 手机切换到别的应用 也运行正常。 但是 当手机屏幕熄灭 ， 刚熄灭的时候 还能正常接收MQTT的信息 。 再过一会 ...
AngularJS with Django - Conflicting template tags
I want to use AngularJS with Django however they both use {{ }} as their template tags. Is there an easy way to change one of the two to use some other custom templating tag?
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How to filter multiple values (OR operation) in angularJS
I want to use the filter in angular and want to filter for multiple values, if it has either one of the values then it should be displayed.
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【解决】Apache2配置虚拟主机，仅第一个VirtualHost生效的问题 - 更多技术 ...
...匹配改为*，即：<VirtualHost *:80> 解决。
原因是某些Apache2版本Host只能用通配符*，然后匹配里面的ServiceName，而非根据Host中名字匹配。
Apache2
如何实现剪贴板的复制粘贴功能？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
剪贴板的复制粘贴功能，原生组件不支持。可以使用拓展：
中文网推出的中文版本：
英文原版：
用法很简单，请参考文档：https://www.fun123.cn/reference/extensions/clipboard.html
How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
If I have an array of objects, and I want to bind the Angular model to a property of one of the elements based on a filter, how do I do that? I can explain better with a concrete example:
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AngularJS: ng-repeat list is not updated when a model element is spliced from the model array
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Whenever you do some form of operation outside of AngularJS, such as doing an Ajax call with jQuery, or binding an event to an element like you have here you need to let AngularJS know to update itself. Here is the code change you need to do:
app.directive("remove", function...
How to select a radio button by default? [duplicate]
... matter; it's just a convention to assign "checked". Most importantly, strings like "true" or "false" don't have any special meaning.
If you don't aim for XHTML conformance, you can simplify the code to:
<input type="radio" name="imgsel" value="" checked>
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What is the difference between compile and link function in angularjs
...e template associated with the directive.
link function - use for registering DOM listeners (i.e., $watch expressions on the instance scope) as well as instance DOM manipulation (i.e., manipulation of iElement = individual instance element). It is executed after the template has been cloned. E.g., ...