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扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
...都直接兼容。
源码里有什么现成组件？
我扫了一遍 com.google.appinventor.components.runtime 和 cn.fun123 下的所有源码：
MIT官方内置组件：
- Web组件 — HTTP GET/POST，支持JSON解析
- BluetoothClient — 蓝牙SPP串口
- Serial — USB串口（基...
How do I forward declare an inner class? [duplicate]
...declaration order so that the nested class is fully defined first
Create a common base class that can be both used in the function and implemented by the nested class.
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jQuery: $().click(fn) vs. $().bind('click',fn);
... something to happen when the use hovers AND clicks etc. See stackoverflow.com/a/519455/292408 below for the example. You can of course only bind to one event, e.g. 'click' as well.
– Elijah Lynn
Nov 8 '13 at 16:41
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Declare a block method parameter without using a typedef
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+1, though a typedef should really be preferred for more complicated cases.
– Fred Foo
Mar 30 '11 at 13:35
3
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Remove multiple spaces and new lines inside of String
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check out Rails squish method:
http://apidock.com/rails/String/squish
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Cocoa: What's the difference between the frame and the bounds?
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How do I remove a key from a JavaScript object? [duplicate]
...an exception when using delete in certain circumstances. See stackoverflow.com/questions/1073414/…
– nullability
Apr 9 '13 at 20:58
4
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How to sort an ArrayList in Java [duplicate]
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Use a Comparator like this:
List<Fruit> fruits= new ArrayList<Fruit>();
Fruit fruit;
for(int i = 0; i < 100; i++)
{
fruit = new Fruit();
fruit.setname(...);
fruits.add(fruit);
}
// Sorting
Collections.sort(f...
How can I properly handle 404 in ASP.NET MVC?
...sentially broken as a 404 solution until it does. Check this: codinghorror.com/blog/2007/03/…
– Matt Kocaj
Apr 5 '10 at 5:21
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Adding event listeners to dynamically added elements using jQuery [duplicate]
...t element possible so it doesn't "bubble" up further then it needs to. I recommend you read up on event bubbling to get a better understanding.
– Jack
Jan 2 '19 at 20:26
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