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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)三种颜色的变化使其相互叠加产生花式颜色。而其颜色值的输出是通过PWM来控制的。RGB三基色按照不同的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...
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，因为多个屏幕的应用程序将非常消耗计算资源，并且很容易超出 App Inventor 的限制。根据经验，任何单个应用程序中的屏幕不应超过 10 个，当你尝试超过此限制时，App Inventor 会警告你...
“信息分享器”误点了始终按钮，还能恢复初始的选择选项吗？ - App应用开发...
Q：分享器打开后原有很多可选的APP，包括微信，地图等等，对话框下有（始终）和（仅一次），误点了（始终），则再次打开就只有一种选择，重新安装后也是如此，换个手机就又好了，但是如再次点击（始终）选择，则这个...
GitHub: How to make a fork of public repository private?
...re is an "import" option/button
click it and put the existing github repo url
There is no github option mention but it works with github repos too.
DONE
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What are the pros and cons of the leading Java HTML parsers? [closed]
...e grow up 10 times as big, without writing utility/helper methods).
String url = "http://stackoverflow.com/questions/3152138";
Document document = new Tidy().parseDOM(new URL(url).openStream(), null);
XPath xpath = XPathFactory.newInstance().newXPath();
Node question = (Node) xpath.compile("//*[@...
What is the advantage of using Restangular over ngResource?
...e based approach, the idea is that Restangular can also handle all of your URLs, so that you don't have to know anything about them.
Suppose that you have something like this for cars : /users/123/cars/456
In $resource, You'd have to construct that URL manually and you'd also have to construct the...
How long do browsers cache HTTP 301s?
...sue another redirect back again.
If the browser is directed back to a same URL a second time during a redirect, it should fetch it from the origin again instead of redirecting again from cache, in an attempt to avoid a redirect loop. Comments on this answer indicate this now works in all major brow...
Hosting a Maven repository on github
...
<name>Temporary Staging Repository</name>
<url>file://${project.build.directory}/mvn-repo</url>
</repository>
</distributionManagement>
<plugins>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
...
Hidden features of HTML
...
That’s not an HTML feature but a URL/URI feature.
– Gumbo
Jun 6 '09 at 20:01
44
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How to get URI from an asset File?
...View, you can use the file Uri scheme in much the same way you would use a URL. The syntax for assets is file:///android_asset/... (note: three slashes) where the ellipsis is the path of the file from within the assets/ folder.
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