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KeepScreenOn 拓展：保持屏幕常亮不息屏 · App Inventor 2 中文网
... KeepScreenOn1.KeepOn，即可让整个应用保持屏幕常亮
在特定操作（如开始导航、播放视频）时调用 KeepOn，操作结束后调用 AllowOff
通过 KeepScreenOn1.Enabled 属性块在代码中动态控制开关
您的改进建议 ...
滚动布局管理器拓展 - ScrollArrangementHandler · App Inventor 2 中文网
...动位置 数值 只读
返回当前的水平滚动位置
允许用户操作滚动布局 布尔值
设置是否允许用户通过触摸操作来滚动布局
垂直滚动布局管理器 VerticalScrollHandler
垂直滚动布局管理器允许在同一屏幕内实...
What is the most efficient way to create HTML elements using jQuery?
...ents were obviously wrong, I've removed them.
– tvanfosson
Sep 8 '10 at 13:23
16
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How to detect page zoom level in all modern browsers?
...en this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: s...
How do I correctly clean up a Python object?
...esources that need to be cleaned up. The problem with using an explicit close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs.
To use the with statement, create a class ...
How to find serial number of Android device?
...
@Hasemam This is not working for me, giving "Force Close" error
– Paresh Mayani
Aug 26 '10 at 11:51
23
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How to install Android SDK Build Tools on the command line?
...
@AlexanderMalakhov I agree, if your host OS has the utility, using it is the best option. I looked at expect first, but in my case I have to run the script on a certain Linux distributive running in AWS cloud. That distro does not have expect installed and I don...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...略的字符代码。默认值：6（ACK）。
IO超时 IoTimeout
I/O 操作的超时时间（毫秒）。默认值：1000ms。
是否运行中 IsRunning
返回服务器的运行状态。
行分隔符为CRLF LineDelimiterCrLf
设置行分隔符类型。true = CRLF (0x0D+0x0A)，false = L...