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计时器组件能不能在手机黑屏时继续工作？ - App Inventor 2 中文网 - 清泛I...
...工作？
其实，计时器组件有一个属性“一直计时”，默认是勾选的，开启一直计时的话，就能在App后台或者黑屏时继续触发计时事件。
通过简单的demo就能快速验证：
有兴趣的同学可以亲自验证一下~
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BLE connection error “Connection status was set to OS code 133” - 创...
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问题原来是设备试图发送大于 MTU 大小的数据包，Android 默认为 23，至少在我测试的特定设备上是这样。
请求更大的 MTU 大小确实解决了问题。
但是，如果错误代码可以明确指出这是问题所在，那就真的很有用了。这可以...
标签内容过多，如何做到可上下滑动？ - App应用开发 - 清泛IT社区，为创新赋能！
...在大模型App中，使用标签进行输出，这时可能内容较多，默认情况下，并不会出现滚动条，不能上下滑动，看不到上面已经隐藏的内容，那么该如何让其可滚动呢？
其实很简单：
垂直滚动布局就是为了解决区域显示不下...
How to set environment variables in Jenkins?
... > Manage Plugins and install the plugin.
Go to your job Configure screen
Find Add build step in Build section and select Inject environment variables
Set the desired environment variable as VARIABLE_NAME=VALUE pattern. In my case, I changed value of USERPROFILE variable
If you need to d...
How do I change screen orientation in the Android emulator?
How do we change emulator screen orientation to landscape or portrait?
26 Answers
26
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What goes into the “Controller” in “MVC”?
...itive user interface. For example, imagine a view/controller with a touch-screen showing the robot's current position in 2-D and allows the user to touch the point on the screen that just happens to be in front of the robot. The controller needs details about the view, e.g. the position and scale ...
How do I disable orientation change on Android?
... that I just would like to use in portrait mode, so I have defined
android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well).
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...可以。
二、大家的mysql数据库必须是按表存放数据的，默认不是，但是大家生产肯定是按分表设置的吧，如果不是，不好意思，这个方法不能恢复你的数据。my.ini的设置为 innodb_file_per_table = 1。
参考 http://blog.chinaunix.net/uid-241119...
What are the aspect ratios for all Android phone and tablet devices?
I'm looking for a list of all screen aspect ratios for popular Android based Phones and Tablets.
5 Answers
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How to enter in a Docker container already running with a new TTY
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What about running tmux/GNU Screen within the container?
Seems the smoother way to access as many vty as you want with a simple:
$ docker attach {container id}
share
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