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App Inventor 2 复制屏幕功能，界面设计更便捷，避免误删组件 · App Inventor 2 中文网
...捷，避免误删组件
1、Screen1屏幕上有若干组件、及一个SQLite拓展：
2、点击工具栏上的“复制屏幕”按钮，输入新屏幕名称：
3、复制后的Screen2：
4、代码块也一并成功复制，且代码块中的...
How to make a programme continue to run after log out from ssh? [duplicate]
... @LordLoh. Afaik, the only practical way to do this is to use tmux or screen.
– James M. Lay
Feb 11 '16 at 21:20
2
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Android: Background Image Size (in Pixel) which Support All Devices
...ndroid Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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Show AlertDialog in any position of the screen
When we show an AlertDialog in android it shows in the center of the screen. Is there any way to change the position?
4 An...
How do I run a node.js app as a background service?
...
This might not be the accepted way, but I do it with screen, especially while in development because I can bring it back up and fool with it if necessary.
screen
node myserver.js
>>CTRL-A then hit D
The screen will detach and survive you logging off. Then you can get i...
How to exit from the application and show the home screen?
...
This answer will just make the home screen appear and will not exit/close the application completely as the OP wants.
– Basher51
Jul 27 '14 at 7:26
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Automatic Retina images for web sites
...ages, a (mostly) server side solution. It is based on a cookie storing the screen resolution, a web server configured to serve images from a PHP script, and named script to read the cookie and serve the appropriate image.
A bunch of possibilities well described and discussed on Smashing Magazine.
Se...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...xHeart]——心跳可选区间。
successHeart——当前成功心跳，初始为MinHeart
curHeart——当前心跳初始值为successHeart
heartStep——心跳增加步长
successStep——稳定期后的探测步长
b） 最大值探测步骤：
图4-1 自适应心跳计算流程
自...
Determine if the device is a smartphone or tablet? [duplicate]
... means "smallest width 600". If the size of the smallest dimension of the screen is greater than or equal to 600dp, the value in that folder will be chosen. A good reference for values and layout buckets (folders) is here: android-developers.blogspot.com/2012/07/….
– javahe...
Android: What is better - multiple activities or switching views manually?
...ht be better design for an Android application that has more than one full screen View:
If the application screens are tightly coupled and share a common Object that they are all operating on. In this case passing around the Object may require a Bundle and can be error prone since there will be co...