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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...受支持。如果 MTU 更改成功，则 MTUChanged 事件将被触发。默认 MTU 为 20。
此块适用于需要更改 BLE 设备之间发送的消息大小的高级应用。大多数开发人员不需要调整此值。
MTU: 最大传输单元（MAXIMUM TRANSMISSION UNIT...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
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Databases
Merging More Than Two Projects
Renaming Second Project’s “Screen1”
Appendix
Appendix A: Complete Blocks for Screen1 of CountDownScreen1
Appendix B: Complete Blocks for SetTime Screen
Overview
Each developer will work on their own separate project file. These project files can...
How to list running screen sessions?
I have a bunch of servers, on which I run experiments using screen . The procedure is the following :
9 Answers
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Kill detached screen session [closed]
I learned from somewhere a detached screen can be killed by
11 Answers
11
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What is the difference between “px”, “dip”, “dp” and “sp”?
...oper Documentation:
px
Pixels - corresponds to actual pixels on the screen.
in
Inches - based on the physical size of the screen.
1 Inch = 2.54 centimeters
mm
Millimeters - based on the physical size of the screen.
pt
Points - 1/72 of an inch based on the physical size of ...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的功能，所以，也适用于Unix及BSD（如Mac OS）。
Linux
Linux默认安装就带了shell解释器。
Mac OS
Mac OS不仅带了sh、bash这两个最基础的解释器，还内置了ksh、csh、zsh等不常用的解释器。
Windows上的模拟器
windows出厂时没有内置shell解...
android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
I have to design splash screens(images that fit screen while loading) for android application using phonegap. I have to design 4 size images that fit for 4types of screens like ldpi, mdpi , hdpi, xhdpi . Can anyone tell me exact sizes in pixels for these screens so I can design in that size ?
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NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Assembler)汇编编译工具
3.1为什么使用NASM？
linux几乎总是默认安装as和gas作为默认的汇编程序编译器，然而，我们这里使用的NASM，采用intel语法，类似于TASM、MASM和其它的DOS汇编工具。(as和gas采用AT&T语法，与intel语法有些不同，...
Common CSS Media Queries Break Points [duplicate]
...gn flows well at each browser width, it should work pretty reliably on any screen size (and there are lots and lots of them out there.)
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How to detect the screen resolution with JavaScript?
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original answer
Yes.
window.screen.availHeight
window.screen.availWidth
update 2017-11-10
From Tsunamis in the comments:
To get the native resolution of i.e. a mobile device you have to multiply with the device pixel ratio: window.screen.width * windo...