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Maintain aspect ratio of div but fill screen width and height in CSS?
I have a site to put together that has a fixed aspect ratio of approximately 16:9 landscape, like a video.
9 Answers
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...起借助Bochs的debug功能来一探究竟。
我们双击“pfos.bxrc”默认是以运行模式启动Bochs，实际上我们应该启动bochsdbg.exe，因此写个简单的批处理脚本启动它吧，如下：
@echo off
SET BXSHARE=C:\Program Files (x86)\Bochs-2.5
if %PROCESSOR_ARCHIT...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...t app, using only one APK, and loading resources as is needed depending on screen size, the best design choice seemed to be using Fragments via the ACL.
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What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
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Definitions:
Frame Layout: This is designed to block out an area on the screen to display a single item.
Linear Layout: A layout that arranges its children in a single column or a single row.
Relative Layout: This layout is a view group that displays child views in relative positions.
Table Layou...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nux中是一种“灵活布局”（flexible layout），而且以此作为默认方式已经有些年头了。它假设我们有值RLIMIT_STACK。当情况不是这样时，Linux退回使用“经典布局”（classic layout），如下图所示：
对虚拟地址空间的布局就...
Zoom in on a point (using scale and translate)
... = width;
var visibleHeight = height;
function draw(){
// Clear screen to white.
context.fillStyle = "white";
context.fillRect(originx,originy,800/scale,600/scale);
// Draw the black square.
context.fillStyle = "black";
context.fillRect(50,50,100,100);
}
// Draw...
Emacs - Multiple columns one buffer
...e to use some of the acres of horizontal space I have and see more code on-screen at one time. Is there a method for getting Emacs (or indeed another editor) to show me multiple columns all pointing to the same buffer?
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Using vagrant to run virtual machines with desktop environment
...rtualBox guest tools before starting the GUI. This will give you a healthy screen resolution, integrated mouse, etc.
$ sudo apt-get install -y xfce4 virtualbox-guest-dkms virtualbox-guest-utils virtualbox-guest-x11
$ sudo VBoxClient-all
Only now should you start the GUI as the vagrant user, with $ s...
What are the dark corners of Vim your mom never told you about? [closed]
...will reverse casing of entire word
Ctrl+u / Ctrl+d scroll the page half-a-screen up or down. This seems to be more useful than the usual full-screen paging as it makes it easier to see how the two screens relate. For those who still want to scroll entire screen at a time there's Ctrl+f for Forward ...
How to print from GitHub
If I want to print a markdown file from GitHub as it appears on screen, for example:
https://github.com/RestKit/RestKit/blob/master/Docs/Object%20Mapping.md
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