大约有 40,000 项符合查询结果（耗时：0.0307秒） [XML]
@Media min-width & max-width
...for a 600px - 960px width max but using percentages
*/
@media only screen and (min-width: 960px) {
/* styles for browsers larger than 960px; */
}
@media only screen and (min-width: 1440px) {
/* styles for browsers larger than 1440px; */
}
@media only screen an...
“:” (colon) in C struct - what does it mean? [duplicate]
...ary.
This example defines a two-dimensional array of structures named screen.
struct
{
unsigned short icon : 8;
unsigned short color : 4;
unsigned short underline : 1;
unsigned short blink : 1;
} screen[25][80];
Edit: another important bit from the MSDN link:
Bit fields...
Detect 7 inch and 10 inch tablet programmatically
...u can use the DisplayMetrics to get a whole bunch of information about the screen that your app is running on.
First, we create a DisplayMetrics metrics object:
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
From this, we can get the in...
When to use IMG vs. CSS background-image?
...the meaning of the image can be communicated in all user-agents, including screen readers.
Pragmatic uses of IMG
Use IMG plus alt attribute if the image
is part of the content such as a logo or diagram or person (real person, not stock photo people).
—sanchothefat
Use IMG if you rely on bro...
UICollectionView Set number of columns
...e method responsible for determining the size of the Cell. I then took the screen width and divided it with my column requirement. For example, I wanted to have 3 columns on each screen size. So here's what my code looks like -
- (CGSize)collectionView:(UICollectionView *)collectionView
...
Take screenshots in the iOS simulator
I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
...
Media Queries: How to target desktop, tablet, and mobile?
...in "mobile-first" design, wherein you start by designing for your smallest screens, and then add ever-increasing media queries, working you way onto larger and larger screens. Regardless of whether you prefer min-, max-, or combinations thereof, be cognizant of the order of your rules, keeping in mi...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以用 boost::asio::ip::tcp::resolver::iterator 来进行迭代.iterator默认的构造函数生成一个end iterator.
tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
tcp::resolver::iterator end;
现在我们建立一个连接的sockert,由于获得节点既...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...app.ReleaseDispatch();
m_app=NULL;
}
//关闭打开的Excel 文件,默认情况不保存文件
void CExcelOp::CloseExcelFile(BOOL if_save)
{
//如果已经打开，关闭文件
if (open_excel_file_.IsEmpty() == FALSE)
{
//如果保存,交给用户控制,让用户自己存，如果...
How can I get the active screen dimensions?
...
Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be:
class MyForm : Form
{
public Rectangle GetScreen()
{
return Screen.FromControl(this).Bound...