大约有 8,000 项符合查询结果（耗时：0.0215秒） [XML]
How to disable scrolling in UITableView table when the content fits on the screen
I have a few (grouped style) tables in my iphone app (only on part of the screen and added with Interface Builder though, not subclassed from UITableViewController ) that 80% of the time are small and will fit on the screen. When the table fits on the screen, I'd like to disable scrolling, to ma...
How to check an Android device is HDPI screen or MDPI screen?
... Density values described at: developer.android.com/guide/practices/screens_support.html
– esilver
Jan 21 '14 at 21:52
1
...
How to detect the device orientation using CSS media queries?
...
CSS to detect screen orientation:
@media screen and (orientation:portrait) { … }
@media screen and (orientation:landscape) { … }
The CSS definition of a media query is at http://www.w3.org/TR/css3-mediaqueries/#orientation
...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
...: "View Controller Advancements in iOS 8"
Quote from the presentation:
UIScreen is now interface oriented:
[UIScreen bounds] now interface-oriented
[UIScreen applicationFrame] now interface-oriented
Status bar frame notifications are interface-oriented
Keyboard frame notifications are interface-...
Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
...
How do I prevent an Android device from going to sleep programmatically?
...ext.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
wl.acquire();
// screen and CPU will stay awake during this section
wl.release();
There's also a table on this page that describes the different kinds of wakelocks.
Be aware that some cau...
How do I hide an element when printing a web page?
...not complete. You have to have two media sections. @media print and @media screen. In the print section, you place your styles for printing. In the screen screen section, you place your styles for screen printing. You can even have multiple screen sections for different resolutions. Basically if you...
what exactly is device pixel ratio?
...ssion
The CSS "pixel" is not even defined as "one picture element on some screen", but rather as a non-linear angular measurement of viewing angle, which is approximately of an inch at arm's length. Source: CSS Absolute Lengths
This has lots of implications when it comes to web design, such as p...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
...
BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...们建立网络连接的时候采用BIO模式，需要先在服务端启动一个ServerSocket，然后在客户端启动Socket来对服务端进行通信，默认情况下服务端需要对每个请求建立一堆线程等待请求，而客户端发送请求后，先咨询服务端是否有线程相...