大约有 40,000 项符合查询结果(耗时:0.0322秒) [XML]

https://stackoverflow.com/ques... 

Center a position:fixed element

I would like to make a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally. ...
https://stackoverflow.com/ques... 

iPhone app in landscape mode, 2008 systems

...nterfaceOrientation properly everywhere" it means everywhere, all your fullscreen views. Hope it helps in this nightmare! An important reminder of the ADDITIONAL well-known problem at hand here: if you are trying to swap between MORE THAN ONE view (all landscape), IT SIMPLY DOES NOT WORK. It is ess...
https://stackoverflow.com/ques... 

Internal Error 500 Apache, but nothing in the logs?

...as fast as physically possible and it's a security hazard to log errors to screen where attackers can observe them. These instructions to enable Internal Server Error Logging are for Ubuntu 12.10 with PHP 5.3.10 and Apache/2.2.22. Make sure PHP logging is turned on: Locate your php.ini file: el@apo...
https://stackoverflow.com/ques... 

How to jump directly to a column number in Vim

... bar | To screen column [count] in the current line. exclusive motion. Ceci n'est pas une pipe. http://vimdoc.sourceforge.net/htmldoc/motion.html#bar ...
https://stackoverflow.com/ques... 

Does Python optimize tail recursion?

...n the idea rather than on the process, having twenty short functions on my screen in the same time rather than only three "Pythonic" functions, working in an interactive session rather than editing my code, etc.). Optimizing tail-recursion in Python is in fact quite easy. While it is said to be imp...
https://stackoverflow.com/ques... 

iPad Safari scrolling causes HTML elements to disappear and reappear with a delay

...g into a problem wherein large scroll areas cause the elements that are offscreen to appear after a delay when I scroll down to them. ...
https://stackoverflow.com/ques... 

How to programmatically set style attribute in a view

...erally you can't change styles programmatically; you can set the look of a screen, or part of a layout, or individual button in your XML layout using themes or styles. Themes can, however, be applied programmatically. There is also such a thing as a StateListDrawable which lets you define differen...
https://stackoverflow.com/ques... 

What's the difference between :: (double colon) and -> (arrow) in PHP?

...on the test server, there it just explodes with a syntax error and a white screen in the browser. Since PHP logging was turned off at the test machine, and the hosting company was too busy to turn it on, it was not too obvious. So, word of warning: apparently, some PHP installations will let you u...
https://stackoverflow.com/ques... 

How can I update a single row in a ListView?

... This worked for me, except - when the view left the screen, when it re-enters the change is reset. I guess because in the getview it is still receiving the original information. How do I get around this? – gloscherrybomb Jan 23 '12 at 20:...
https://stackoverflow.com/ques... 

How can I parse a YAML file from a Linux shell script?

... It only prints the output on screen. How would you access the values later on? – sattu Dec 4 '16 at 21:52  | ...