大约有 42,000 项符合查询结果(耗时:0.1405秒) [XML]

https://stackoverflow.com/ques... 

Convert string to variable name in JavaScript

... @WojciechBednarski: Don't confuse scope and context. this is context, what it points to depends on how the function is called. In JS, 50% of the time this is window unless you enable strict mode and this becomes undefined and will throw an error. Scope is something...
https://stackoverflow.com/ques... 

CSS performance relative to translateZ(0)

...n element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner: ...
https://stackoverflow.com/ques... 

How to use z-index in svg elements?

...Fiddle. Solution (alternative) The tag use with the attribute xlink:href and as value the id of the element. Keep in mind that might not be the best solution even if the result seems fine. Having a bit of time, here the link of the specification SVG 1.1 "use" Element. Purpose: To avoid re...
https://stackoverflow.com/ques... 

What are the security risks of setting Access-Control-Allow-Origin?

...n. This basically means that any site can send an XHR request to your site and access the server’s response which would not be the case if you hadn’t implemented this CORS response. So any site can make a request to your site on behalf of their visitors and process its response. If you have som...
https://stackoverflow.com/ques... 

how can you easily check if access is denied for a file in .NET?

...heck unless I have to. Is there a file access property I can check before hand? 6 Answers ...
https://stackoverflow.com/ques... 

Group by month and year in MySQL

...Performance... my test of GROUP BY YEAR(date), MONTH(date) DESC; (~450 ms) and GROUP BY DATE_FORMAT(date,'%Y-%m') (~850 ms) on a InnoDB table with > 300,000 entries showed the former (the marked answer to this question) took ~half the time as the latter. – ow3n ...
https://stackoverflow.com/ques... 

Is there a vim command to relocate a tab?

... 7.3 (2010 Aug 15, compiled Apr 2 2013 09:17:34) Included patches: 1-547 and +- not supported there, documentation said I should specify zero or positive value – Vladimir Sep 10 '13 at 13:41 ...
https://stackoverflow.com/ques... 

Position absolute but relative to parent

I have two divs inside another div, and I want to position one child div to the top right of the parent div, and the other child div to the bottom of the parent div using css. Ie, I want to use absolute positioning with the two child divs, but position them relative to the parent div rather than the...
https://stackoverflow.com/ques... 

How to access SOAP services from iPhone

I'm planning to develop an app for the iPhone and that app would have to access a couple of SOAP services. While doing some basic checking in the iPhone SDK I was not able to find any support for accessing SOAP services, a bit of Googling lead to the conclusion that there is no support for SOAP in t...
https://stackoverflow.com/ques... 

In Rails, how do you render JSON using a view?

Suppose you're in your users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file. ...