大约有 45,000 项符合查询结果(耗时:0.0475秒) [XML]

https://stackoverflow.com/ques... 

Do checkbox inputs only post data if they're checked?

...box field), and checking the checkbox, the post value is a comma separated string of the values, ie. something like "0,1" – ʞᴉɯ Oct 5 '16 at 11:16 1 ...
https://stackoverflow.com/ques... 

Android: alternate layout xml for landscape mode

...can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways. ...
https://stackoverflow.com/ques... 

How to clone all repos at once from GitHub?

... see anything referencing what I know of our repositories or the 'ssh_url' string. I suspect I didn't do the call properly. curl -i https://github.com/api/v3/orgs/company/repos?access_token=<token> – numb3rs1x Oct 24 '13 at 21:59 ...
https://stackoverflow.com/ques... 

What is the performance cost of having a virtual method in a C++ class?

...roblem specific to..." it's a tad worse for virtual dispatch as there's an extra page (or two if it happens to fall across a page boundary) that has to be in cache - for the class's Virtual Dispatch Table. – Tony Delroy May 13 '14 at 1:12 ...
https://stackoverflow.com/ques... 

C# generic type constraint for everything nullable

...oo<int?>(); Console.WriteLine(foo1.IsNull()); var foo2 = new Foo<string>(); Console.WriteLine(foo2.IsNull()); var foo3= new Foo<int>(); // THROWS Console.WriteLine(foo3.IsNull()); share | ...
https://stackoverflow.com/ques... 

What is aria-label and how should I use it?

...is rather common since sighted users and developers are less likely to put extra effort in extensive testing with screen readers while on the other hand ARIA specs and validators are currently far from perfect and even confusing in some cases. On top of that each browser and screen reader implement ...
https://stackoverflow.com/ques... 

Removing elements by class name?

...Brett - do it anyway! It'll take a few minutes of your time and you'll get extra high-fives at the office :) – karim79 Jan 23 '11 at 23:13 ...
https://stackoverflow.com/ques... 

how to show lines in common (reverse diff)?

... Thank you for coming back and clarifying Ryder. The extra attention is noted and appreciated (all t0o easy to let old things slip away!). I've switched the accepted answer because comm is clearly the community's choice, even though personally I still use this when sorting is u...
https://stackoverflow.com/ques... 

Twig: in_array or similar possible within if statement?

...the accepted answer back in 2012. This answer doesn't seem to add anything extra. – William Isted Aug 18 '16 at 14:43 7 ...
https://stackoverflow.com/ques... 

How to compute the sum and average of elements in an array?

...age is: " + avg ); Just iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values. share | ...