大约有 43,000 项符合查询结果(耗时:0.0759秒) [XML]

https://stackoverflow.com/ques... 

socket.emit() vs. socket.send()

... I don't know, I checked the source code and they make almost the same (github.com/LearnBoost/socket.io/blob/master/lib/socket.js#L318). Maybe it's historical and just for backwards compatibility. – Charles Jul 20 '12 at 6:53 ...
https://stackoverflow.com/ques... 

Batch file to copy directories recursively

... Look into xcopy, which will recursively copy files and subdirectories. There are examples, 2/3 down the page. Of particular use is: To copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type: xcopy a: b: /s /e ...
https://stackoverflow.com/ques... 

How can I check that a form field is prefilled correctly using capybara?

... Ah, I was missing the .value bit. Thanks! – Marc-André Lafortune May 8 '12 at 18:02 I was having the same problem...
https://stackoverflow.com/ques... 

How do I attach events to dynamic HTML elements with jQuery? [duplicate]

Suppose I have some jQuery code that attaches an event handler to all elements with class .myclass . 8 Answers ...
https://stackoverflow.com/ques... 

Build tree array from flat array in javascript

I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree. Every entry of the json has : id : a unique id, parentId : the id of the parent node (which is 0 if the node is a root of the tree) level : the level of depth in the tree ...
https://stackoverflow.com/ques... 

How can I create a correlation matrix in R?

...correlation. So, the number of rows must be the same between your matrix x and matrix y. Ex.: set.seed(1) x <- matrix(rnorm(20), nrow=5, ncol=4) y <- matrix(rnorm(15), nrow=5, ncol=3) COR <- cor(x,y) COR image(x=seq(dim(x)[2]), y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column") text...
https://stackoverflow.com/ques... 

How can I trigger a Bootstrap modal programmatically?

...ation however is that, when I the modal box opens, it resets the scrolling and if I triggered the modal box from the bottom of page, the page gets scrolled to top. How should I stop that? – divinedragon Feb 25 '13 at 10:50 ...
https://stackoverflow.com/ques... 

Get context of test project in Android junit test case

Does anyone know how can you get the context of the Test project in Android junit test case (extends AndroidTestCase). 9...
https://stackoverflow.com/ques... 

iOS White to Transparent Gradient Layer is Gray

...with an alpha of 0, so I had to use [UIColor colorWithWhite:1 alpha:0] and it works fine. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to determine if one array contains all elements of another array

...d Sep 12 '11 at 12:36 Pablo FernandezPablo Fernandez 91.2k5353 gold badges177177 silver badges224224 bronze badges ...