大约有 42,000 项符合查询结果(耗时:0.0758秒) [XML]

https://stackoverflow.com/ques... 

Batch file to copy directories recursively

Is there a way to copy directories recursively inside a .bat file? If so, an example would be great. thanks. 3 Answers ...
https://stackoverflow.com/ques... 

Numpy array assignment with copy

...memory as the original array, which won't have been copied. That's why I said it's more like B = A. It takes only O(1) space and time, rather than the O(n) of each a real copy would need. – Blckknght May 23 '18 at 23:19 ...
https://stackoverflow.com/ques... 

How to get evaluated attributes inside a custom directive

...e value string, you should wrap it in quotes. (See 3rd input) Here is the fiddle to play with: http://jsfiddle.net/neuTA/6/ Old Answer: I'm not removing this for folks who can be misled like me, note that using $eval is perfectly fine the correct way to do it, but $parse has a different behavior, yo...
https://stackoverflow.com/ques... 

passing several arguments to FUN of lapply (and others *apply)

... you'd however like to call myfun to each element of arg1 separately alongside elements of x (myfun(x[1], arg1[1]), myfun(x[2], arg1[2]) etc.), it's not possible to use lapply. Instead, use mapply(myfun, x, arg1) (as stated above) or apply: apply(cbind(x,arg1), 1, myfun) or apply(rbind(x,arg1)...
https://stackoverflow.com/ques... 

In C++, if throw is an expression, what is its type?

...n fact, 15.1, paragraph 1 says explicitly "A throw-expression is of type void." share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Where should Rails 3 custom validators be stored?

I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
https://stackoverflow.com/ques... 

What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
https://stackoverflow.com/ques... 

Immediate function invocation syntax

... From Douglass Crockford's style convention guide: (search for "invoked immediately") When a function is to be invoked immediately, the entire invocation expression should be wrapped in parens so that it is clear that the value being produced is the result of the functi...
https://stackoverflow.com/ques... 

Where did the name `atoi` come from?

In the C language where did they come up with the name atoi for converting a string to an integer? The only thing I can think of is Array To Integer for an acronym but that doesn't really make sense. ...
https://stackoverflow.com/ques... 

Is Hash Rocket deprecated?

...ssary. In particular: You must use the rocket for symbols that are not valid labels: :$set => x is valid but $set: x is not. In Ruby 2.2+ you can get around this problem with quotes: '$set': x will do The Right Thing. You must use the rocket if you use keys in your Hashes that aren't symbols, s...