大约有 40,700 项符合查询结果(耗时:0.0338秒) [XML]

https://stackoverflow.com/ques... 

Get checkbox value in jQuery

... To get the value of the Value attribute you can do something like this: $("input[type='checkbox']").val(); Or if you have set a class or id for it, you can: $('#check_id').val(); $('.check_class').val(); However this will return the same value whether it is checked or not, this can be c...
https://stackoverflow.com/ques... 

How to convert std::string to lower case?

...se. I am aware of the function tolower() , however in the past I have had issues with this function and it is hardly ideal anyway as use with a std::string would require iterating over each character. ...
https://stackoverflow.com/ques... 

How to have the formatter wrap code with IntelliJ?

... Code Style / Wrapping. Update: in later versions of IntelliJ, the option is under Settings / Editor / Code Style. And select Wrap when typing reaches right margin. share | improve this answer ...
https://stackoverflow.com/ques... 

Why are these constructs using pre and post-increment undefined behavior?

...s are syntactically valid but you can't predict the behavior when the code is run. As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i...
https://stackoverflow.com/ques... 

Why would iterating over a List be faster than indexing through it?

Reading the Java documentation for the ADT List it says: 5 Answers 5 ...
https://stackoverflow.com/ques... 

Difference between “or” and || in Ruby? [duplicate]

What's the difference between the or and || operators in Ruby? Or is it just preference? 8 Answers ...
https://stackoverflow.com/ques... 

How does facebook, gmail send the real time notification?

I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc. 5 Answer...
https://stackoverflow.com/ques... 

How can I implement an Access Control List in my Web MVC application?

...wer (ACL implementation) In my humble opinion, the best way to approach this would be to use decorator pattern, Basically, this means that you take your object, and place it inside another object, which will act like a protective shell. This would NOT require you to extend the original class. Here ...
https://stackoverflow.com/ques... 

What is the main purpose of setTag() getTag() methods of View?

What is the main purpose of such methods as setTag() and getTag() of View type objects? 7 Answers ...
https://stackoverflow.com/ques... 

When to favor ng-if vs. ng-show/ng-hide?

...t the class set on an element and that ng-if controls whether an element is rendered as part of the DOM. 7 Answers ...