大约有 15,000 项符合查询结果(耗时:0.0276秒) [XML]

https://stackoverflow.com/ques... 

How do you discover model attributes in Rails?

I am finding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files. ...
https://stackoverflow.com/ques... 

Nullable vs. int? - Is there any difference?

Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other? 5 ...
https://stackoverflow.com/ques... 

How enumerate all classes with custom class attribute?

Question based on MSDN example . 7 Answers 7 ...
https://stackoverflow.com/ques... 

How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like: ...
https://stackoverflow.com/ques... 

How much is the overhead of smart pointers compared to normal pointers in C++?

How much is the overhead of smart pointers compared to normal pointers in C++11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower? ...
https://stackoverflow.com/ques... 

How do I detect when someone shakes an iPhone?

...one. I don't particularly care how they shake it, just that it was waved vigorously about for a split second. Does anyone know how to detect this? ...
https://stackoverflow.com/ques... 

Why is JSHINT complaining that this is a strict violation?

... JSHint says "Possible strict violation" because you are using this inside something that, as far as it can tell, is not a method. In non-strict mode, calling gotoPage(5) would bind this to the global object (window in the browser). In strict mode, this would be undefined, and you wou...
https://stackoverflow.com/ques... 

What does (angle brackets) mean in Java?

I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean? 6 Answers ...
https://stackoverflow.com/ques... 

How to choose between Hudson and Jenkins? [closed]

...n has only branched recently (Jan/2011) I have no idea how rapid the change of each branch is now, but more importantly, what is the direction each branch is taking and what are key points so one could make a choice between which to go with? ...
https://stackoverflow.com/ques... 

In Vim, how do I apply a macro to a set of lines?

...unch of lines. I have recorded a macro that performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this? ...