大约有 32,293 项符合查询结果(耗时:0.0446秒) [XML]
CROSS JOIN vs INNER JOIN in SQL
What is the difference between CROSS JOIN and INNER JOIN ?
12 Answers
12
...
Greedy vs. Reluctant vs. Possessive Quantifiers
...ellent tutorial on regular expressions and while I intuitively understand what "greedy", "reluctant" and "possessive" quantifiers do, there seems to be a serious hole in my understanding.
...
MVC (Laravel) where to add logic
...ere it makes sense to you (with services).
The long answer:
Controllers: What is the responsibility of Controllers? Sure, you can put all your logic in a controller, but is that the controller's responsibility? I don't think so.
For me, the controller must receive a request and return data and t...
JavaScript URL Decode function
What's the best JavaScript URL decode utility? Encoding would be nice too and working well with jQuery is an added bonus.
...
JavaScript: What are .extend and .prototype used for?
...type javascript library, but I am beginning to think that is not the case. What are these used for?
6 Answers
...
What is the best way to get the count/length/size of an iterator?
...
If you've just got the iterator then that's what you'll have to do - it doesn't know how many items it's got left to iterate over, so you can't query it for that result. There are utility methods that will seem to do this (such as Iterators.size() in Guava), but undern...
What is Scala's yield?
I understand Ruby and Python's yield. What does Scala's yield do?
9 Answers
9
...
What is the idiomatic way to compose a URL or URI in Java?
... possible complete solution with zero dependencies" - Sounds like you know what is important! Your answer should be the accepted one imho. Including all of HttpClient (with all it's version updates and even deprecating the very API this question is about) just for building a url is what makes for to...
Why aren't variable-length arrays part of the C++ standard?
...sometimes you definitely may know an upper bound. But in those cases, from what i see a static array can equally be sufficient, since it would not waste much space anyway (if it would, then you would actually have to ask whether the stack area is large enough again).
– Johannes...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...
Because interfaces specify only what the class is doing, not how it is doing it.
The problem with multiple inheritance is that two classes may define different ways of doing the same thing, and the subclass can't choose which one to pick.
...
