大约有 32,294 项符合查询结果（耗时：0.0306秒） [XML]
JRuby on Rails vs. Ruby on Rails, what's difference?
...ry out JRuby and JRuby on Rails. I'm having trouble finding information on what's difference between JRuby on Rails and Ruby on Rails.
...
What's the best manner of implementing a social activity stream? [closed]
...s a serialized object with meta-data for the activity where you can put in whatever you want
This limits the searches/lookups, you can do in the feeds, to users, time and activity types, but in a facebook-type activity feed, this isn't really limiting. And with correct indices on the table the loo...
Understanding how recursive functions work
...iddle of being run, all waiting on the result of the next copy to find out what they should add to 'a'.
(edit: also, something to be aware of is that the stack of copies of the function I mention is a real thing that takes up real memory, and will crash your program if it gets too large. The compil...
What is the leading LINQ for JavaScript library? [closed]
...uick search found a couple of promising options that look they might offer what I need:
10 Answers
...
What does jquery $ actually return?
...have read the JQuery documentation, and while much attention is devoted to what you should pass the function, I don't see any information on what it actually returns .
...
What is the difference between sql and mysql [closed]
I am new to databases and I was wondering: What is the difference between SQL and MySQL ?
5 Answers
...
What is aria-label and how should I use it?
...esn't mean much without the visual clues. aria-label explicitly tells them what the button will do.
share
|
improve this answer
|
follow
|
...
Am I immoral for using a variable name that differs from its type only by case?
...
What is the reasoning of those telling you this is bad? I do this all the time. It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with mea...
Arrays, heap and stack and value types
In the above code, is new int[100] generating the array on the heap? From what I've read on CLR via c#, the answer is yes. But what I can't understand, is what happens to the actual int's inside the array. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myInte...
What's the difference between utf8_general_ci and utf8_unicode_ci?
... of these newer collations instead of either _unicode or _general. Much of what's written below is not of much interest anymore if you can use one of the newer collations instead.
Key differences
utf8mb4_unicode_ci is based on the official Unicode rules for universal sorting and comparison, which s...