大约有 40,700 项符合查询结果（耗时：0.0493秒） [XML]
What is the purpose of “&&” in a shell command?
As far as I know, using & after the command is for running it in the background.
9 Answers
...
Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
52 Answers
...
Skip List vs. Binary Search Tree
I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree.
...
What are the differences between Chosen and Select2?
... loaded as option tags in the DOM, which limits it to working with
small-ish datasets. Select2 uses a function to find results
on-the-fly, which allows it to partially load results.
Paging of results: Since Select2 works with large datasets and only loads a small amount of matching results at ...
Get visible items in RecyclerView
I need to know which elements are currently displayed in my RecyclerView. There is no equivalent to the OnScrollListener.onScroll(...) method on ListViews. I tried to work with View.getGlobalVisibleRect(...) , but that hack is too ugly and does not always work too.
...
Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...t> new_;
new_.swap(original);
}
That would work, but an easier way is
vector<int> new_(original);
share
|
improve this answer
|
follow
|
...
Recursion or Iteration?
Is there a performance hit if we use a loop instead of recursion or vice versa in algorithms where both can serve the same purpose? Eg: Check if the given string is a palindrome.
I have seen many programmers using recursion as a means to show off when a simple iteration algorithm can fit the bill.
D...
Is 1.0 a valid output from std::generate_canonical?
... documention on cppreference.com of std::generate_canonical confirms this.
3 Answers
...
How do the post increment (i++) and pre increment (++i) operators work in Java?
Can you explain to me the output of this Java code?
14 Answers
14
...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
Assuming that arraylist is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ?
...