大约有 11,400 项符合查询结果（耗时：0.0291秒） [XML]
What's the difference between the atomic and nonatomic attributes?
...
The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang).
Assuming that you are @synthesizing the method implementa...
What differences, if any, between C++03 and C++11 can be detected at run-time?
It is possible to write a function, which, when compiled with a C compiler will return 0, and when compiled with a C++ compiler, will return 1 (the trivial sulution with
#ifdef __cplusplus is not interesting).
...
Ruby: kind_of? vs. instance_of? vs. is_a?
...e_of? is different from the other two in that it only returns true if the object is an instance of that exact class, not a subclass.
Example:
"hello".is_a? Object and "hello".kind_of? Object return true because "hello" is a String and String is a subclass of Object.
However "hello".instance_of? O...
Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
I have some problems with the Pandas apply function, when using multiple columns with the following dataframe
6 Answers
...
MySQL - ORDER BY values within IN()
I'm hoping to sort the items returned in the following query by the order they're entered into the IN() function .
6 Answe...
Getting the difference between two repositories
How can we get the difference between two git repositories?
11 Answers
11
...
Bash empty array expansion with `set -u`
I'm writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
...
Can I zip more than two lists together in Scala?
...
I don't believe it's possible to generate a list of tuples of arbitrary size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
...
What are the rules for calling the superclass constructor?
What are the C++ rules for calling the superclass constructor from a subclass one?
10 Answers
...
Remove last item from array
...
CroMagnon
1,21877 gold badges2020 silver badges3131 bronze badges
answered Oct 23 '13 at 14:25
AntonAnton
...