大约有 40,000 项符合查询结果（耗时：0.0716秒） [XML]
Explanation of strong and weak storage in iOS5
... storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight.
...
Safely override C++ virtual functions
...ake the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures that I didn't accidentally declare a new function, instead of overriding the old one.
...
Why does Boolean.ToString output “True” and not “true”
...rything public in .NET is CamelCase - System.Boolean, True, System.String, etc - it's C#'s C heritage that lead to the aliasing of String to string, Boolean to bool, True to true, etc. (Although my personal preference is still C#).
– stusmith
Jan 29 '09 at 13:1...
Difference between -pthread and -lpthread while compiling
...that get defined when the -pthread option gets used on the GCC package installed on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc -E -dM test.c > dm.nopthread.txt
$ diff dm.pthread.txt dm.nopthread.txt
152d151
< #define _REENTRANT 1
208d206
< #define _...
How to copy Java Collections list
...ist.set(int,E) thus element 0 will over write element 0 in the target list etc etc. Not particularly clear from the javadocs I'd have to admit.
List<String> a = new ArrayList<>(a);
a.add("foo");
b.add("bar");
List<String> b = new ArrayList<>(a); // shallow copy 'a'
// the ...
XAMPP, Apache - Error: Apache shutdown unexpectedly
I've just re-installed XAMPP, and when I try to start my Apache server in the XAMPP Control Panel, I now get the following errors:
...
Writing handler for UIAlertAction
...ActionStyle.Destructive,handler: { action in
print("pressed")
}))
All the answers above are correct i am just showing another way that can be done.
share
|
improve this answer
|
...
Is there a ceiling equivalent of // operator in Python?
...t shy of an order of magnitude faster than forcing the float division and calling ceil(), provided you care about the speed. Which you shouldn't, unless you've proven through usage that you need to.
>>> timeit.timeit("((5 - 1) // 4) + 1", number = 100000000)
1.7249219375662506
>>>...
JAX-RS / Jersey how to customize error handling?
...status(Response.Status.NOT_FOUND).
entity(new ErrorResponse(exception.getClass().toString(),
exception.getMessage()) ).
build();
}
}
Create above class. This will handle 404 (NotFoundException) and here in toResponse method you can give your custom response. Similarly there...
Studies on optimal code width?
...ilar can be aligned and not broken.
I always use enough spaces/parenthesis etc
I prefer longer variables names above shorter names
Until a few years ago I limited to 100 but now widescreens are normally used and high resolution monitors 120 can be even seen on laptops (which I barely use).
Compa...