大约有 43,000 项符合查询结果（耗时：0.0414秒） [XML]
What is the difference between quiet NaN and signaling NaN?
I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
...
Resolve Type from Class Name in a Different Assembly
... answered Aug 18 '10 at 13:03
Sandor DrieënhuizenSandor Drieënhuizen
5,77044 gold badges3333 silver badges7777 bronze badges
...
Scala @ operator
... specifically, though I don't know where the "as usual" there came from -- and 8.12 only speak of regular expression pattern (_*). But maybe this has been clarified on a newer version of the spec.
– Daniel C. Sobral
Mar 2 '10 at 22:58
...
How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement.
11 ...
How to add a button dynamically in Android?
How to add a button dynamically in Android?
17 Answers
17
...
Test whether string is a valid integer
...l script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char.
...
Why should I use var instead of a type? [duplicate]
After I have installed ReSharper it demands(by warnings) that I use var whenever possible, for example
4 Answers
...
C++ Dynamic Shared Library on Linux
...ain(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy = (void (*)(MyClass*))dlsym(handle, "destroy_object");
My...
Code Golf: Collatz Conjecture
...
x86 assembly, 1337 characters
;
; To assemble and link this program, just run:
;
; >> $ nasm -f elf collatz.asm && gcc -o collatz collatz.o
;
; You can then enjoy its output by passing a number to it on the command line:
;
; >> $ ./collatz 123
; >&...
Static method in a generic class?
...fields. The class's type parameters are only in scope for instance methods and instance fields. For static fields and static methods, they are shared among all instances of the class, even instances of different type parameters, so obviously they cannot depend on a particular type parameter.
It doe...