大约有 44,000 项符合查询结果(耗时:0.1367秒) [XML]
How to correctly use the extern keyword in C
... |
edited Nov 25 '16 at 11:00
Iharob Al Asimi
50.4k55 gold badges4848 silver badges8686 bronze badges
...
Changing column names of a data frame
...d=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also subset:
R> colnames(X)[2] <- "superduper"
...
How to construct a relative path in Java from two absolute paths (or URLs)?
...8
ryenus
11.3k44 gold badges4747 silver badges5454 bronze badges
answered Oct 15 '08 at 17:32
Adam CrumeAdam C...
How do I format a long integer as a string without separator in Java?
...tring()
– Peter Lawrey
Jan 4 '10 at 11:00
7
Maybe this is trifling but in this case you're relyin...
How can I iterate over an enum?
...
andreas buykxandreas buykx
11.4k99 gold badges5454 silver badges7575 bronze badges
...
How do I check if a type provides a parameterless constructor?
...
answered Jan 13 '11 at 14:26
Alex JAlex J
8,92533 gold badges3131 silver badges4646 bronze badges
...
how to draw directed graphs using networkx in python?
...
MariusMarius
46.5k1111 gold badges8787 silver badges8989 bronze badges
...
What is move semantics?
...+98 standard library template, which was replaced by std::unique_ptr in C++11. Intermediate C++ programmers are probably at least somewhat familiar with std::auto_ptr, and because of the "move semantics" it displays, it seems like a good starting point for discussing move semantics in C++11. YMMV.
...
How can I get the list of files in a directory using C or C++?
...think.
– Peter Parker
Sep 25 '14 at 11:41
48
...
How to calculate a Mod b in Casio fx-991ES calculator
...-1/2 mod 23? William Stalling (Network Security and Cryptography) says its 11 but I don't understand how.
– Sohaib
Mar 31 '14 at 18:04
...