大约有 40,100 项符合查询结果（耗时：0.1367秒） [XML]
How to show all privileges from a user in oracle?
...
164
You can try these below views.
SELECT * FROM USER_SYS_PRIVS;
SELECT * FROM USER_TAB_PRIVS;
SEL...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...
4 Answers
4
Active
...
Remove empty elements from an array in Javascript
...
44 Answers
44
Active
...
Bomb dropping algorithm
... |
edited Mar 9 '13 at 8:46
community wiki
4 r...
Change date of git tag (or GitHub Release based on it)
...
answered Feb 12 '14 at 23:06
PhrogzPhrogz
261k9494 gold badges597597 silver badges679679 bronze badges
...
How to convert a number to string and vice versa in C++
...
4 Answers
4
Active
...
What does .SD stand for in data.table in R
...,3), v=1:6)
setkey(DT, y)
DT
# x y v
# 1: a 1 1
# 2: b 1 3
# 3: c 1 5
# 4: a 3 2
# 5: b 3 4
# 6: c 3 6
Doing this may help you see what .SD is:
DT[ , .SD[ , paste(x, v, sep="", collapse="_")], by=y]
# y V1
# 1: 1 a1_b3_c5
# 2: 3 a2_b4_c6
Basically, the by=y statement breaks the orig...
What is the difference between Amazon S3 and Amazon EC2 instance?
...
answered Jan 18 '13 at 4:28
David LevesqueDavid Levesque
20k88 gold badges6060 silver badges7575 bronze badges
...
Setting an object to null vs Dispose()
...
jmvtrinidad
2,34733 gold badges1717 silver badges4040 bronze badges
answered Feb 22 '09 at 9:47
Jon SkeetJon Skeet
...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...
4 Answers
4
Active
...