大约有 38,000 项符合查询结果（耗时：0.0651秒） [XML]
Is there a way to quickly capitalize the variable name in Eclipse
... community wiki
5 revs, 2 users 95%martin jakubik
...
Equivalent of Math.Min & Math.Max for Dates?
...
9 Answers
9
Active
...
JNI converting jstring to char *
...
229
Here's a a couple of useful link that I found when I started with JNI
http://en.wikipedia.org/w...
How can I get pg_dump to authenticate properly
...
198
The Quick Solution
The problem is that it's trying to perform local peer authentication based ...
What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...
92
Protocol Observing inherits from protocol Hashable, which in turn inherits from protocol Equata...
Getting the current page
... jhabbott
16.2k88 gold badges5555 silver badges8989 bronze badges
answered Nov 9 '10 at 11:19
AlexVogelAlexVogel
10.1k1010 gol...
How to list the files inside a JAR file?
...
93
CodeSource src = MyClass.class.getProtectionDomain().getCodeSource();
if (src != null) {
URL ...
Sqlite LIMIT / OFFSET query
...ou.
– Guido Mocha
Feb 16 '16 at 17:49
...
How to reorder data.table columns (without copying)
... a b c
# [1,] 1 3 0.2880365
# [2,] 2 2 0.7785115
# [3,] 3 1 0.3297416
setcolorder(x, c("c", "b", "a"))
x
# c b a
# [1,] 0.2880365 3 1
# [2,] 0.7785115 2 2
# [3,] 0.3297416 1 3
From ?setcolorder:
In data.table parlance, all set* functions change their input by reference....
How do I interpret precision and scale of a number in a database?
...the maximum number of digits that are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
...