大约有 39,000 项符合查询结果（耗时：0.0572秒） [XML]
How to configure an existing git repo to be shared by a UNIX group
...
5 Answers
5
Active
...
What is the Oracle equivalent of SQL Server's IsNull() function?
...|
edited Jan 19 '11 at 10:53
answered Aug 19 '10 at 15:00
B...
jquery-ui sortable | How to get it work on iPad/touchdevices?
...
|
edited Mar 15 '19 at 14:49
benjaminhull
18699 bronze badges
answered Jan 10 '11 at 15:56
...
How to implement a property in an interface
...
Stefan SteineggerStefan Steinegger
59.6k1414 gold badges120120 silver badges188188 bronze badges
...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
...h_no_name
399k6969 gold badges612612 silver badges695695 bronze badges
answered Jul 28 '09 at 14:30
hhaamuhhaamu
5,31122 gold badg...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
...
JWWalkerJWWalker
20.8k55 gold badges5252 silver badges7070 bronze badges
...
How to select the row with the maximum value in each group
...
95
Here's a data.table solution:
require(data.table) ## 1.9.2
group <- as.data.table(group)
I...
Find the extension of a filename in Ruby
...cepted_formats.include? File.extname("example.pdf")
=> true
irb(main):005:0> accepted_formats.include? File.extname("example.txt")
=> true
irb(main):006:0> accepted_formats.include? File.extname("example.png")
=> false
...
Unresolved external symbol on static class members
...
5 Answers
5
Active
...
Intersection of two lists in Bash
...
answered Apr 23 '10 at 3:58
ghostdog74ghostdog74
269k4848 gold badges233233 silver badges323323 bronze badges
...