大约有 44,000 项符合查询结果（耗时：0.0472秒） [XML]
How to install the current version of Go in Ubuntu Precise
Running sudo apt-get install golang-stable , I get Go version go1.0.3 . Is there any way to install go1.1.1 ?
16 Answers...
Boolean vs tinyint(1) for boolean values in MySQL
...atabase for boolean values? I use boolean but my colleague uses tinyint(1) .
6 Answers
...
How to randomly sort (scramble) an array in Ruby?
...
Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
share
|
improve this answer
|
...
What version of javac built my jar?
...
|
edited Apr 21 '12 at 12:37
Soundlink
3,68722 gold badges2525 silver badges3636 bronze badges
...
Accessing the index in 'for' loops?
...
|
edited Sep 17 '16 at 10:13
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
Bash tool to get nth line from a file
Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
...
Repeat each row of data.frame the number of times specified in a column
...
175
Here's one solution:
df.expanded <- df[rep(row.names(df), df$freq), 1:2]
Result:
va...
Forced naming of parameters in Python
...
11 Answers
11
Active
...
What's the difference between HEAD^ and HEAD~ in Git?
...
15 Answers
15
Active
...
rreplace - How to replace the last occurrence of an expression in a string?
...
197
>>> def rreplace(s, old, new, occurrence):
... li = s.rsplit(old, occurrence)
... r...