大约有 47,000 项符合查询结果（耗时：0.0773秒） [XML]
Convert numpy array to tuple
... |
edited Jul 18 '13 at 22:34
answered Apr 4 '12 at 17:35
...
Labels for radio buttons in rails form
...
answered Apr 14 '09 at 5:13
Matt HaleyMatt Haley
3,98433 gold badges2222 silver badges1616 bronze badges
...
Regex to replace everything except numbers and a decimal point
...
answered Dec 31 '10 at 20:34
ChanduChandu
72.1k1616 gold badges118118 silver badges122122 bronze badges
...
How to split a delimited string in Ruby and convert it to an array?
...
>> "1,2,3,4".split(",")
=> ["1", "2", "3", "4"]
Or for integers:
>> "1,2,3,4".split(",").map { |s| s.to_i }
=> [1, 2, 3, 4]
Or for later versions of ruby (>= 1.9 - as pointed out by Alex):
>> "1,2,3,4".spli...
What is the difference between '/' and '//' when used for division?
...
13 Answers
13
Active
...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
...
answered May 3 '13 at 15:45
numbers1311407numbers1311407
30.8k88 gold badges8080 silver badges8787 bronze badges
...
how to get the current working directory's absolute path from irb
... |
edited May 18 '13 at 6:34
answered Dec 21 '09 at 1:31
...
cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
...