大约有 41,200 项符合查询结果（耗时：0.0327秒） [XML]
How to get one value at a time from a generator function in Python?
...
answered Mar 10 '10 at 19:13
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
668k127127 gold badges11911191 silver badges12501250 bronze badges
...
how to solve “ruby installation is missing psych” error?
I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
...
Regex to remove all (non numeric OR period)
I need for text like "joe ($3,004.50)" to be filtered down to 3004.50 but am terrible at regex and can't find a suitable solution. So only numbers and periods should stay - everything else filtered. I use C# and VS.net 2008 framework 3.5
...
What is the significance of initializing direction arrays below with given values when developing ch
...
3 Answers
3
Active
...
Comparing two dictionaries and checking how many (key, value) pairs are equal
... |
edited Jun 14 '18 at 13:15
Olivier Melançon
17.9k33 gold badges3232 silver badges5555 bronze badges
...
Rails 3 datatypes?
Where can I find a list of data types that can be used in rails 3? (such as text, string, integer, float, date, etc.?) I keep randomly learning about new ones, but I'd love to have a list I could easily refer to.
...
What is the difference between Ruby 1.8 and Ruby 1.9
...
Array.to_s Now Contains Punctuation
Ruby 1.9
irb(main):001:0> [1,2,3].to_s
=> "[1, 2, 3]"
Ruby 1.8.6
irb(main):001:0> [1,2,3].to_s
=> "123"
Action: Use .join instead
Colon No Longer Valid In When Statements
Ruby 1.9
irb(main):001:0> case 'a'; when /\w/: puts 'word'; end...
Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 ...
good example of Javadoc [closed]
...
How about the JDK source code, but accessed through a 3rd party like docjar? For example, the Collections source.
That way, there's no big download.
share
|
improve this answer...