大约有 42,000 项符合查询结果（耗时：0.0561秒） [XML]
how to ignore namespaces with XPath
...irk Vollmar
157k5151 gold badges240240 silver badges300300 bronze badges
9
...
What does “@@ -1 +1 @@” mean in Git's diff output?
...
3 Answers
3
Active
...
jQuery SVG, why can't I addClass?
...
Edit 2016: read the next two answers.
JQuery 3 fixes the underlying issue
Vanilla JS: element.classList.add('newclass') works in modern browsers
JQuery (less than 3) can't add a class to an SVG.
.attr() works with SVG, so if you want to depend on jQuery:
// Instea...
Postgres dump of only parts of tables for a dev snapshot
...
3 Answers
3
Active
...
What is the difference between pluck and collect in Rails?
...
231
pluck is on the db level. It will only query the particular field. See this.
When you do:
Us...
List of ANSI color escape sequences
On most terminals it is possible to colorize output using the \033 ANSI escape sequence.
5 Answers
...
Rotating x axis labels in R for barplot
...
answered Apr 23 '12 at 19:08
Tyler RinkerTyler Rinker
94.9k5555 gold badges282282 silver badges464464 bronze badges
...
PowerShell: Store Entire Text File Contents in Variable
...ldsmanojlds
248k5454 gold badges425425 silver badges395395 bronze badges
1
...
List comprehension in Ruby
...k.nil?
self.collect(&block).compact
end
end
some_array = [1, 2, 3, 4, 5, 6]
new_array = some_array.comprehend {|x| x * 3 if x % 2 == 0}
puts new_array
Prints:
6
12
18
I would probably just do it the way you did though.
...
How to get a substring of text?
I have text with length ~700. How do I get only ~30 of its first characters?
5 Answers
...