大约有 44,000 项符合查询结果(耗时:0.0543秒) [XML]
Rails - Nested includes on Active Records?
...
412
I believe the following should work for you.
Event.includes(users: :profile)
If you want to ...
“x not in y” or “not x in y”
...
112
They always give the same result.
In fact, not 'ham' in 'spam and eggs' appears to be special...
Pass variables to Ruby script via command line
...his:
ARGV.each do|a|
puts "Argument: #{a}"
end
then
$ ./test.rb "test1 test2"
or
v1 = ARGV[0]
v2 = ARGV[1]
puts v1 #prints test1
puts v2 #prints test2
share
|
improve this answ...
Namespace for [DataContract]
...
|
edited Apr 30 '18 at 14:03
Daniel
12777 bronze badges
answered Sep 13 '11 at 12:25
...
“You are on a branch yet to be born” when adding git submodule
...
212
To fix that error, you should delete the folder with the same path to the submodule inside .git...
Blank HTML SELECT without blank item in dropdown list
...
183
Just use disabled and/or hidden attributes:
<option selected disabled hidden style='displa...
How can I extract a predetermined range of lines from a text file on Unix?
...
sed -n '16224,16482p;16483q' filename > newfile
From the sed manual:
p -
Print out the pattern space (to the standard output). This command is usually only used in conjunction with the -n command-line option.
n -...
How do I center align horizontal menu?
...
16 Answers
16
Active
...
Regex to remove all (non numeric OR period)
...
169
This should do it:
string s = "joe ($3,004.50)";
s = Regex.Replace(s, "[^0-9.]", "");
...
