大约有 35,469 项符合查询结果（耗时：0.0566秒） [XML]
How to add 10 days to current time in Rails
...
Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
...
Friend declaration in C++ - difference between public and private
...
answered Jun 20 '11 at 6:48
sharptoothsharptooth
156k7979 gold badges461461 silver badges891891 bronze badges
...
Where is Vagrant saving changes to the VM?
...
answered Nov 30 '11 at 19:34
pyfuncpyfunc
58.3k1414 gold badges137137 silver badges132132 bronze badges
...
AngularJS: disabling all form controls between submit and server response
...xander PuchkovAlexander Puchkov
5,67344 gold badges3030 silver badges4646 bronze badges
...
Javascript - Track mouse position
...tially, when a page loads - this tracker should start and for (say) every 100 ms, I should get the new value of posX and posY and print it out in the form.
...
Is there any way to not return something using CoffeeScript?
...
150
You have to explicitly return nothing, or to leave an expression evaluating to undefined at the ...
Escaping regex string
... edited Apr 16 '14 at 17:33
200_success
6,40311 gold badge3434 silver badges6666 bronze badges
answered Nov 11 '08 at 9:37
...
How can I check if a method is static using reflection?
...
Eugene
92k1010 gold badges133133 silver badges228228 bronze badges
answered Nov 13 '08 at 17:43
Tom Hawtin - tac...
How to make a div grow in height while having floats inside
...: auto;
background: silver;
}
.float {
float: left;
width: 40%;
background: white;
margin: 0 1%;
}
<div class="wrap">
<div class="float">Cras mattis iudicium purus sit amet fermentum. At nos hinc posthac, sitientis piros Afros. Qui ipsorum lingua Celtae, nostra ...
Add a space (“ ”) after an element using :after
...ne boxes.
And from The 'white-space' processing model,
If a space (U+0020) at the end of a line has 'white-space' set to
'normal', 'nowrap', or 'pre-line', it is also removed.
Solution
So if you don't want the space to be removed, set white-space to pre or pre-wrap.
h2 {
text-deco...