大约有 46,000 项符合查询结果（耗时：0.0765秒） [XML]
Filter rows which contain a certain string
...9 4 71.1 65 4.22 1.835 19.90 1 1 4 1 Toyota Corolla
4 21.5 4 120.1 97 3.70 2.465 20.01 1 0 3 1 Toyota Corona
If you would like to do it the other way round, namely excluding Toyota and Mazda cars, the filter command looks like this:
dplyr::filter(mtcars, !grepl('Toyota|Maz...
What's the idiomatic syntax for prepending to a short python list?
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answered Jun 5 '12 at 6:25
Nil GeisweillerNil Geisweiller
3,22511 gold badge1212 silver badges66 bronze badges
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How to get values from IGrouping
...nswered Aug 21 '13 at 14:09
user1275513user1275513
30922 silver badges77 bronze badges
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How does '20 seconds' work in Scala?
...66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723 14.0484 41.5985 12.6954...
Is it possible to use jQuery .on and hover?
...ind it necessary to add the hover() code at the time.
EDIT DECEMBER 11, 2012
Some new answers provided below detail how .on() should work if the div in question is populated using JavaScript. For example, let's say you populate a div using jQuery's .load() event, like so:
(function ($) {
//a...
Understanding :source option of has_one/has_many through of Rails
...'ve chosen to namespace the Dog::Breed, because we want to access Dog.find(123).breeds as a nice and convenient association.
Now, if we now want to create a has_many :dog_breeds, :through => :dogs association on Pet, we suddenly have a problem. Rails won't be able to find a :dog_breeds associati...
If table exists drop table then create it, if it does not exist just create it
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312
Just put DROP TABLE IF EXISTS `tablename`; before your CREATE TABLE statement.
That statement ...
What is an .axd file?
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answered Jul 19 '12 at 5:55
Jakub JanuszkiewiczJakub Januszkiewicz
4,16811 gold badge3434 silver badges5252 bronze badges
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How to add additional fields to form before submit?
...d probably be better.
– jcuenod
Jun 12 '15 at 10:37
4
@jcuenod original appendTo('#form') is much...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...n application.rb
– Giang Nguyen
Sep 12 '13 at 20:16
13
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