大约有 49,000 项符合查询结果(耗时:0.1919秒) [XML]
Combine two ActiveRecord::Relation objects
...ed).where(id: [6, 7])
current_user.posts.union("published_at < ?", Time.now)
user_1.posts.union(user_2.posts).union(Post.published)
user_1.posts.union_all(user_2.posts)
share
|
improve this answ...
Determine whether an array contains a value [duplicate]
...he answer. But good stuff - I've used indexOf() for strings, but I didn't know you could use it for arrays in general.
– doubleDown
Feb 4 '16 at 12:02
...
Can I disable a CSS :hover effect via JavaScript?
...s */
}
.myclass_hover:hover {
/* example color */
color:#00A;
}
Now you can use Jquery to remove the class, for instance if the element has been clicked:
JQUERY
$('.myclass').click( function(e) {
e.preventDefault();
$(this).removeClass('myclass_hover');
});
Hope this answer...
Auto increment in phpmyadmin
...as removed from the Operations tab, it appears this is how to implement it now. Thanks, @AmitKB.
– Mike S.
Oct 1 '13 at 19:03
2
...
Rails 4 image-path, image-url and asset-url no longer work in SCSS files
...
Now this is how you write an answer. Each scenario. Predicting the "what ifs", no loose ends. A mark of someone who has "seen combat" (really worked through the problem).
– ahnbizcad
Nov...
fatal error: Python.h: No such file or directory
...
just worked for me now with libpython3.8-dev. Thanks!
– yair
Aug 25 at 13:28
add a comment
|
...
What is the iPad user agent?
...
This answer is incorrect. From iOS 13 there is now no mention of iPad at all.
– CpnCrunch
Dec 16 '19 at 18:51
...
How can I search (case-insensitive) in a column using LIKE wildcard?
...
In MySQL 5.6 I get ERROR 1273 (HY000): Unknown collation: 'utf_general_ci'. I'd guess this collation has been removed from MySQL? utf8_general_ci works fine, though.
– Mark Amery
Apr 22 '14 at 13:48
...
check if jquery has been loaded, then load it if false
Does anyone know how to check if jquery has been loaded (with javascript) then load it if it hasnt been loaded.
10 Answers
...
Is there any connection string parser in C#?
...It would be trivial to extend this to give info on other parameters (right now its only for simple things like db name, data source, username and password). Like this or so:
static readonly string[] serverAliases = { "server", "host", "data source", "datasource", "address",
...
