大约有 40,000 项符合查询结果(耗时:0.0347秒) [XML]
iOS difference between isKindOfClass and isMemberOfClass
...
add a comment
|
82
...
Reference list item by index within Django template?
... Link not working anymore, try this one : docs.djangoproject.com/en/1.10/ref/templates/api/…
– Speccy
Mar 19 '17 at 15:00
add a comment
|
...
What is the maximum float in Python?
...
@ladyfafa: sys.maxint is gone in Python 3, see also comments in the other answer and stackoverflow.com/questions/13795758/…
– Joachim Wagner
Apr 15 '17 at 10:09
...
How do I automatically sort a has_many relationship in Rails?
...on on has_many itself:
class Article < ActiveRecord::Base
has_many :comments, :order => 'created_at DESC'
end
class Comment < ActiveRecord::Base
belongs_to :article
end
Or, if you want a simple, non-database method of sorting, use sort_by:
article.comments.sort_by &:created_...
What is the ellipsis (…) for in this method signature?
...tJids(jid1, jid2, jid78_a, someOtherJid);
See more here:
http://java.sun.com/j2se/1.5.0/docs/guide/language/varargs.html
share
|
improve this answer
|
follow
...
linux tee is not working with python?
I made a python script which communicates with a web server using an infinite loop.
I want to log every communication data to a file and also monitor them from terminal at same time. so I used tee command like this.
...
Cannot change column used in a foreign key constraint
...S person (person_id);
UNLOCK TABLES;
EDIT:
Added locks above, thanks to comments
You have to disallow writing to the database while you do this,
otherwise you risk data integrity problems.
I've added a write lock above
All writing queries in any other session than your own ( INSERT, UPDA...
Git rebase fails, 'Your local changes to the following files would be overwritten by merge'. No loca
...s file times, linux file times and mac file times. who knows, feel free to comment if you do.
Update: This blog post explains what's going on, sort of.
share
|
improve this answer
|
...
regex for zip-code
...
@ProVega: Reading the comments on the (now deleted) answer you linked to, that appears to be incorrect. For example, 00544 is a valid zip code; 544 is not.
– Keith Thompson
Dec 5 '14 at 20:59
...
