大约有 40,000 项符合查询结果(耗时:0.0640秒) [XML]
rails 3 validation on uniqueness on multiple attributes
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3276110%2frails-3-validation-on-uniqueness-on-multiple-attributes%23new-answer', 'question_page');
}
);
...
What is the purpose of std::make_pair vs the constructor of std::pair?
... |
edited Feb 14 '12 at 1:51
answered Feb 14 '12 at 1:39
To...
Days between two dates? [duplicate]
...
See new answer with adjusted code.
– Matt Alcock
Jun 20 '13 at 14:09
...
INSERT INTO vs SELECT INTO
...ed up to 200 bytes. If you do SELECT INTO from your small table to make a new one, the later INSERT will fail with a truncation error because your fields are too small.
share
|
improve this answer
...
How do I rename my Git 'master' branch to 'release'?
We would like to enforce a new policy for our projects that the master branch now be called the release branch to ensure it is more clear as to how the branch should be used. Naturally, we will have develop and release candidate branches as well.
...
How do I inject a controller into another controller in AngularJS
I'm new to Angular and trying to figure out how to do things...
7 Answers
7
...
Best way to create unique token in Rails?
...
And I'm not sure I follow this: if self.new_record? and self.access_token.nil? ... is that what's checking to make sure the token isn't already stored?
– Slick23
May 16 '11 at 18:39
...
XAMPP - MySQL shutdown unexpectedly
...me the folder mysql/data to mysql/data_old (you can use any name)
Create a new folder mysql/data
Copy the content that resides in mysql/backup to the new mysql/data folder
Copy all your database folders that are in mysql/data_old to mysql/data
Finally copy the ibdata1 file from mysql/data_old and re...
When is finally run if you throw an exception from the catch block?
... Thank you for editing your (accepted) answer to include the new information.
– Gordon Bean
Aug 26 '16 at 19:46
3
...
Can lambda functions be templated?
... I already know about it but the question is exactly about the new standard anyway ;)
– Klaim
Sep 5 '10 at 9:29
...