大约有 30,000 项符合查询结果(耗时:0.0531秒) [XML]
What is the best method of handling currency/money?
...may also want to include a validation in your items like
def validate
errors.add(:price, "should be at least 0.01") if price.nil? || price < 0.01
end
to sanity-check your values.
share
|
...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...
sorry dude, #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '( ) OVER ( PARTITION BY krd ORDER BY daytime DESC ) N FROM @rapsa ) M WHERE N = ' at line 1
...
How do I drop a function if it already exists?
...issue the DROP FUNCTION <name> statement and not worry about any SQL error that might come back. I consider that standard procedure in the DBA realm.
share
|
improve this answer
|
...
github: No supported authentication methods available
...
If you're using Pageant and are getting the error described in the question after rebooting your PC (or otherwise closing and reopening Pageant):
The error can be caused by Pageant not having your GitHub SSH key actively loaded. By default, Pageant does NOT automatic...
How to do a https request with bad certificate?
...ppen to know a site where I can test this? golang org now doesn't throw an error anymore.
– topskip
Nov 8 '17 at 7:57
3
...
Selecting only numeric columns from a data frame
...
When there is no numeric column, the following error arise undefined columns selected. How do you avoid it ?
– Yohan Obadia
Aug 13 '16 at 14:15
...
Export a graph to .eps file with R
...
Thanks. I am tryin' to use it, but there is an error : graph margins too large...
– the_drug
Mar 1 '11 at 9:42
6
...
Auto Generate Database Diagram MySQL [closed]
...
It strikes me with amount of errors I am getting and installations I need to do to make it work on Linux.
– Damir Olejar
Dec 7 '16 at 17:45
...
How to redirect to Index from another controller?
... how to redirect to a view without a controller? such as Shared/Error
– Dylan Czenski
May 20 '16 at 15:36
add a comment
|
...
What's the difference between faking, mocking, and stubbing?
...urns a canned response, or that responds to an API request with a specific error. This way you could write tests that make assertions about how the system reacts to these states; for example, testing the response your users get if the API returns a 404 error.
A stub is usually implemented to only r...