大约有 10,700 项符合查询结果（耗时：0.0406秒） [XML]
Post an empty body to REST API via HttpClient
The API I'm trying to call requires that I do a POST but with an empty body. I'm new to using the WCF Web API HttpClient and I can't seem to find out the write code that would do a post with an empty body. I find references to some HttpContent.CreateEmpty() method, but I don't think that is for th...
Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
...
Error while pull from git - insufficient permission for adding an object to repository database .git
...of where in your repo you currently are. If you're already in the root you can just run sudo chown -R $USER:$USER .git
– dwurf
May 29 '14 at 2:31
7
...
Regex: Specify “space or start of string” and “space or end of string”
...
You can use any of the following:
\b #A word break and will work for both spaces and end of lines.
(^|\s) #the | means or. () is a capturing group.
/\b(stackoverflow)\b/
Also, if you don't want to include the space in...
How do you delete an ActiveRecord object?
...r.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition: 'value') will allow you to delete records
without a primary...
Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...g my feet with Hibernate Annotations and I've hit a problem I hope someone can help with.
7 Answers
...
What is the difference between “Include Directories” and “Additional Include Directories”
...or "Include Directories". But under "C/C++" option, there is another entry called "Additional Include Directories". Same thing happens with library directories.
...
When increasing the size of VARCHAR column on a large table could there be any problems?
... @CodeNaked: this is a lot trickier to answer. (max) is a LOB type which can be "in row" or outside the row. However, I'm inclined to say it should be the same because the data is already "in row" and no table rebuild would be needed
– gbn
Oct 23 '14 at 7:52
...
How can I list (ls) the 5 last modified files in a directory?
I know ls -t will list all files by modified time. But how can I limit these results to only the last n files?
5 Answe...
Multiple select statements in Single query
...T(*)
FROM user_table
) AS tot_user,
(
SELECT COUNT(*)
FROM cat_table
) AS tot_cat,
(
SELECT COUNT(*)
FROM course_table
) AS tot_course
share
|
improve this answer
...