大约有 3,000 项符合查询结果（耗时：0.0147秒） [XML]
What is the naming convention in Python for variable and function names?
... One case for the underscored style is that you can use one-letter-words better. For (a rather silly) example, findMeAClass is perhaps uglier than find_me_a_class.
– heltonbiker
Jun 28 '14 at 21:16
...
how to permit an array with strong parameters
...y
params.require(:question).permit(:question_details, :question_content, :user_id, :accepted_answer_id, :province_id, :city, :category_ids => [])
Works perfectly now!
(IMPORTANT: As @Lenart notes in the comments, the array declarations must be at the end of the attributes list, otherwise you'...
How can I send an HTTP POST request to a server from Excel using VBA?
...addition to the anwser of Bill the Lizard:
Most of the backends parse the raw post data. In PHP for example, you will have an array $_POST in which individual variables within the post data will be stored. In this case you have to use an additional header "Content-type: application/x-www-form-urlen...
delete_all vs destroy_all?
...l
You can do :
u = User.find_by_name('JohnBoy')
UsageIndex.destroy_all "user_id = #{u.id}"
The result is one query to destroy all the associated records
share
|
improve this answer
|
...
How can I strip all punctuation from a string in JavaScript using regex?
...ent characters to single spaces.
Detailed explanation:
\w is any digit, letter, or underscore.
\s is any whitespace.
[^\w\s] is anything that's not a digit, letter, whitespace, or underscore.
[^\w\s]|_ is the same as #3 except with the underscores added back in.
...
Using Razor within JavaScript
...reating a helper code, one exists already. We use this all the time @Html.Raw(Json.Encode(Model))
– PJH
Jan 29 '14 at 14:47
2
...
What is the difference between new/delete and malloc/free?
...object, delete call the dtor.
malloc & free just allocate and release raw memory.
share
|
improve this answer
|
follow
|
...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...dresses {
@ManyToOne(cascade = CascadeType.REFRESH) @JoinColumn(name = "user_id")
protected User addressOwner;
}
This way you dont need to worry about using fetch in annotations. But remember when deleting the User you will also delete connected address to user object.
...
How to get key names from JSON using jq
...
In combination with the above answer, you want to ask jq for raw output, so your last filter should be eg.:
cat input.json | jq -r 'keys'
From jq help:
-r output raw strings, not JSON texts;
...
Where are Docker images stored on the host machine?
... only this file:
~/Library/Containers/com.docker.docker/Data/vms/0/Docker.raw
that contains the Docker Disk and all the images and containers within it.
share
|
improve this answer
|
...