大约有 6,100 项符合查询结果（耗时：0.0236秒） [XML]
How to select where ID in Array Rails ActiveRecord without exception
...
If you need more control (perhaps you need to state the table name) you can also do the following:
Model.joins(:another_model_table_name)
.where('another_model_table_name.id IN (?)', your_id_array)
sh...
How to make a select with array contains value clause in psql
...
Try
SELECT * FROM table WHERE arr @> ARRAY['s']::varchar[]
share
|
improve this answer
|
follow
|
...
Defining a HTML template to append using JQuery
...en-template').html();
$('button.addRow').click(function() {
$('#targetTable').append(template);
});
share
|
improve this answer
|
follow
|
...
Foreign keys in mongo?
...tions/referenced/1-n.html
In a NoSQL database like MongoDB there are not 'tables' but collections. Documents are grouped inside Collections. You can have any kind of document – with any kind of data – in a single collection. Basically, in a NoSQL database it is up to you to decide how to organi...
Thread context switch Vs. process context switch
...?t=46m8s (watch from the beginning to know more about Virtual Memory, page tables and TLB).
– piotrwest
Jun 24 '16 at 23:05
...
How to override !important?
...ate. However, on my calendar page, the original CSS has the height of each table cell set with the !important declaration:
...
MySQL integer field is returned as string in PHP
I have a table field in a MySQL database:
14 Answers
14
...
Can you give a Django app a verbose name for use throughout the admin?
...effects what's shown to the user. It's the literal string used to name the table in the database, which requires a schema migration if you're changing an existing model.
– Cerin
Apr 11 '12 at 16:14
...
SHA512 vs. Blowfish and Bcrypt [closed]
...nd others. It's good, but flaws have been recognized that, while not exploitable now, have led to the the SHA-3 competition for new hash algorithms. Also, keep in mind that the study of hash algorithms is "newer" than that of ciphers, and cryptographers are still learning about them.
Even though bc...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
... is to terminate the process in the same way as SIGTERM etc. .
There is a table in the POSIX definitions for signal.h which lists the various signals and their default actions and purposes, and the General Terminal Interface chapter includes a lot more detail on the terminal-related signals.
...