大约有 47,000 项符合查询结果（耗时：0.0557秒） [XML]
Random record in ActiveRecord
...d multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in PostgreSQL and RAND() in MySQL ... not as portable as yo...
How to reset a form using jQuery with .reset() method
...
dear down voters, could you please tell me the reason behind your down-votes, so that I can improve my answer.
– SagarPPanchal
Feb 5 '19 at 9:51
...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
...is. Lots of ideas out there, though.
Best one I've found:
SELECT table_name, LEFT(column_names , LEN(column_names )-1) AS column_names
FROM information_schema.columns AS extern
CROSS APPLY
(
SELECT column_name + ','
FROM information_schema.columns AS intern
WHERE extern.table_name = in...
Find out who is locking a file on a network share
...
Just in case someone looking for a solution to this for a Windows based system or NAS:
There is a built-in function in Windows that shows you what files on the local computer are open/locked by remote computer (which has the file open thr...
How to filter multiple values (OR operation) in angularJS
...= [
{title:'Man on the Moon', genre:'action'},
{title:'Meet the Robinsons', genre:'family'},
{title:'Sphere', genre:'action'}
];" />
<input type="checkbox" ng-model="genrefilters.action" />Action
<br />
<input type="checkbox" ng-model="genrefilt...
Installing in Homebrew errors
...fter using the ruby one-liner at the top of the official docs to install Homebrew. Worked like a charm for me. It ought to be the only time you'll ever need to sudo with Homebrew.
I'm not sure if the ruby one-liner does this. If it did, then something else on my system took control of /usr/local si...
How to use Jackson to deserialise an array of objects
The Jackson data binding documentation indicates that Jackson supports deserialising "Arrays of all supported types" but I can't figure out the exact syntax for this.
...
Default value in Doctrine
...ty
*/
class myEntity {
/**
* @var string
*
* @Column(name="myColumn", type="string", length="50")
*/
private $myColumn = 'myDefaultValue';
...
}
PHP-level default values are preferred as these are also properly available on newly created and persisted objects (Doct...
MVC 5 Access Claims Identity User Data
I am developing an MVC 5 web application using Entity Framework 5 Database First approach. I am using OWIN for the authentication of Users. Below shows my Login method within my Account Controller.
...
Best practices to handle routes for STI subclasses in rails
...and controllers are littered with redirect_to , link_to , and form_for method calls. Sometimes link_to and redirect_to are explicit in the paths they're linking (e.g. link_to 'New Person', new_person_path ), but many times the paths are implicit (e.g. link_to 'Show', person ).
...