大约有 45,000 项符合查询结果（耗时：0.0665秒） [XML]
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...EMOVE)
private Address address;
:
}
Orphan Removal
JPA 2 supports an additional and more aggressive remove cascading mode
which can be specified using the orphanRemoval element of the
@OneToOne and @OneToMany annotations:
@Entity
class Employee {
:
@OneToOne(orphanR...
How do I execute inserts and updates in an Alembic upgrade script?
... application.
"""create teams table
Revision ID: 169ad57156f0
Revises: 29b4c2bfce6d
Create Date: 2014-06-25 09:00:06.784170
"""
revision = '169ad57156f0'
down_revision = '29b4c2bfce6d'
from alembic import op
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.ext.declarative imp...
Are HLists nothing more than a convoluted way of writing tuples?
..., flatten : Flatten[L]) : flatten.Out =
flatten(hl(t))
val t1 = (1, ((2, 3), 4))
val f1 = flatten(t1) // Inferred type is Int :: Int :: Int :: Int :: HNil
val l1 = f1.toList // Inferred type is List[Int]
val t2 = (23, ((true, 2.0, "foo"), "bar"), (13, false))
val f2 = flatten(t2)
val...
Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
...hout exploring Modern UI it was great help. I tried to make it look like VS2012 Window. It looks like this.
Here is code (please note that it's targeting .NET4.5)
public class MyWindow : Window
{
public MyWindow()
{
this.CommandBindings.Add(new CommandBinding(SystemCommands.Clos...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
... |
edited Mar 6 '19 at 12:28
Sergio B
5511 silver badge99 bronze badges
answered Nov 3 '10 at 2:59
...
POST data in JSON format
...
answered Oct 23 '12 at 19:55
J. K.J. K.
7,78511 gold badge3131 silver badges3333 bronze badges
...
Tar archiving that takes input from a list of files
...
267
Yes:
tar -cvf allfiles.tar -T mylist.txt
...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...
2 Answers
2
Active
...
How do I use ROW_NUMBER()?
... query,
SELECT ROW_NUMBER() OVER (Order by Id) AS RowNumber, Field1, Field2, Field3
FROM User
Then when you want to go 5 rows back then you can take the current row number and use the following query to determine the row with currentrow -5
SELECT us.Id
FROM (SELECT ROW_NUMBER() OVER (ORDER BY id...
Delete all rows in an HTML table
...
QuentinQuentin
755k9292 gold badges10161016 silver badges11551155 bronze badges
...