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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...
What is a unix command for deleting the first N characters of a line?
...
iammichaeliammichael
7,82733 gold badges2929 silver badges4141 bronze badges
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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
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How to get current path with query string using Capybara
...
213
I've updated this answer to reflect modern conventions in capybara. I think this is ideal sinc...
How do I purge a linux mail box with huge number of emails? [closed]
...
EdoDodoEdoDodo
7,76233 gold badges2020 silver badges3030 bronze badges
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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...
What's the status of multicore programming in Haskell?
...
In the 2009-2012 period, the following things have happened:
2012:
From 2012, the parallel Haskell status updates began appearing in the Parallel Haskell Digest.
2011:
Parallel and Concurrent Programming in Haskell, a tutoria...
Mongoose query where value is not null
...
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edited Jul 23 '15 at 15:27
answered May 13 '13 at 22:11
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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着学（上海）教育科技有限公司 版权所有，未经书面许可，不得转载或使用 隐私策略和使用...