大约有 45,000 项符合查询结果（耗时：0.0874秒） [XML]
What is the proper way to re-attach detached objects in Hibernate?
...ale detached entity in JPA.
merge() will push the stale state to the DB,
and overwrite any intervening updates.
refresh() cannot be called on a detached entity.
lock() cannot be called on a detached entity,
and even if it could, and it did reattach the entity,
calling 'lock' with argument 'LockM...
Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
I've been wrestling with this for a while and can't quite figure out what's happening. I have a Card entity which contains Sides (usually 2) - and both Cards and Sides have a Stage. I'm using EF Codefirst migrations and the migrations are failing with this error:
...
Make copy of an array
...Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
...
IntelliJ IDEA generating serialVersionUID
...
I have reinstalled IDEA and removed plug-ins and it helps me. Tnx a lot.
– Kirill Bazarov
Oct 16 '12 at 12:10
5
...
How do I monitor the computer's CPU, memory, and disk usage in Java?
... you use the SIGAR API. I use the SIGAR API in one of my own applications and it is great. You'll find it is stable, well supported, and full of useful examples. It is open-source with a GPL 2 Apache 2.0 license. Check it out. I have a feeling it will meet your needs.
Using Java and the Sigar ...
Is there a method for String conversion to Title Case?
...
Just a small update, WordUtils is gone to Commons Text and is deprecated inside Commons Lang
– msrd0
Oct 16 '17 at 21:45
...
CSS Box Shadow - Top and Bottom Only [duplicate]
...examples of how to do this, but how can I add a box shadow only to the top and bottom of an element?
5 Answers
...
How to list the tables in a SQLite database file that was opened with ATTACH?
What SQL can be used to list the tables, and the rows within those tables in an SQLite database file - once I have attached it with the ATTACH command on the SQLite 3 command line tool?
...
How to install gem from GitHub source?
...le:
gem 'redcarpet', :git => 'git://github.com/tanoku/redcarpet.git'
And in case there is .gemspec file, it should be able to fetch and install the gem when running bundle install.
UPD. As indicated in comments, for Bundler to function properly you also need to add the following to config.ru:...
Xcode Simulator: how to remove older unneeded devices?
...quit xcode so you are forced to install again.
– Alejandro Luengo
Jan 16 '13 at 9:17
That's right Alejandro, Apple see...