大约有 2,000 项符合查询结果（耗时：0.0299秒） [XML]
Map enum in JPA with fixed values?
...
@jaime Agreed! Is it crazy to think that developers might want to persist an enum as the value of one of its fields/properties instead of its int value or name? Both of those are extremely "fragile" and refactoring-unfriendly. And u...
What is the relative performance difference of if/else versus switch statement in Java?
...ts, is this an issue
Java Front Controller
If you're worrying about Java EE webapplication performance in general, then you may find this article useful as well. There are other areas which gives a much more performance gain than only (micro)optimizing the raw Java code.
...
What is the difference between JVM, JDK, JRE & OpenJDK?
What is the difference between JVM , JDK , JRE & OpenJDK ?
19 Answers
19
...
How to declare a friend assembly?
...
You need to sign both assemblies, because effectively both assemblies reference each other.
You have to put the public key in the InternalsVisibleTo attribute. For example, in Protocol Buffers I use:
[assembly:InternalsVisibleTo...
Is it possible to group projects in Eclipse?
...egorize. Package Explorer does have this, but its missing other features (see stackoverflow.com/questions/1265070/…). The issue to track/vote having it added to Project Explorer is bugs.eclipse.org/bugs/show_bug.cgi?id=266030.
– studgeek
Sep 18 '12 at 0:07
...
Why is Magento so slow? [closed]
...
I've only been tangentially involved in optimizing Magento for performance, but here's a few reasons why the system is so slow
Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single ...
List files in local git repo?
I'm using Sparkleshare, which uses Git to sync files between my laptop and my backup server.
3 Answers
...
No appenders could be found for logger(log4j)?
...
It looks like you need to add the location of your log4j.properties file to the Classpath in Eclipse.
Make sure your project is open in Eclipse, then click on the "Run" menu at the top of Eclipse and click on the following:
Run
Run Configura...
What is the difference between Hibernate and Spring Data JPA
What are the main differences between Hibernate and Spring Data JPA? When should we not use Hibernate or Spring Data JPA? Also, when may Spring JDBC template perform better than Hibernate / Spring Data JPA?
...
程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...认证机构来发一个证书，不然普通的用户根本不知道怎么安装证书，如果不使用https，那么安全性如何得到保证呢？
最后
回到开头的例子，明明和丽丽可以找一个权威机构来发一个证书，而且自己都内置了这个权威机构的证书...