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How to generate UML diagrams (especially sequence diagrams) from Java code?
...e and libraries are the model that is displayed, they are not reverse engineered into a different format.
If you update your code in Eclipse, your diagram is updated as well; there is no need to reverse engineer source code.
Refactoring updates your diagram as well as your source code. When you ...
Is there a standard for storing normalized phone numbers in a database?
...ch country there are differing standards. You can always depend on a (AAA) EEE-LLLL in the US, but in another country you may have exchanges in the cities (AAA) EE-LLL, and simply line numbers in the rural areas (AAA) LLLL. You will have to start at the top in a tree of some form, and format them as...
Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
...son it will disable updating of Person.name when updating address (I disagree as this is the purpose of cascade). Also u are saying that @Column definition does something different when its foreign key (Person) and when it is not foreign key (as there is no referenced entity to disable updating). By...
Example invalid utf8 string?
I'm testing how some of my code handles bad data, and I need a few series of bytes that are invalid UTF-8.
5 Answers
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Programmatically Determine a Duration of a Locked Workstation?
...u can hookup a SessionSwitchEventHandler. Obviously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win3...
How to create and handle composite primary key in JPA
...n have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@EmbeddedId
private MyKey myKey;
@Column(name = "ColumnA")
private String columnA;
/** Your getters and setters **/
}
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How do I put a border around an Android textview?
...so use padding to separate the text from the border.
for more information see: http://developer.android.com/guide/topics/resources/drawable-resource.html
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When and how should I use a ThreadLocal variable?
... DateFormats local because they are expensive to create, but I have never seen solid metrics on this topic.
– Julien Chastang
May 4 '09 at 3:39
19
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How to initialize log4j properly?
...r
log4j.appender.R.File=example.log
log4j.appender.R.MaxFileSize=100KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex=1
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n
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Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...代初，GNU 项目已经开发出许多高质量的免费软件，其中包括有名的emacs 编辑系统、bash shell 程序、gcc 系列编译程序、gdb 调试程序等等。这些软件为Linux 操作系统的开发创造了一个合适的环境，是Linux 能够诞生的基础之一。以至...