大约有 40,000 项符合查询结果（耗时：0.0448秒） [XML]
How to create and handle composite primary key in JPA
...
You can make an Embedded class, which contains your two keys, and then have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@Em...
kill -3 to get java thread dump
I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
...
Regular Expression to reformat a US phone number in Javascript
I'm looking to reformat (replace, not validate - there are many references for validating) a phone number for display in Javascript. Here's an example of some of the data:
...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I...
Installing Bootstrap 3 on Rails App
... answered Aug 22 '13 at 4:06
hawkhawk
5,26022 gold badges1919 silver badges2727 bronze badges
...
What is SuppressWarnings (“unchecked”) in Java?
Sometime when looking through code, I see many methods specify an annotation:
11 Answers
...
Android dismiss keyboard
How do I dismiss the keyboard when a button is pressed?
9 Answers
9
...
How do I make Vim do normal (Bash-like) tab completion for file names?
...ion, it completes the whole file name instead of doing the partial match like Bash does. Is there an option to make this file name tab completion work more like Bash?
...
Is < faster than
...ifference between the two is a jg versus a jge instruction. The two will take the same amount of time.
I'd like to address the comment that nothing indicates that the different jump instructions take the same amount of time. This one is a little tricky to answer, but here's what I can give: In t...
Why should I use tags vs. release/beta branches for versioning?
I've been using git for about a year and would like to use tagging to, well, tag commits at different versions. I've found lots of info on the commands to use to work with tags, but what I'd like to know is why use tagging at all if I can just create a new branch called 1.1.0 and not have to cloud...