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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.
...d with @Id. Each @Entity needs an @Id - this is the primary key in the database.
If you don't want your entity to be persisted in a separate table, but rather be a part of other entities, you can use @Embeddable instead of @Entity.
If you want simply a data transfer object to hold some data from ...
Mvn install or Mvn package
I am new to Maven, I have a Java based web project with maven configured in my MyEclipse.
Now if I modified any java files then do I need to do Run as -> Mvn install or Mvn package ?
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Catch browser's “zoom” event in JavaScript
...e same. Combine that with width being different and you should have a good base
– Biepbot Von Stirling
Dec 30 '17 at 12:35
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How to create a static library with g++?
... @linuxx: the exact flags you use with the ar utility are your decision based on your requirements. Looking up the man pages for ar would be a good idea.
– Sriram
May 10 '11 at 8:27
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django import error - No module named core.management
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As known this was a path issue.
the base of my custom packages shared a name with a directory set in a /etc/profile. The packages were in a different location however for the webserver. So I removed the offending entries from my $PYTHONPATH and was good to go!
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Create JSON object dynamically via JavaScript (Without concate strings)
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Matplotlib scatterplot; colour as a function of a third variable
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Sometimes you may need to plot color precisely based on the x-value case. For example, you may have a dataframe with 3 types of variables and some data points. And you want to do following,
Plot points corresponding to Physical variable 'A' in RED.
Plot points correspon...
How to get Enum Value from index in Java?
...e solution provided by Harry Joy.
That solution only works with with zero-based enumaration though. I also wouldn't consider it save as it doesn't deal with indexes that are out of range.
The solution I ended up using might not be as simple but it's completely save and won't hurt the performance o...
How to calculate a mod b in Python?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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PostgreSQL “DESCRIBE TABLE”
...e.g. numeric(6,2); whereas information_schema.columns will only report the base type of numeric.
– Eli Collins
Dec 6 '14 at 2:26
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