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How to map calculated properties with JPA and Hibernate
...doesn't offer any support for derived property so you'll have to use a provider specific extension. As you mentioned, @Formula is perfect for this when using Hibernate. You can use an SQL fragment:
@Formula("PRICE*1.155")
private float finalPrice;
Or even complex queries on other tables:
@Formul...
How can I stop a running MySQL query?
...but mysql is printing... I can't see the prompt
– David B
Sep 24 '10 at 13:42
37
I agree with thi...
Get value of c# dynamic property via string
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this is what works with Expando Object: (((IDictionary<string, object>)x))["value1"]
– Michael Bahig
Sep 13 '15 at 17:50
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How do I make a redirect in PHP?
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Never issue a 301 unless you mean it. 301 means permanent, and permanent means permanent, meaning it will be cached by user agents, meaning long, caffeine-filled nights staring at application logs wondering if you're going insane because you swear some p...
SCOPE_IDENTITY() for GUIDs?
Can anyone tell me if there is an equivalent of SCOPE_IDENTITY() when using GUIDs as a primary key in SQL Server?
5 Answe...
What is the best way to concatenate two vectors?
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Do you mean to add the elements of each vector to each other? Or you mean to append? This is clear now but for the next 5 years..? You shouldn't overload operator if meaning is ambiguous.
– S.R
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What algorithms compute directions from point A to point B on a map?
...d is admissible, the A* algorithm produces the least-cost path. Admissible means that the cost is never over-estimated, but it may be underestimated (but poor estimates will slow the algorithm). Using data from pre-processing is likely to aid in making a better admissible heuristic, and therefore ma...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...ends on the program.
For many programs you can find the numbers and their meaning in the corresponding man page. These will usually be described as "exit status" and may have their own section.
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Configuring Log4j Loggers Programmatically
... give you a logger for the category "com.fizz".
For the above example this means that everything logged with it will be referred to the console and file appender on the root logger.
If you add an appender to
Logger.getLogger("com.fizz").addAppender(newAppender)
then logging from fizz will be ...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...of set, how its elements are stored relative to each other, is usually not meant to convey useful information. In some implementations, sets are always internally sorted; in others the ordering is simply undefined (usually depending on a hash function).
Collection is a generic term referring to any...