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I want make a generic hibernate API which will create mapping class from hbm.xml and use in generic select method.
Please help me..
Thanks
Hibernate tools (hbm2java) allows you to do this. Read the 5.4.2. POJO java code exporter section or look at the screenshot below.
(Screenshot from Hibernate Tools Reference Guide [pdf])
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The following shows one entity, where the same product (same pid) is given a rating by two different users (different uid). I want to get the latest data about average_stars (namely the second column data), which is 4.50. I used a MySQL command findTopByProduct, which shows me the older average_stars instead, namely 4.00. I tried findBottomByProduct, which turns out to be non-existent. I will really appreciate anyone who can help me with this simple question. Thanks in advance!
I have found the answer: findTopByProductOrderByPruidDesc
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In particular, I want to use scala.util.hashing.MurmurHash3 in a Java application. Is it possible? How?
You literally just import the class and use it.
So:
Step 1: include the scala library in your classpath
Step 2: import class and use it.
If you need more examples, here you go.
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I set up a simple Tensorflow server with instructions from here https://tensorflow.github.io/serving/serving_advanced, using my own model. Is there a way to make predict requests directly from Java?
If it's possible, please provide some source code.
Thanks!
Yes can use the tensorflow Java API, doc here. And the java api is experimental.
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is there something similiar in playframework like the aciverecord from ruby on rails?
Thanks
There is no out-of-the-box instantiation of active record design pattern in Playframework.
However, if you're using Play! with Scala, you can have a look to scala-activerecord which is an ORM library for Scala (https://github.com/aselab/scala-activerecord)
If you are using, Slick 3.x, you can try ActiveSlick (http://www.strongtyped.io/active-slick/). A good way is to start with the activator template http://www.lightbend.com/activator/template/slick-active-record
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I have set up a JPA Database connection for my Eclipse Java project to a PostGreSQL database. I was wondering if there was a way to create a class for one of the tables without doing everything by hand.
Yes,you can use hibernate reverse engineering. Pretty much with some simple set up, it will generate java pojo class for you.
See:
http://javafws.blogspot.com/2013/04/generate-hbm-files-pojo-classes-in-eclipse.html
and
http://www.mkyong.com/hibernate/how-to-generate-code-with-hibernate-tools/