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QUESTION
I need to make a 3D map from heightmap image in React and I came across this website which has a decent demo I wanted to implement in my application as a beginning.
The very problem of this example is that the ShaderTerrain property is completely missing (at least in my application). Am I missing an import? Here is the error I am getting:
...ANSWER
Answered 2020-Apr-25 at 19:38The tutorial you have linked is many years old. The respective demo uses three.js
in version r49
. The current release is r115
. In the past, ShaderTerrain
was first renamed to TerrainShader
and later removed with release r112
.
However, you can move back in time with this URL and copy the code to your project.
QUESTION
A function in my postgresql database sends a notification when a table is updated. I'm polling that postgresql database by scalikejdbc, to get all the notifications, and then, do something with them. The process is explained here . A typical reactive system to sql tables updates. I get the PGConnection from the java.sql.Connection. And, after that, I get the notifications in this way:
...ANSWER
Answered 2018-Jul-10 at 14:24To better scale, consider using postgresql-async and Akka Streams: the former is a library that can obtain PostgreSQL notifications asynchronously, and the former is a Reactive Streams implementation that provides backpressure (which would obviate the need for paging). For example:
QUESTION
I'm implementing a JAX-RS that use Jersey, Hibernate, and DataSources, but after a lot of corrected errors, I faced one that I couldn't find a solution
Caused by: org.jboss.weld.exceptions.DeploymentException: WELD-001408: Unsatisfied dependencies for type ServiceLocator with qualifiers @Default at injection point [UnbackedAnnotatedField] @Inject private org.glassfish.jersey.server.mvc.internal.ViewableMessageBodyWriter.serviceLocator at org.glassfish.jersey.server.mvc.internal.ViewableMessageBodyWriter.serviceLocator(ViewableMessageBodyWriter.java:0)
at org.jboss.weld.bootstrap.Validator.validateInjectionPointForDeploymentProblems(Validator.java:362) at org.jboss.weld.bootstrap.Validator.validateInjectionPoint(Validator.java:284) at org.jboss.weld.bootstrap.Validator.validateGeneralBean(Validator.java:137) at org.jboss.weld.bootstrap.Validator.validateRIBean(Validator.java:158) at org.jboss.weld.bootstrap.Validator.validateBean(Validator.java:501) at org.jboss.weld.bootstrap.ConcurrentValidator$1.doWork(ConcurrentValidator.java:61) at org.jboss.weld.bootstrap.ConcurrentValidator$1.doWork(ConcurrentValidator.java:59) at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:62) at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:55) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Controller
I tried withou Stateless, RequestScoped... But don't worked.
ANSWER
Answered 2018-Mar-12 at 13:15Worked for me:
Remove:
org.glassfish.jersey.ext
jersey-mvc-jsp
And put the bellow tag on my persistence
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