BornToRain

vert.x instance how to get work verticle numbers

3

i want dynamic setWorkerPoolSize = work verticle numbers * cpu. ```java @Override public void beforeStartingVertx(VertxOptions options) { System.setProperty(LOGGER_DELEGATE_FACTORY_CLASS_NAME, SLF4JLogDelegateFactory.class.getName()); System.setProperty("hazelcast.logging.type", "slf4j"); System.setProperty("vertx.disableDnsResolver", "true"); InternalLoggerFactory.setDefaultFactory(Slf4JLoggerFactory.INSTANCE); options .setClusterManager(new HazelcastClusterManager()) .setPreferNativeTransport(true) // size...

Scala fat jar is too big

3

Hello World Demo Project in Java: fat.jar size 6.5MB in Scala 1: fat.jar size 26MB in Scala 2(set scala-compiler.scope = provided): fat.jar size 16MB  Scala fat.jar can like Java？

Why does this code loop indefinitely

2

## ErrorCode An infinite loop is triggered when I have more than one sync code in vert.x,error code in 49-54line.  ## ErrorMsg  ## RightCode only one sync code...

Spring-Data Not Supported Option<?>

3

### Spring-Boot:1.5.9.RELASE ### Vavr、Vavr-Jackson:0.9.1 ```java @Data public class User { private String id; private Option username; } public interface UserRepository extends MongoRepository { //can find Option findById(String id); //can't find...

vavr serialization can ignore field?

5

vavr serialization "items": { "async": false, "ordered": false, "traversableAgain": true, "lazy": false, "sequential": false, "distinct": true, "memoized": false, "singleValued": false, "empty": true, "orNull": null, "id": "451565338509840384" } I want serialization...