Alex Vayda

Alex Vayda has asked 13 questions and find answers to 11 problems.

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About

Enthusiastic full-stack software engineer and active open-source contributor.

Scala, Java, TypeScript, JavaScript
Spring, Hibernate
Angular
Apache Spark
MongoDb, ArangoDb
Oracle, PostgreSQL
ElasticSearch, Solr

Alex Vayda questions

Scala: How to invoke method with type parameter and manifest without knowing the type at compile time?
Hibernate: Should I include the 'version' field to hashcode() and equals() methods
Scalatest: how to check if a collection contains element that satisfies certain criteria
Thymeleaf: Setting an arbitrary value to an arbitrary attribute
ElasticSearch : reusing nested type mapping
Scala pattern matching: How to match on an element inside a list?
JavaScript: Can I use square brackets ([]) operator as a function?
Freemarker: How to iterate through the Map using enums as keys
Jackson: How to add custom property to the JSON without modifying the POJO

Alex Vayda answers

JPA Unidirectional @OnetoMany fails
How to create DataFrame with nulls using toDF?
Is there something like a Safe Navigation Operator that can be used on Arrays?
Spring + Tiles2 + Freemarker - integrate via Freemarker Servlet or via Spring's FreeMarkerViewResolver?
Idea 12, How do I indicate some spring files are used only for Tests
Is it possible to configure Dozer such that by default fields are rather accessed directly that through setter-/getter method
Using Jackson JSON Generator, how can I write multiple objects to one field?
Spring MVC: Applying different JSON serializer for different annotated controller method
Class Loading Application Context Spring