rchukh questions

rchukh answers

• How to make "order by aggregate function" in Spring Data?
• Amazon like search with Solr
• Solr russian spellcheck
• Solr - {!ex} on a facet query
• JPA criteria API - Matching against a list in Spring Data JPA Specifications
• Spark specify multiple column conditions for dataframe join
• Solr query search for multiple instances for single keyword
• spring-data specifications - return list of ids instead of objects