Saheb Motiani Saheb

## Applied-FP-with-Scala.md

      
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                jdegoes
                / Applied-FP-with-Scala.md
            
            
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              May 9, 2024 08:27
            
          
    Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.
1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x

  
## how_to_reset_kafka_consumer_group_offset.md

      
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                marwei
                / how_to_reset_kafka_consumer_group_offset.md
            
            
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              November 9, 2017 23:39
            
              
                How to Reset Kafka Consumer Group Offset
              
          
    Kafka 0.11.0.0 (Confluent 3.3.0) added support to manipulate offsets for a consumer group via cli kafka-consumer-groups command.

List the topics to which the group is subscribed

kafka-consumer-groups --bootstrap-server <kafkahost:port> --group <group_id> --describe
Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions.

Reset the consumer offset for a topic (preview)