Haych questions

• Whats the difference between a Conceptual Data Model and an ER Diagram?
• Get value from build.gradle in Spring Batch Project
• Call Python boto3 library from AWS Lambda function written in Node.js
• Make a process sleep for a random time - Erlang
• Wake a process from sleeping - Erlang
• If Else VS Multiple If Statements [duplicate]
• Aggregate over top hits ElasticSearch
• Python and Node.js on Heroku

Haych answers