How to remove duplicate lines of a file in Linux without sorting or changing their order (awk one-liner explained).
How to add, update and delete nested objects in Elasticsearch documents using the Update API and painless scripts.
A Linux shell script for registering directory aliases and navigating to them with tab completion.
A step by step tutorial to dockerize a Rails application and run it in Docker with PostgreSQL and Redis.
A step by step tutorial for creating a chat application with Rails and WebSockets (ActionCable).
Displaying posts 21 - 30 out of a total of 70.
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