JavaScript: Understanding Prototype and Class methods

So, in JavaScript, first of all, its an object oriented programming but without classes (till ES5), now with ES6 we have classes officially in JavaScript But still the old behaviour of the language is forwarded with newer version In Javascript creating an object is possible via its functions(...

GoLang: How To work with JSON Data and Nested structs

GoLang: How To work with JSON Data and Nested structs Hello Everyone, I spent sometime today to craft this code, so this article slowly walk you through how to build a nested struct, how to load data into it, then converting it into JSON, writing to a file, reading from a file and append new data etc. I was learning GoLang and found needed something like this. Hope it helps. package...

PostgreSQL: How To - Installation , Create User , DB and manage permissions

PostgreSQL: How To - Installation , Create User , DB and manage permissions Installation sudo apt install postgresql postgresql-contrib Start the DB you will have instruction printed in the output performing post-bootstrap initialization ... ok syncing data to disk ... ok Success. You can now start the database server using: pg_ctlcluster 12 main start Ver Cluster...

PostgreSQL: How To - Installation , Create User , DB and manage permissions

PostgreSQL: How To - Installation , Create User , DB and manage permissions Installation sudo apt install postgresql postgresql-contrib Start the DB you will have instruction printed in the output performing post-bootstrap initialization ... ok syncing data to disk ... ok Success. You can now start the database server using: pg_ctlcluster 12 main start Ver Cluster...