A data structure is a particular way of organizing data in a computer
so that it can be used effectively. The idea is to reduce the space and
time complexities of different tasks. This video is designed to help you get started with java data structures some popular linear data structures that are explained includes Array, Array List, Linked List, Stack and Queue.
How to Install PostgreSQL on debian stretch in oder to use it with your Django application and allow remote connection
In this guide, we'll demonstrate how to install and configure PostgreSQL to use with your Django applications. We will install the necessary software, create database credentials for our application, and then start and configure a Django project to use this backend. We will start by install the database software and the associated libraries required to interact with them. This guide assumes that you allready have a working Django project. Step 1 – Prerequsities apt-get install python3-pip python3-dev libpq-dev postgresql postgresql-contrib Step 2 – Connect to PostgreSQL After installing the PostgreSQL database server by default, it creates a user ‘postgres’ with role ‘postgres’. It also creates a system account with the same name ‘postgres’. So to connect to postgres server, login to your system as user postgres and connect database. su - postgres You should now be in a shell session for the postgres user. Log into a Postgres session by typing:...