Jubayer Hossain hossainlab

Project Title: `IamBloodDonor`

Project Tagline: `Donate Blood, Save Life`

`Features`

Blood Group List
User Blood Request Message
User FeedBack Message
Registration
Login
Search(Current location)

In this article we will learn how to use python list(built-in data structure) as Queues.

Python List as Queues(First-in, First-Out)

import collections.deque
To add an item, append()
To remove an item, popleft()

In this article we will learn how to use python list as Stact.

Stacks (Last-In, First-Out)

To add an item to the top of the stack, use append()
To retrieve an item from the top of the stack, use pop() without an explicit index

stack = [2, 3, 4]

IntelliJ IDEA

IntelliJ IDEA is an integrated development environment (IDE) for Java development. It’s developed by JetBrains, the same company that developed PyCharm, the best IDE for Python. Like PyCharm.

Two Types

Community Edition (Free)
Ultimate Edition (Paid version with extra features)

➡️ Install Ubuntu Make

 sudo add-apt-repository ppa:ubuntu-desktop/ubuntu-make

Operators

Add
- $x + y$
Subtract
- $x - y$
Multiply
- $x * y$
$x \times y$

How To Install Anaconda On Ubuntu

Download Anaconda

⬇️ Download Anaconda

1️⃣ Run The Following To Install Anaconda Python(3.7)

bash ~/Downloads/Anaconda3-5.3.0-Linux-x86_64.sh

2️⃣ Activate

How To Install and Use PostgreSQL on Ubuntu 18.04

➡️ Install PostgeSQL

sudo apt update
sudo apt upgrade -y
sudo apt install postgresql postgresql-contrib

Python Program to Reverse a Given Number

n = int(input("Enter a number: "))
reversed_number = 0
while(n>0):
    last_digit = n%10
    reversed_number = reversed_number*10+last_digit
 n = n//10

	// Create a string
	// TODO: I have to fix later and study more on it
	var str = new String()
	// ! But Most of developers skip that and follow this convention
	var name = 'Jubayer';
	console.log(typeof name);

	// Properties and methods of the String() object

	// concat(text)

	// JavaScript OOP Concepts
	/*
	Concept-1:Object Literals
	Concept-2:Constructor & This
	Concept-3:Prototypes & Inheritence
	Concept-4:Classes and Subclasses
	*/

	// Concept-1:Object Literals
	const bookOne = {