
WEB DEVELOPMENT
Peer authentication failed error arrives when you try to login to your PostgreSQL user but authentication fails because by default psql connects over UNIX sockets using peer authentication instead of password authentication.
In this article we will learn…

PROGRAMS
Problem Definition
Create a python program to reverse a sentence.
Algorithm
Take a string as input.
Convert the sentence into a list of words.
Join the list in the reverse order which ultimately is the reversed sentence.
Program
sentence = "dread it ru…

PROGRAMS
The octal numeral system, or oct for short, is the base8 number system and uses the digits 0 to 7. The main characteristic of an Octal Numbering System is that there are only 8 distinct counting digits from 0 to 7 with each digit having a weight or valu…

PROGRAMS
A binary number is a number expressed in the base2 numeral system or binary numeral system, which uses only two symbols 0 and 1.
The decimal numeral system is the standard system for denoting integer and noninteger numbers.
All decimal numbers can be c…

PROGRAMS
In this article, we will go over different ways to generate pyramids and patters in Python.
Half pyramid of asterisks
def half_pyramid(rows):
for i in range(rows):
print('*' * (i+1))
half_pyramid(6)
Output
*
**
***
****
*****
******
An alter…

PROGRAMS
The factor of any number is a whole number which exactly divides the number into a whole number without leaving any remainder.
For example, 3 is a factor of 9 because 3 divides 9 evenly leaving no remainder.
Problem
Create a Python program to find all th…

PROGRAMS
Problem Definition
Create a Python program to take two numbers from the user one being the base number another the exponent then calculate the power.
Program
import math
base_number = float(input("Enter the base number"))
exponent = float(input("Enter t…

PROGRAMS
Problem Definition
Create a Python program to reverse a number in Python.
Solution
This article will show multiple solutions for reversing a number in Python.
Reversing a number mathematically
The algorithm below is used to reverse a number mathematicall…

PROGRAMS
Problem Definition
Create a Python program to display all alphabets from A to Z.
Solution
This article will go through two pythonic ways to generate alphabets.
Using String module
Python's builtin string module comes with a number of useful string funct…

DJANGO
A manager is an interface through which database query operations are provided to Django models. At least one Manager exists for every model in a Django application, objects is the default manager of every model that retrieves all objects in the database…