Open in app
Home
Notifications
Lists
Stories

Write
Parathan Thiyagalingam
Parathan Thiyagalingam

Home
About

Mar 21

How to install python2 and pip on Ubuntu 20.04

Why to install Python2 Most of the applications are now shifted to Python3 and becoming re-written source code. But somehow, some of the not evolving scripts which were written on Python2 needs to be executed with the help of Python2. To install Python2 sudo apt install python-minimal The above command will download the Python2 last version (2.7.15). …

Software Engineering

1 min read

How to install python2 and pip on Ubuntu 20.04
How to install python2 and pip on Ubuntu 20.04

Jan 1

Update all node dependencies to their latest version without updating one by one

This process will sometimes trouble you at some point. Because software maintenance & upgrade will cost a lot; unless we are aware of what we are doing. In this post, I wanted to bookmark myself the process of updating all node dependencies in the package.json …

Nodejs

2 min read

Update all node dependencies to their latest version without updating one by one
Update all node dependencies to their latest version without updating one by one

Apr 11, 2021

ACID Properties in RDBMS

Relational Database Management System is working under main properties. Those properties abbreviated term is called as ACID. Before or after a transactions happen in a database, these 4 properties will be followed to maintain the integrity of a database management system. Atomicity: A transaction must be atomic. Transaction should happen…

Database

3 min read


Dec 10, 2020

The difference between Module, Package and Library in Python

I started learning Python a year back and implemented some simple scripts to automate some manual tasks. E.g: Read CSV files and analyzing Download YouTube videos by giving the link Updating Webpages through Rest API So, while implementing all theses I have gone through the keywords like Module, Package and…

Software Development

3 min read

The difference between Module, Package and Library in Python
The difference between Module, Package and Library in Python

Oct 30, 2020

Design Patterns — Zero to Hero — Decorator Pattern

In the last article we explored about Abstract Factory Pattern. In this article we are going to learn about a new Decorator Pattern which is belongs to Structural Design Pattern. The Decorator Pattern allows users to add new functionalities to an existing object without making any changes to previously written…

Design Patterns

4 min read

Design Patterns — Zero to Hero — Decorator Pattern
Design Patterns — Zero to Hero — Decorator Pattern

Jul 1, 2020

Design Patterns — Zero to Hero — Abstract Factory Pattern

The Abstract Factory is called a factory of factories. In the previous article, we have seen the Simple Factory and Factory Method patterns. This patter too comes under the Creational Pattern category. This provides one of the best ways to create an object. Abstract Factory relies on object composition. Object…

Software Development

3 min read

Design Patterns — Zero to Hero — Abstract Factory Pattern
Design Patterns — Zero to Hero — Abstract Factory Pattern

Jun 28, 2020

Design Patterns — Zero to Hero — Factory Pattern (Simple Factory and Factory Method)

In the last article, we have seen about Singleton Factory which belongs to Creational Patterns (Creational Patterns are mainly focused on creating Objects). Today, we are going to have a look at another type of Creational Pattern called Factory Pattern. The word itself illustrates its functionalities. What is Factory? A place where things…

Programming

5 min read

Design Patterns — Zero to Hero — Factory Pattern (Simple Factory and Factory Method)
Design Patterns — Zero to Hero — Factory Pattern (Simple Factory and Factory Method)

Jun 17, 2020

Design Patterns — Zero to Hero — Singleton Pattern

In our day-to-day coding occurrences, we may have come across some implementations where a class needs to be instantiated only once and no need to instantiate again and again. Some example instances are as follows Objects used for logging Objects that act as device drivers to devices like printers and graphic cards Objects containing registry settings…

Java

5 min read

Design Patterns — Zero to Hero — Singleton Pattern
Design Patterns — Zero to Hero — Singleton Pattern

Jun 14, 2020

Threads in Programming

Have you ever wondered how big applications or software are working? Imagine while you are playing video games you may have seen some occurrences where changes occur concurrently like meter measurements or the moving objects in the display. These won’t happen at the same time. Each action is executed under…

Software Engineering

3 min read

Threads in Programming
Threads in Programming

Jun 13, 2020

Software Design Patterns — Zero to Hero

I have been coding from 2017, related to web-development and automating boring stuff with Python. While coming across some cool stuff in Software Engineering I got to know about “Design Patterns”. I saved that in my learning list last year. But I was not able to catch those patterns principle…

Object Oriented

3 min read

Design Patterns — Zero to Hero
Design Patterns — Zero to Hero
Parathan Thiyagalingam

Parathan Thiyagalingam

A passionate in Tech https://www.linkedin.com/in/parathantl

Following
  • AirbnbEng

    AirbnbEng

  • Netflix Technology Blog

    Netflix Technology Blog

  • Benjamin Hardy, PhD

    Benjamin Hardy, PhD

  • Muhammet Arslan

    Muhammet Arslan

  • Tyler McGinnis

    Tyler McGinnis

See all (12)

Help

Status

Writers

Blog

Careers

Privacy

Terms

About

Knowable