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Jarvish John

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Joined on Mar 22, 2026

Mar 29

Alter Tables

#beginners #database #sql #tutorial

2 min read

Mar 29

Create Tables

#beginners #database #sql #tutorial

3 min read

Mar 25

Idempotency Situation

#backend #database #softwareengineering #sql

2 min read

Mar 25

Durability

#computerscience #database #sql #tutorial

1 min read

Mar 25

Consistency

#database #sql #testing

2 min read

Mar 25

Atomicity

#beginners #database #sql #tutorial

2 min read

Mar 25

Users, Roles, Groups

#database #postgres #security #sql

2 min read

Mar 25

Select Queries from DVD Rental database

#beginners #database #postgres #sql

4 min read

Mar 25

Filter Assignments

#beginners #database #sql #tutorial

6 min read

Mar 25

Basic Select SQL Queries

#beginners #database #sql #tutorial

2 min read

Mar 25

Setup a DNS hosted zone in Route53 in AWS.

#aws #beginners #networking #tutorial

1 min read

Mar 25

Two Sum & Sorted Two Sum

#algorithms #dsa #leetcode #python

1 min read

Mar 25

Create a simple EC2 instance and run a webserver and access it from outside

#aws #beginners #linux #tutorial

2 min read

Mar 25

Number guessing game

#beginners #database #sql #tutorial

1 min read

Mar 25

How a request originates from client and reaches the server

#beginners #networking #tutorial #webdev

2 min read

Mar 25

How the DNS is resolved ?

#beginners #computerscience #networking #webdev

1 min read

Mar 25

IP4 and Subnets

1 min read

Mar 23

How TLS works ?

1 min read

Mar 23

Foundations of Backend Engineering – Internet, IP & API Basics

#backend #beginners #networking #systemdesign

2 min read

Mar 22

CA 17 - Different Sorting Methods

#algorithms #beginners #computerscience #python

3 min read

Mar 22

CA 24 - Sort a Linked List Using Merge Sort

1 min read

Mar 22

CA 23 - Remove duplicates from a sorted linked list

#algorithms #beginners #computerscience #tutorial

1 min read

Mar 22

CA 22 - Reverse a Linked List

#algorithms #beginners #dsa #python

1 min read

Mar 22

CA 21 - Majority Element

1 min read

Mar 22

CA 20 - Search in Rotated Sorted Array

2 min read

Mar 22

CA 19 - First and Last Occurances

2 min read

Mar 22

CA 18 - Squares of an Sorted Array

#algorithms #beginners #coding #tutorial

1 min read

Mar 22

CA 16 - Guess The Number Higher or Lower

#algorithms #beginners #coding #computerscience

1 min read

Mar 22

CA 15 - Merge two linked list

#algorithms #beginners #computerscience #programming

2 min read

Mar 22

CA 14 - Valid Anagram

#algorithms #beginners #leetcode #python

1 min read

Mar 22

CA 13 - Move Zeros

#algorithms #dsa #interview #leetcode

1 min read

Mar 22

CA 12 - Next Permutation

#algorithms #dsa #interview #leetcode

2 min read

Mar 22

CA 10 - Kadane's Algorithm

#algorithms #computerscience #dsa #tutorial

1 min read

Mar 22

CA 09 - Move all negative elements to the end

#algorithms #coding #computerscience #programming

2 min read

Mar 22

CA 08 - Sort 0s 1s and 2s

#algorithms #coding #computerscience #interview

2 min read

Mar 22

CA 07 - Kth Smallest

#algorithms #beginners #computerscience #dsa

2 min read

Mar 22

CA 06 - Find Maximum and Minimum in an array

#algorithms #beginners #dsa #tutorial

1 min read

Mar 22

CA 05 - Reverse The Array

#algorithms #beginners #dsa #python

1 min read

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