02 November 2025

Rotate Array Solution - Leetcode

Array Math Two Pointers

Understand Rotate Array (189 Leetcode) with Solution

01 November 2025

Majority Element Solution - Leetcode

Array Hash Table Divide and Conquer Sorting Counting

Understand Majority Element (169 Leetcode) with Solution

28 October 2025

Array Two Pointers

Understand Remove Duplicates from sorted array ii (80 Leetcode) with Solution

12 October 2025

Array Two Pointers

Understand Remove Element (27 Leetcode) with Solution

11 October 2025

Array Two Pointers Sorting

Understand Merge Sorted Array (88 Leetcode) with Solution

21 June 2021

Vault LDAP OpenLDAP

Using Hashicorp Vault with LDAP(OpenLDAP) based Login/Auth and Policy Authorization

20 June 2021

Vault Policies UserPass Secrets

Vault installation with tutorial on Userpass authentication with Policy Authorization

19 June 2021

LDAP OpenLDAP

OpenLDAP installation on Ubuntu with practical examples using ldapadd, ldapmodify, etc.

01 November 2020

Dynamic Programming DP

Leetcode Solution: Understand Minimum Score Triangulation of Polygon With Brute Force and Optimal Solution

19 October 2020

Dynamic Programming DP

Understand Leetcode Longest Happy String(1405) With Brute Force and Optimal Solution