2026
25
January
This document presents the solution to the problem [134. Gas Station - Leetcode](https://leetcode.com/problems/gas-stati...
25
January
This document presents the solution to the problem [238. Product of Array Except Self - Leetcode](https://leetcode.com/p...
23
January
This document presents the solution to the problem [274. H-Index - Leetcode](https://leetcode.com/problems/h-index/descr...
13
January
This document presents the solution to the problem [45. Jump Game - Leetcode](https://leetcode.com/problems/jump-game-ii...
01
January
This doc contains a few transformed grep commands which I frequently use.
1. Search inside a directory, with file name...
2025
13
December
This document presents the solution to the problem [55. Jump Game - Leetcode](https://leetcode.com/problems/jump-game/de...
02
November
This document presents the solution to the problem [189. Rotate Array - Leetcode](https://leetcode.com/problems/rotate-a...
01
November
This document presents the solution to the problem [169. Majority Element - Leetcode](https://leetcode.com/problems/majo...
28
October
This document presents the solution to the problem [80. Remove Duplicates from Sorted Array II - Leetcode](https://leetc...
12
October
This document presents the solution to the problem [27 - Remove Element - Leetcode](https://leetcode.com/problems/remove...
11
October
This document presents the solution to the problem [88 - Merge Sorted Array - Leetcode](https://leetcode.com/problems/me...
2021
21
June
This document presents the configuration steps for LDAP based authentication for Hashicorp Vault.
It assumes that the LD...
20
June
This document presents the installation steps for Hashicorp Vault and then proceeds with an example scenario involving
...
19
June
The document presents the installation steps for OpenLDAP in an Ubuntu server and some practical examples of LDAP
comm...
2020
01
November
This article presents the solution to the problem [1039. Minimum Score Triangulation of Polygon- Leetcode](https://leetc...
19
October
This document presents the solution to the problem [1405. Longest Happy String](https://leetcode.com/problems/longest-ha...
20
September
In this article we'll be solving the problem: [All Elements in Two Binary Search Trees](https://leetcode.com/problems/al...
20
September
In this article we'll be solving the problem: [Construct Binary Search Tree from Preorder Traversal](https://leetcode.co...
19
September
In this article we'll be solving the problem: [Maximum Binary Tree](https://leetcode.com/problems/maximum-binary-tree/)....
19
September
In this article we'll be solving the problem: [Sum of Nodes with Even-Valued Grandparent](https://leetcode.com/problems/...
19
September
In this article we'll be solving the problem: [Deepest Leaves Sum](https://leetcode.com/problems/deepest-leaves-sum/).
...
13
September
In this article we'll be solving the problem: [Symmetric Tree](https://leetcode.com/problems/symmetric-tree/).
Just like...
13
September
In this article we'll be solving the problem: [Diameter of Binary Tree](https://leetcode.com/problems/diameter-of-binary...
13
September
In this article, we'll be solving the problem: [Binary Tree Paths](https://leetcode.com/problems/binary-tree-paths/).
Th...
12
September
In this article we'll be solving the problem: [Cousins in Binary Tree](https://leetcode.com/problems/cousins-in-binary-t...
12
September
In this article we'll be solving the problem: [Sum of Left Leaves](https://leetcode.com/problems/sum-of-left-leaves/).
...
12
September
In this article we'll be solving the problem: [Same Tree](https://leetcode.com/problems/same-tree/).
Just like the probl...
12
September
In this article we'll be solving the problem: [Minimum Absolute Difference in BST](https://leetcode.com/problems/minimum...
06
September
In this article, we'll be solving the problem: [Construct String from Binary Tree](https://leetcode.com/problems/constru...
06
September
In this article, we'll be solving the problem: [Two Sum IV - Input is a BST](https://leetcode.com/problems/two-sum-iv-in...
05
September
In this article, we'll be solving the problem: [Convert BST to Greater Tree](https://leetcode.com/problems/convert-bst-t...
05
September
In this article, we'll be solving the problem: [Convert Sorted Array to Binary Search Tree](https://leetcode.com/problem...
30
August
In this article, we'll be solving the problem: [Average of Levels in Binary Tree](https://leetcode.com/problems/average-...
30
August
In this article, we'll be solving the problem: [Leaf Similar Trees ](https://leetcode.com/problems/leaf-similar-trees/)....
30
August
In this article, we'll be solving the problem: [Sum of Root To Leaf Binary Numbers](https://leetcode.com/problems/sum-of...
25
August
In this article we'll be solving the problem: [Univalued Binary Tree](https://leetcode.com/problems/univalued-binary-tre...
25
August
In this article we'll be solving the problem: [Maximum Depth of N-ary Tree](https://leetcode.com/problems/maximum-depth-...
23
August
In this article we'll be solving the problem: [Increasing Order Search Tree](https://leetcode.com/problems/increasing-or...
23
August
In this article we'll be solving the problem: [Merge Two Binary Trees](https://leetcode.com/problems/merge-two-binary-tr...
22
August
In this article we'll be solving the problem: [Range Sum of BST](https://leetcode.com/problems/range-sum-of-bst/). We'll...
16
August
This document presents the solution to the problem [343. Integer Break](https://leetcode.com/problems/integer-break/).
W...
01
August
This document presents the solution to the problem [1027. Longest Arithmetic Sequence](https://leetcode.com/problems/lon...
01
August
This document presents the solution to the problem [1372. Longest ZigZag Path in a Binary Tree - Leetcode](https://leetc...
26
July
This document presents the solution to the problem [64. Minimum Path Sum - Leetcode](https://leetcode.com/problems/minim...
21
July
The solution to the issue, InfluxDB Out of Memory, can be solved in multiple folds sequentially. This article presents
t...
17
July
This document presents the solution to the problem [413 - Arithmetic Slices - Leetcode](https://leetcode.com/problems/ar...
12
July
This document presents the solution to the problem [1504 - Count Submatrices With All Ones - Leetcode](https://leetcode....
04
June
In this article, I'll show you how to use distraction free mode by changing the code alignment in IntelliJ IDEA,
GoLand ...
30
May
This document presents the solution to the problem [Filling Bookcase Shelves - Leetcode](https://leetcode.com/problems/f...
24
May
This document presents the solution to the problem [Minimum Cost For Tickets - Leetcode](https://leetcode.com/problems/m...
16
May
This document presents the solution to the problem [Airplane Seat Assignment Probability - Leetcode](https://leetcode.co...
19
February
In this tutorial we'll be learning about the **Proxy Design Pattern**. We'll be creating one Hibernate like very simple ...
15
February
In this tutorial we'll be learning **State Design Pattern**. We'll be creating a very simple Document Manager while
lea...
09
February
In this tutorial we'll be learning **Component Design Pattern**. We'll be creating a very simple HTML viewer or parser
w...
02
February
**Now, you can create your CI/CD pipelines for your Github repositories using Github Workflows.**
However, there were s...
02
February
In this tutorial we'll be looking into the **Template Design Pattern**. We'll try to create a Report Generator that will...
19
January
In this section we'll be learning about the object oriented programming(OOP)'s **Adapter Patter** or **Adapter Design P...
11
January
In this section we'll look into **Command Design Pattern**. While learning the Command design pattern we'll try to
impl...
01
January
This document presents a simple tutorial for the **Singleton Design Pattern**. We'll start by creating a Config Manager ...
2019
28
December
From this tutorial we will look into Factory Method Design Pattern. This tutorial expects that you've already gone
thr...
28
December
In this chapter we will look into the Simple Factory Pattern(or an Idiom?). To learn about the Simple Factory Pattern,
w...
25
December
In this tutorial we'll look into the **Decorator Design Pattern**. We'll see the benefits of Decorator Design Pattern by...
25
December
In this tutorial we'll be looking into **Observer Design Pattern**. We will learn about the Observer Design Pattern by
...
21
December
In this tutorial we'll be learning about the **Strategy Design Pattern**. We'll be creating some classes for Ducks using...