The Crazy Programmer

Why Cybersecurity Should Be Your Organization’s Top Priority

Cybersecurity isn’t something new. Businesses are emphasized to protect their data systems from hackers for decades. Unfortunately, the escalating rate of digitalization that is consuming IT resources across organizations has led to basic network and device hygiene becoming one of the most neglected components of cybersecurity. It shows! Take the Petya and Equifax breaches for …

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Difference between Binary Tree and Binary Search Tree

DSA

In this article, we will look at the difference between Binary Tree and Binary Search Tree. These topics are very important because these act as an underlying data structure for various other data structures. So, we will look at the description of each with examples and compare their properties. Binary Tree A Binary tree is …

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Concurrency vs Parallelism – Difference between Concurrency and Parallelism

Operating System

In this article, we dive deep into the core concepts of multithreading. We will have a look at the profound understandings of the terms Concurrency and Parallelism with their description. Then, we compare the major differences between the two terms. Concurrency and Parallelism are often misunderstood to be somewhat similar but it is not the …

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Kadane’s Algorithm (Maximum Sum Subarray Problem) in Java

Algorithm, DSA

In this article, we will understand the idea of Kadane’s Algorithm. We discuss this with the help of an example and also discuss a famous interview problem related to it. Then, we will look at the implementation and analyze the complexities of our approach. Kadane’s Algorithm This algorithm is useful in solving the famous ‘Maximum …

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HTML6 – New Features Expected and Release Date

Design

As we all know about HTML5 is the latest version of HTML currently available on the internet. HTML6 is soon to be released with some of the modified and new features and functionalities in it. Here is a list of new tag attributes that can be comprised in HTML6 and will have namespace html, such …

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Invert a Binary Tree – Recursive and Iterative Approach in Java

DSA

In this article we have a look at another interesting problem related to binary tree. Given a binary tree we have to invert the tree and print it. We discuss different approaches to solve this problem along with their time and space complexities The inversion of a binary tree or the invert of a binary …

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LRU Cache – Design and Implementation in Java

Algorithm, DSA

In this article we will learn how to design a LRU Cache, understand it’s cache replacement algorithm. We also look at description of LRU Cache with some examples. Then, we look at the implementation of this design in code with their complexity analysis. Caching is a method of organizing data in a faster memory, usually …

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Difference between Primary Key and Unique Key

SQL

In this article we look into the difference between Primary Key and Unique Key Constraints. We will see the description of both along with how to define a schema and create attributes in a table with these constraints. Primary Key A Primary Key is a key attribute or a column which is used to uniquely …

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