Hello 👋,
I am Gopi, an engineering leader with 13+ years of experience in backend and frontend development. A specialist in Java-based technology stack. I worked in India and European countries for multiple startups, the European government, and technology giants.
I've mostly taught myself and lived as a Digital Nomad. This site contains my learnings, experiences, tools, etc. My written notes covers the most trending software topics.
Mastering Arrays For Coding Interviews in Java
Arrays are fundamental data structures in computer science and serve as building blocks for complex ones.
How To Prevent cannot read property map of undefined
The "cannot read property map of undefined" error occurs when we try to call the map method on a variable that stores an undefined or null value.
How can I remove a specific item from an array in JavaScript?
Removing a specific item from an array is the most use case a developer runs into. You will learn more than 7 ways to achieve this.
A Complete Guide To JavaScript LocalStorage
localStorage is a property of the window object in JavaScript that allows you to store key/value pairs in a web browser. The data stored in localStorage persist even after the browser is closed, making it a useful tool for saving user data on the client side.
How to Prevent cannot read property split of undefined
The "cannot read property split of undefined" error occurs when we try to call the split() method on a variable that stores an undefined value.
Leetcode 217: Contains Duplicate
This question marks the first problem when working on duplicate data, either integers or strings etc. Companies that have asked this in their coding interview are Amazon, Apple, Netflix, Google, Microsoft, Adobe, Facebook, and many more top tech companies. Problem statement Given an integer array nums, return true if any
Leetcode 121: Best Time To Buy and Sell Stock
The Best time to buy and sell stock problem is a classic problem that can be solved using the Greedy approach. This is one of the most popular questions asked in such interviews. Companies that have asked this in their coding interview are Facebook, Amazon, Apple, Netflix, Google, Microsoft, Adobe,
Blind 75 LeetCode Problems: Detailed Solutions
💡More problems are on the way. Blind 75 is a curated collection of 75 coding problems commonly used by fast-paced startups and the top 1% of companies. List gained popularity among software engineers for tech interviews, especially at Google, Amazon, and Facebook (Meta). Arrays 1. Two Sum 2. Best Time
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