Hello, I'm Gopi. 👋
I am a software engineer with over 14 years of experience. I specialize in Java-based technology stacks and have worked for various startups, the European government, and technology giants in India and Europe.
I've mostly taught myself and am a digital nomad. I wanted to share my life lessons and experiences with everyone and encourage engineers to learn programming languages in a fun way.
Check out my written notes to uncover the most trending software topics and Online Courses to learn or upskill yourself.
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.
Byte Primitive Type in Java
Understanding byte is essential, especially when working with large amounts of data or optimizing your program's memory usage. We'll cover its size, range, use cases, and provide example usage to solidify your understanding. What is the byte Type? In Java, byte is one of the eight
Memory Allocation: Stack vs. Heap
Understanding where and how primitive types are stored in memory is crucial for writing efficient Java programs. Java uses two main types of memory allocation: stack and heap. Memory allocations Stack Memory What is the Stack? The stack is a region of memory that stores local variables and method calls.
What Are Primitive Data Types In Java?
Introduction Data types in Java are divided into two types that are used to define variables include: 1. Primitive data types 2. Non-primitive (or reference) data types. Sketch The following sketch helps you understand how everything is divided based on its type. Primitive data types In Java, most of the
Understanding Java Type System
Understanding the concepts of strong typing, static vs. dynamic typing is essential as they influence how Java handles data, enforces rules, and ensures the reliability of your programs. Understanding Java's Type System A type system in programming languages defines how variables are declared, what kinds of values they
What Are Types in Java?
In this lesson, you will learn and explore the fundamental concept of types in Java. Understanding types is crucial as they form the backbone of managing and manipulating data in Java programs. 1. What Are Types in Java? 2. The Importance of Types 3. Primitive Types vs. Reference Types By
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