Arrays on Ghafoor's Personal Blog

Arrays in Component

noreply@example.com (AG Sayyed) — Tue, 29 Jul 2025 08:40:18 +0000

This document covers how to declare, traverse, and manage arrays in React components, including state management, rendering lists, and using array methods like map, forEach, and splice for dynamic UIs.

Arrays in React Components

Arrays are fundamental data structures in JavaScript, used to store multiple values in a single variable. In React, arrays are essential for managing lists of data and building dynamic user interfaces.

Declaring and Managing Arrays

Arrays can be declared using array literal notation:

Two Dimension Numpy

noreply@example.com (AG Sayyed) — Thu, 24 Jul 2025 13:30:06 +0000

This document covers the creation and manipulation of two-dimensional Numpy arrays, including indexing, slicing, matrix addition, scalar multiplication, Hadamard product, and matrix multiplication. Readers will learn practical techniques for working with 2D data structures in Python.

Introduction to 2D Numpy Arrays

Numpy supports arrays with more than one dimension. Two-dimensional arrays are commonly used to represent matrices and tabular data. Arrays are created by casting nested lists to Numpy arrays.

One Dimensional Numpy

noreply@example.com (AG Sayyed) — Thu, 24 Jul 2025 13:18:28 +0000

Numpy is a foundational Python library for scientific computing, offering efficient array creation, indexing, slicing, and vector operations. This document covers basic usage, attributes, universal functions, and practical examples for data science and mathematical analysis.

Introduction to Numpy and ND Arrays

Numpy provides powerful tools for scientific computing, including ND arrays for storing and manipulating data. Arrays are fixed in size and contain elements of the same type, enabling fast and memory-efficient operations.

JavaScript Arrays

noreply@example.com (AG Sayyed) — Sat, 26 Nov 2016 00:00:00 +0000

Arrays

Array is a topic of data structure and deals with collecting of data known as data collection. Data can be homogeneous or heterogeneous, arrays usually deal with homogeneous items. The item in an array or a component (element stored) in an array is accessed by its position using index. Thus there is one-to-one relationship between each index and its component. Take an example of student marks achieved in five subjects var result = [70,69,83,93,73]. Marks are stored in an array which is referenced by the identifier result. Thus the relationship b/w its index and value can be shown as below.