Recent Blogs

  • Slice and splice in JavaScript arrays
    Slice and Splice are one of the confusing concept related to JavaScript arrays. Many developers got confused with them. So in this blog, I will be talking about the differences between them and technique...
  • New Year Chaos, Hackerrank
    We will discuss Find the New Year Chaos problem from Hackerrank here. Problem Statement It is New Year’s Day and people are in line for the Wonderland rollercoaster ride. Each person wears a sticker indicating their initial position...
  • Leetcode 1337: K Weakest Rows In A Matrix
    Problem link – https://leetcode.com/problems/the-k-weakest-rows-in-a-matrix/ This Leetcode – 1337: The K Weakest Rows in a Matrix problem is present in the binary search, easy category list. Problem Statement Given a m * n matrix mat of ones (representing soldiers) and zeros (representing civilians), return...
  • Objects in JavaScript – An Introduction
    Let’s start with a brief introduction to the concept of objects in JavaScript. Objects are essentially a collection of multiple values you can have. What is an object ? Values and variables which are...
  • What is Boundary value analysis?
    BVA (abbreviation for Boundary value analysis ) is one of the black box testing technique which helps us to select the test cases cleverly from the pool of the test cases to save our time and...
  • How to read multiple CSV/Excel files in R and write in SQL?
    Suppose, you have multiple CSV/Excel files, assume 100,200 in a folder or may be in a different folder. You want to write all those files to MS SQL through R. If you will do...
  • Introduction to API
    What is an API? The term API stands for application programming interface. API is a set of routines, protocols, and tools for building software applications. In simple words, we can define API as the...
  • Structural v/s Attribute directives
    Directives are most widely used feature and these are used for extending the power of HTML. Angular provides some inbuilt directives and you can also create your own custom directives. Custom directives can be...
  • How Data science is affecting all our life for better use!
    All over the world, we are seeing a massive increase in the amount of data we record and analyze for the greater good of humanity. Here I would throw some light on how data...
  • Black box testing techniques
    In this blog, we will learn about the black box testing and its test techniques. Today, we will dig into basic techniques out of two techniques (Basic and Advance). Let’s get started What is...
  • An introduction to Array
    In this blog, I will be discussing about one of the oldest and widely used data structure called array and will be answering the following questions – 1. What is an array ?2. What...
  • Arrow functions in javascript
    Introduction to arrow functions Arrow functions are introduced in ecmaScript 6 or ES6. It is a scripting-language specification standardized for JavaScript. Read more about functional programming using arrays in ES6. Basic Syntax // without...
  • Unit-level testing
    In today”s blog we will learn about the curtain-raiser (Unit-level testing) of testing in software testing life cycle (STLC). Let’s start. What is Unit? A Unit is the smallest testable piece of software. It...
  • Ready for Data Analysis? Answer these 5 Key Questions First
    Before starting any data analysis, the most crucial step is data preparation. Many companies spend millions and billions of dollars in collecting the data and analyzing it using various analyzing tools which may not...
  • Non-Functional Testing and its types
    Broadly Software testing is divided into two parts Functional and Non-functional testing. Today in this blog, I will cover Non-functional testing and its types. What is Non-functional testing? Testing attributes of the component or...
  • Functional programming in JavaScript using map() and filter()
    Today I’m going to make you familiar with Map & Filter ( array functions ) in JavaScript which will make your code less chunky, simple and clean ( less buggy) .  map() The Map()...
  • Terminologies related to software testing
    Being a QA we came across many different terminologies in software testing, and many QA aspirants get confused with these terms. Benefits of using standardized testing terminologies help in better communication between QA teams....
  • Visualizing geospatial data using Folium
    In this blog, I will discuss a very interesting data visualization library in python which is Folium. I will show you how to use it along with examples.   Folium is a powerful data visualization...
  • Skills Every Data Scientist Aspirant Should Learn
    Data Scientist is termed as ‘Sexist Job of the 21st century’. As this field has become so popular now-a-days, I thought I should write on what should be the most important skills/responsibilities that every...
  • SDLC V/S STLC: Understand the difference
    In this blog, we will try to understand the difference between SDLC and STLC. Let us get started What is SDLC? SDLC stands for Software Development Life Cycle, SDLC is defined as the process of different steps...