Multidimensional arrays in PHP
Multi-dimensional arrays are such type of arrays which stores an another array at each index instead of single element. In other words, define multi-dimensional arrays… Read More »
Category Archives: Technical Scripter
Sort the array in a given index range
Given an array arr[] of N integers and an index range [a, b]. The task is to sort the array in this given index range… Read More »
Basic Operators in Shell Scripting
There are 5 basic operators in bash/shell scripting: Arithmetic Operators Relational Operators Boolean Operators Bitwise Operators File Test Operators Arithmetic Operators : These operators are… Read More »
CSS | Border Images
The border-image property in CSS is used to specify the border of an image. This property creates border using image instead of normal border. The… Read More »
Getting started with Jupyter Notebook | Python
The Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text.… Read More »
Maximum sum by picking elements from two arrays in order
Given two arrays of size N and two integers X and Y indicating the maximum number of elements one can pick from array A and… Read More »
Java substring() method memory leak issue and fix
String is a special class in Java. substring() is one of the widely used methods of String class. It is used to extract part of… Read More »
Difference between Byte Addressable Memory and Word Addressable Memory
Memory is a storage component in the Computer used to store application programs. The Memory Chip is divided into equal parts called as “CELLS”. Each… Read More »
What is the difference between echo, print, and print_r in PHP?
echo: echo is not a function rather it is described as a language construct. It accepts an list of argument (multiple arguments can be passed)… Read More »
Sum of elements in an array with frequencies greater than or equal to that element
Given an array arr[] of N integers. The task is to find the sum of the elements which have frequencies greater than or equal to… Read More »
Introduction to WebRTC
WebRTC stands for Web Real-Time Communication. It is an open source and free project that used to provide real-time communication to mobile applications and web… Read More »
How to rename columns in Pandas DataFrame
Given a Pandas DataFrame, let’s see how to rename column names. About Pandas DataFrame: Pandas DataFrame are rectangular grids which are used to store data.… Read More »
Adding new column to existing DataFrame in Pandas
Let’s discuss how to add new columns to existing DataFrame in Pandas. There are multiple ways we can do this task. Method #1: By declaring… Read More »
Apply function to every row in a Pandas DataFrame
Python is a great language for performing data analysis tasks. It provides with a huge amount of Classes and function which help in analyzing and… Read More »
Final keyword in PHP
Final keyword in PHP is used in different context. The final keyword is used only for methods and classes. Final methods: When a method is… Read More »