Technical Scripter 2018

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Different ways to iterate over rows in Pandas Dataframe

Last Updated: 29 September 2023

In this article, we will cover how to iterate over rows in a DataFrame in Pandas.How to iterate over rows in a DataFrame in PandasPython is a great language for doing data ...read more

Python pandas-dataFrame

Technical Scripter 2018

pandas-dataframe-program

Stack vs Heap Memory Allocation

Last Updated: 15 March 2023

Memory in a C/C++/Java program can either be allocated on a stack or a heap.Prerequisite: Memory layout of C program.Stack Allocation: The allocation happens on contiguous...read more

Technical Scripter

system-programming

Difference Between

Technical Scripter 2018

Iterate over characters of a string in Python

Last Updated: 22 April 2023

In Python, while operating with String, one can do multiple operations on it. Let's see how to iterate over the characters of a string in Python.Example #1: Using simple i ...read more

Technical Scripter 2018

Python string-programs

How to rename columns in Pandas DataFrame

Last Updated: 29 September 2023

Given a Pandas DataFrame, let’s see how to rename columns in Pandas with examples. Here, we will discuss 6 different ways to rename column names in pandas DataFrame.How to...read more

Python pandas-dataFrame

Technical Scripter 2018

pandas-dataframe-program

Adding new column to existing DataFrame in Pandas

Last Updated: 29 September 2023

Let's discuss how to add new columns to the existing DataFrame in Pandas. There are multiple ways we can do this task.By declaring a new list as a column[tabby title="Pyth...read more

Python pandas-dataFrame

Technical Scripter 2018

pandas-dataframe-program

How to drop one or multiple columns in Pandas Dataframe

Last Updated: 29 September 2023

Let’s discuss how to drop one or multiple columns in Pandas Dataframe. To Delete a column from a Pandas DataFrame or Drop one or more than one column from a DataFrame can ...read more

Python pandas-dataFrame

Technical Scripter 2018

pandas-dataframe-program

Polymorphism in Python

Last Updated: 10 January 2023

What is Polymorphism: The word polymorphism means having many forms. In programming, polymorphism means the same function name (but different signatures) being used for di ...read more

Technical Scripter 2018

How to select multiple columns in a pandas dataframe

Last Updated: 27 November 2018

Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric Python packages. Pandas is one of those packages and makes...read more

Python pandas-dataFrame

Technical Scripter 2018

pandas-dataframe-program

Reverse an array in Java

Last Updated: 08 April 2022

Given an array, the task is to reverse the given array in Java.Examples:Input : 1, 2, 3, 4, 5Output :5, 4, 3, 2, 1Input : 10, 20, 30, 40Output : 40, 30, 20, 10To know abo ...read more

Technical Scripter 2018

Java-Array-Programs

Implement a stack using singly linked list

Last Updated: 14 April 2023

To implement a stack using the singly linked list concept, all the singly linked list operations should be performed based on Stack operations LIFO(last in first out) and ...read more

Linked List

Stack

Technical Scripter

Technical Scripter 2018

DSA

Convert Double to Integer in Java

Last Updated: 30 August 2022

Given a Double real number. Write a Java program to convert the given double number into an Integer (int) in Java.Examples:Input: double = 3452.234Output: 3452Input: doubl ...read more

Java

Technical Scripter

Java Programs

Technical Scripter 2018

Initialize an ArrayList in Java

Last Updated: 28 February 2023

ArrayList is a part of collection framework and is present in java.util package. It provides us dynamic arrays in Java. Though, it may be slower than standard arrays but c...read more

Technical Scripter 2018

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