Shikha Chaudhary

howto · 2025-03-04

How to Fix NLTK Stemming Anomalies in Python

In this article, we will learn about stemmers in Python. We will look at various stemmers like the Porter Stemmer, Snowball Stemmer, and Lancaster Stemmer along with the anomalous results they sometimes give with certain words. We will see why this happens and will solve the issue by using the WordNet Lemmatizer in Python.

howto · 2025-02-23

How to Solve the TypeError: Nonetype Object Is Not Subscriptable in Python

In this article, we will discuss why the TypeError: NoneType object is not subscriptable occurs in Python and how to fix it. We will learn how the incorrect use of methods like append(), sort(), and reverse() with sequence data types leads to this error.

howto · 2025-02-20

How to Read CSV Line by Line in Python

This article discusses how we can read a CSV file line by line in Python.

howto · 2024-02-16

Difference Between Const Int and Int Const in C++

In this article, we will see how const int is different from int const. We will discuss this in terms of simple variables as well as pointers. We will also discuss the basics of the constant keyword of C++ along with various working examples.

howto · 2024-02-16

The const Keyword in Function Declaration of Classes in C++

This article will explain to you all about the const member functions of C++. You will learn about its use and how it differs from a usual member function. We will also learn how a const member function is used with const and non-const objects. Also, we will see the exceptional case arising from using a mutable keyword with a data member.

howto · 2024-02-16

Declaration and Uses of unique_ptr in C++

In this article, we will learn about the declaration and use of a unique_ptr in C++. We will learn about the various declarations and the features that the unique_ptr provides. As we go over the features, we will also see how these pointers are different from raw pointers and what makes them useful.

howto · 2024-02-15

How to Check if a Python Object Has Attributes

There are 2 main methods that can be used to check if a Python object has attributes; the hasattr() function and the getattr() function.

howto · 2024-02-14

How to Fix Java Error: Scanner NextLine Skips

This article discusses why do the Java Scanner NextLine skips occur and how to fix it

howto · 2024-02-12

How to Extend a Class in Python

This article will discuss extending a Python class. We will learn the concept of inheritance in detail and the use of the super function. We will also learn how to add new methods and attributes to a child class in Python.

howto · 2024-02-12

Arrow Operator vs. Dot Operator in C++

In this article, we will study the difference between the dot and the arrow operators in C++. We will also cover the basics of the dot and the arrow operators of C++ to see how they differ from each other.

howto · 2024-02-12

How to Solve Expression Must Have Class Type Error in C++

In this article, we will discuss the expression must have class type error in C++. We will see how the use of the dot operator causes this error to occur. We will also see how we can fix the error by using the arrow operator and by initializing the object of a class without using the new operator.

howto · 2024-02-02

How to Check if String Contains Numbers in Java

This article discusses the various ways in which we can find a number from a string in Java.

howto · 2024-02-02

The Class Decorator in Python

This article discusses the different concepts of class decorator and its process on how to use it in Python.

howto · 2024-02-02

How to Handle the Python Assertion Error and Find the Source of Error

In this article, we learn how we can handle the assertion error of Python in different ways. We also see ways to identify the statement that raises this error.

howto · 2024-02-02

How to Convert Python Object to Iterator

This article discusses the idea of iterators in Python and converting an object to iterator using the __iter__() and __next__() method.

howto · 2024-02-02

How to Check if String Is Palindrome in Java

In this article, we will go through the different ways in Java in which we can find if a string is a palindrome or not. We will use concepts like two pointers, string reversal, and recursion to find the solution.

howto · 2024-02-02

How to Take Input of Unspecified Length in Python

In this tutorial, we will see how we can take inputs in Python when we don't know the input length. We will see how this is done using the while loop, sys module, and a function that works like the cin statement of C++.

howto · 2024-02-02

How to Pass a List to a Function in Python

This article discusses how we can pass a list to a function in Python. We will also see how passing a list to a function in Python is different from unpacking a list.

howto · 2024-02-02

How to Take Screenshots Using Python

In this article, we will learn how to take screenshots with the help of the Python language. We will discuss the use of pyautogui, pillow, and pyscreenshot modules.

howto · 2024-02-02

How to Check if an Array Contains an Element in C++

In this article, we will discuss the various approaches to check if an array contains an element in C++. We will see how a simple loop can be used to do this. Also, we will be using some algorithms and functions from the C++ standard library that can help us do the same.

howto · 2024-02-02

How to Solve the TypeError: Not All Arguments Converted During String Formatting in Python

In this article, we will discuss the various reasons that lead to TypeError: Not all arguments converted during string formatting in Python. We will learn about the old- and new-style of string formatting methods and how mixing them gives the TypeError. We will also see how incorrect data types and absent format specifiers lead to this error.

howto · 2024-02-02

How to Calculate Exponent Without Using pow() Function in C++

In this article, we will see how we can calculate the exponent of a number in C++ without using the pow() function. We will make use of for and while loops to do the same. Along with that, we will also discuss a recursive solution to calculate the power of a number in C++.

howto · 2024-02-02

How to Convert Roman Numerals to Integers in Python

This article discusses how to convert roman numerals to integers in Python. We will use Python if statements to do this. We will also explore a few more ways to change roman numerals to integers in Python.

howto · 2023-12-11

Function Returns the Address of a Local Variable Error in C++

This article will talk about the function returns the address of a local variable error in C++. We will see how accessing the address of a local variable outside its scope leads to this error. We will also discuss the use of a dynamic memory allocation to fix this issue.

howto · 2023-12-10

Class Field and Instance Field in Java

In this article, you will learn some Java terms, class field and an instance field.

howto · 2023-10-26

Difference Between .Java and .Class Files in Java

This article discusses the difference between .java and .class file extensions in Java and how a simple Java program runs.

howto · 2023-10-12

File Path in Java

This article discusses the ways in which we can specify the path of a file in Java.

howto · 2023-10-12

The pack() Method in Java

This article discusses the use of .Pack() method in Java.

howto · 2023-10-12

Calendar Date in YYYY-MM-DD Format in Java

This article discusses the various ways in which we can convert the calendar date to YYYY-MM-DD format in Java.

howto · 2023-10-12

Operator Overloading in Java

This article discusses whether Java supports operator overloading or not.

howto · 2023-10-12

Anonymous Inner Class in Java

This article talks about the Anonymous Inner class in Java and how it is useful.

howto · 2023-10-12

Maximum and Minimum Value From a Vector in C++

In this article, we will learn how we can get the minimum and maximum value from a vector in C++. We'll use a for loop to do that and will also look at some library functions like std::min_element, std::max_element, and std::minmax_element.

howto · 2023-10-10

Insertion Sort Algorithm in Python

This article discusses the concept of Insertion Sort in Python. It also discusses the other features and complexity along with its code.

howto · 2023-10-10

Global Variables and How to Change From a Function in Python

In this python article, we will learn about global variables and global keywords in Python. We will discuss how to change a global variable from a function in Python. We will also learn how we can create and access a global variable.

howto · 2023-01-30

Difference Between .cc and .cpp File Extensions in C++

In this article, we are going to talk about how the .cc and .cpp file extensions of C++ are different. We will see what is common in them and what sets them apart based on conventions, historical preferences and origin, etc. We will also discuss the very basics of these two file extensions.