All Basic Articles

Remove first node of the linked list

Given a linked list, the task is to remove the first node of the linked list and update the head pointer of the linked list. … Read More

Technical Scripter 2018

DSA

Linked List

Technical Scripter

Constructors in Python

Prerequisites: Object-Oriented Programming in Python, Object-Oriented Programming in Python | Set 2 Constructors are generally used for instantiating an object. The task of constructors is to… Read More

Picked

Python

Check whether bitwise OR of N numbers is Even or Odd

Given an array arr[] containing N numbers. The task is to check whether the bitwise-OR of the given N numbers is even or odd. Examples: … Read More

Bitwise-OR

Technical Scripter 2018

Analysis of Algorithms

Arrays

Bit Magic

DSA

Technical Scripter

Unpacking a Tuple in Python

Python Tuples In python tuples are used to store immutable objects. Python Tuples are very similar to lists except to some situations. Python tuples are… Read More

python-tuple

Python

How to remove all white spaces from a String in Java?

Given a string with white spaces, the task is to remove all white spaces from a string using Java built-in methods. Examples: Input: str =… Read More

Java-Strings

DSA

Java Programs

Strings

Python | range() does not return an iterator

range() : Python range function generates a list of numbers which are generally used in many situation for iteration as in for loop or in… Read More

python-basics

Python-Functions

Python

Nested List Comprehensions in Python

List Comprehension are one of the most amazing features of Python. It is a smart and concise way of creating lists by iterating over an… Read More

Picked

python-list

Technical Scripter 2018

Python

Technical Scripter

Method within method in java

Java does not support “directly” nested methods. Many functional programming languages support method within method. But you can achieve nested method functionality in Java 7… Read More

Java-Functions

Technical Scripter 2018

Java

Technical Scripter

Count triplets (a, b, c) such that a + b, b + c and a + c are all divisible by K

Given two integers ‘N’ and ‘K’, the task is to count the number of triplets (a, b, c) of positive integers not greater than ‘N’… Read More

Arrays

DSA

Searching

Check if a given tree graph is linear or not

Given a tree check if it is linear or not. 1 / \ 2 3 Linear as we can form a line 2 1 3… Read More

java-LinkedList

DSA

Graph

Tree

Python | Pandas Dataframe.at[ ]

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… Read More

Python pandas-dataFrame

Python pandas-dataFrame-methods

Python-pandas

Python

Python | Lemmatization with NLTK

Lemmatization is a fundamental text pre-processing technique widely applied in natural language processing (NLP) and machine learning. Serving a purpose akin to stemming, lemmatization seeks… Read More

python

AI-ML-DS

Machine Learning

NLP

numpy.squeeze() in Python

numpy.squeeze() function is used when we want to remove single-dimensional entries from the shape of an array. Syntax : numpy.squeeze(arr, axis=None ) Parameters : arr… Read More

Python numpy-arrayManipulation

Python-numpy

Python

Why import star in Python is a bad idea

Using import * in python programs is considered a bad habit because this way you are polluting your namespace, the import * statement imports all… Read More

Picked

Technical Scripter 2018

Python

Technical Scripter

How to sort TreeSet in descending order in Java?

Given a TreeSet in Java, task is to sort elements of TreeSet in Descending Order (descreasing order).Examples: Input : Set: [2, 3, 5, 7, 10,… Read More

Java-Collections

Java-Set-Programs

java-treeset

Java

Java Programs

Technical Scripter

Python Program to check if given array is Monotonic

Given an array A containing n integers. The task is to check whether the array is Monotonic or not. An array is monotonic if it… Read More

Arrays

DSA

Greedy

Python Programs

Python program to find uncommon words from two Strings

Given two sentences as strings A and B. The task is to return a list of all uncommon words. A word is uncommon if it… Read More

DSA

Pattern Searching

Python Programs

Strings

How to get ArrayList from Stream in Java 8

Given a Stream, the task is to convert this Stream into ArrayList in Java 8. Examples: Input: Stream: [1, 2, 3, 4, 5] Output: ArrayList:… Read More

Java-ArrayList

Java-List-Programs

java-stream

Java-Stream-programs

Java

Difference between Structured, Semi-structured and Unstructured data

Big Data includes huge volume, high velocity, and extensible variety of data. There are 3 types: Structured data, Semi-structured data, and Unstructured data. Structured data… Read More

BigData

DBMS

Difference Between

GBlog

Minimum and Maximum prime numbers in an array

Given an array arr[] of N positive integers. The task is to find the minimum and maximum prime elements in the given array. Examples: Input:… Read More

Prime Number

sieve

Technical Scripter 2018

Arrays

DSA

Technical Scripter