All Basic Articles

## How to Convert String to Integer in Pandas DataFrame? 1.6

Let’s see methods to convert string to an integer in Pandas DataFrame: Method 1: Use of Series.astype() method. Syntax: Series.astype(dtype, copy=True, errors=’raise’) Parameters: This method… Read More »

## Count of pairs having each element equal to index of the other from an Array 1.5

Given an integer N and an array arr[] that contains elements in the range [1, N], the task is to find the count of all… Read More »

## Amazon Interview Experience (On-Campus for Internship 2019) 1

Amazon visited our campus for internship and full time. I took part in the internship drive and I am sharing my experience here. Round 1… Read More »

## Puzzle | Planning an Exhibition 1.5

Puzzle: A museum has an exhibition space of 16 rooms. There is a door between every pair of horizontally and vertically adjacent rooms. In addition,… Read More »

## ODBC Full Form 1

ODBC stands for Open Database Connectivity. It is an open standard Application Programming Interface also known as API which is used for accessing a database.… Read More »

## Morgan Stanley Interview (On campus Virtual) July 2020 1

Content Removed Write your Interview Experience or mail it to contribute@geeksforgeeks.org My Personal Notes arrow_drop_up Save

## Difference between Google and Microsoft 1

In 2020, Google and Microsoft are very well established and are known worldwide. Google and Microsoft, both are American multinational technology companies. They are known… Read More »

## Queries to check if any non-repeating element exists within range [L, R] of an Array 1

Given an array arr[] consisting of integers and queries Q of the form (L, R), the task is to check whether any non-repeating element is… Read More »

## Find the Mth element of the Array after K left rotations 1.5

Given non-negative integers K, M, and an array arr[] with N elements find the Mth element of the array after K left rotations. Examples: Input:… Read More »

## TCS Interview Experience – Codevita 2019 1

TCS organizes an online coding competition every year, named TCS Codevita. If you qualify in the first round, you will be invited for an interview… Read More »

## How to Make a Perfect Career When You Have No Idea what to Pursue? 1

One of the major problems among students is that they can’t figure out what they want to do until the completion of their college tenure,… Read More »

## Content of a Polynomial 1

Given an array arr[] which denotes the integer coefficients of the polynomial, the task is to find the content of polynomial.  Content of polynomials with… Read More »

## Amazon SDE Internship Interview Experience | On Campus-2019 1

AUG-2019 ROUND 1: It was a Computer Based Test Interview of 90 min. Difficulty : Medium. 3 TIMER SECTIONS : 1- Aptitude questions. 2- Debug… Read More »

## Specific Level Order Traversal of Binary Tree 1

Given a Binary Tree, the task is to perform Specific Level Order Traversal of the tree such that at each level print 1st element then… Read More »

## Rotate all odd numbers right and all even numbers left in an Array of 1 to N 1.7

Given a permutation arrays A[] consisting of N numbers in range [1, N], the task is to left rotate all the even numbers and right… Read More »

## Express.js express.json() Function 1

The express.json() function is a built-in middleware function in Express. It parses incoming requests with JSON payloads and is based on body-parser. Syntax: express.json( [options]… Read More »

## Basics of Batch Scripting 1

Batch Scripting consists of a series of commands to be executed by the command-line interpreter, stored in a plain text file. It is not commonly… Read More »

## Puzzle | Single Elimination Tournament 1.5

In a single-elimination tournament, such as the tennis Grand Slam championships – every losing player is immediately eliminated from the subsequent rounds until a single… Read More »

## Similarities and Difference between Java and C++ 1

Nowadays Java and C++ programming languages are vastly using in competitive coding. Due to some awesome features, these two programming languages mostly used in Industry… Read More »

## Learn Java on Your Own in 20 Days – Free! 1

Indeed, JAVA is one of the most demanding programming languages in the IT world. Statistically, there are around 7-8 million JAVA Developers across the world… Read More »