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GATE | Gate IT 2007 | Question 11

Let a memory have four free blocks of sizes 4k, 8k, 20k, 2k. These blocks are allocated following the best-fit strategy. The allocation requests are… Read More

Gate IT 2007

GATE-Gate IT 2007

GATE

OpenCV Python Program to blur an image

Note: This post contains codes that cannot be run using an online compiler. Please make sure that you have Python 2.7 and cv2 module installed… Read More

Image-Processing

OpenCV

Python-OpenCV

Project

Python

GATE | GATE IT 2006 | Question 48

The characters a to h have the set of frequencies based on the first 8 Fibonacci numbers as follows a : 1, b : 1,… Read More

GATE IT 2006

GATE-GATE IT 2006

GATE

OpenCV C++ Program to blur an image

The following is the explanation to the C++ code to blur an Image in C++ using the tool OpenCV. Things to know: (1) The code will only… Read More

Image-Processing

C++

Project

Demystifying Machine Learning

Machine Learning”. Now that’s a word that packs a punch! Machine learning is hot stuff these days! And why won’t it be? Almost every “enticing”… Read More

AI-ML-DS

Computer Subject

Machine Learning

Project

Puzzle 43 | Muddy Heads

A mother tells her two children, a boy and a girl, to play without getting dirty. However, while playing, both children get mud on their… Read More

Logical Puzzles

Puzzles

Strategy Design Pattern Example and Implementation

In our previous discussion Strategy Design Pattern, we explored the Strategy Design Pattern, a powerful tool in software design. We learned what it is, its… Read More

Design Pattern

System Design

Convert String to int in C++

Converting a string to int is one of the most frequently encountered tasks in C++. As both string and int are not in the same… Read More

CPP-Library

cpp-string

cpp-stringstream

C++

Puzzle 42 | (Placing the numbers)

Place the numbers 1, 2, 3, 4, 5, 6, 7, 8 into the eight circles in figure given below, in such a way that no… Read More

Arrangement Puzzles

Puzzles

Balance a Binary Search Tree

Given a BST (Binary Search Tree) that may be unbalanced, convert it into a balanced BST that has minimum possible height. Examples : Input: 30… Read More

Binary Search Tree

DSA

Tree

Fifth root of a number

Given a number, print floor of 5’th root of the number.Examples: Input : n = 32 Output : 2 2 raise to power 5 is… Read More

Algorithms

DSA

QA – Placement Quizzes | Percentages | Question 1

John earns 33.33% more than Peter. By what percentage is Peter’s earning less than that of John’s? (A) 22 % (B) 25 % (C) 26… Read More

Percentages

QA - Placement Quizzes

QA - Placement Quizzes-Percentages

QA – Placement Quizzes

Fill in the Blanks Quiz (Questions & Answer)

The questions from this section are generally of two types : One / Two blanks – In these type of questions, we are given a… Read More

English - Placements

Placements

Quick ways to check for Prime and find next Prime in Java

Many programming contest problems are somehow related Prime Numbers. Either we are required to check Prime Numbers, or we are asked to perform certain functions… Read More

Prime Number

Competitive Programming

DSA

Java

Bitwise Hacks for Competitive Programming

Prerequisite: It is recommended to refer Interesting facts about Bitwise Operators How to set a bit in the number ‘num’: If we want to set… Read More

Bitwise-XOR

C++

Competitive Programming

DSA

Decorator Pattern | Set 3 (Coding the Design)

We have discussed Pizza design problem and different naive approaches to solve it in set 1. We have also introduced Decorator pattern in Set 2.… Read More

Design Pattern

System Design

Decorator Design Pattern in JavaScript

The Decorator Design Pattern in JavaScript is a structural design pattern that allows behavior to be added to individual objects dynamically, without affecting the behavior… Read More

Design Pattern

System Design

SAP Labs Interview Experience | Set 23 (Pool Campus)

Hey guys, a pool campus drive for North-East India has been conducted by SAP Labs India in Guwahati, Assam. The selection process is divided into… Read More

SAP Labs

Experiences

Interview Experiences

Decorator Design Pattern

The Decorator Design Pattern is a structural design pattern that allows behavior to be added to individual objects dynamically, without affecting the behavior of other… Read More

Design Pattern

System Design

Puzzle 41 | (Guess Color of Hat)

There are 20 people standing in a line, one behind the other. Each is made to wear a hat, which can either be white or… Read More

Logical Puzzles

Puzzles