## Some time-saving tips for Linux Users

Are you making most out of the Linux? There are lots of helpful features which appears to be time saving Tips and Tricks for many… Read More »

## What happens when we turn on computer?

A computer without a program running is just an inert hunk of electronics. The first thing a computer has to do when it is turned… Read More »

## Hygienic Macros : An Introduction

We are all familiar with the working of macros in languages like C. There are certain situations in which macro expansions can lead to undesirable… Read More »

## Determine the type of an image in Python using imghdr

Suppose you are given an image type file and you need to determine the type of that file. In simple words, you need to get… Read More »

## Amazon Interview Experience | Set 338 (1st Round for SDE-1 in Delhi)

1st Round – Pen and Paper http://www.geeksforgeeks.org/boundary-traversal-of-binary-tree/ http://www.geeksforgeeks.org/print-possible-strings-can-made-placing-spaces/ http://www.geeksforgeeks.org/sum-of-two-linked-lists/   If you like GeeksforGeeks and would like to contribute, you can also write an article… Read More »

## Amazing stuff with system() in C / C++

system() plays a very special role in executing Operating System Commands. By using this library function we can run all those terminal commands that our… Read More »

## Maximum number of 2×2 squares that can be fit inside a right isosceles triangle

What is the maximum number of squares of size 2×2 units that can be fit in a right angled isosceles triangle of a given base… Read More »

## Find an equal point in a string of brackets

Given a string of brackets, the task is to find an index k which decides the number of opening brackets is equal to the number… Read More »

## Check if the door is open or closed

Given n doors and n persons. The doors are numbered 1 to n and persons are given id’s numbered 1 to n. Each door can… Read More »

## Send mail from your Gmail account using Python

Here, we are going to learn how to send a simple basic mail using Python code. Python, being a powerful language don’t need any external… Read More »

## Java Interview Questions on Constructors

What is a Constructor? Constructors are used to initialize the object’s state. Like methods, a constructor also contains collection of statements(i.e. instructions) that are executed… Read More »