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AfterAcademy Tech

Check if two strings are anagrams of each other - Interview Problem

Given two strings S1 and S2 of size m and n respectively, you need to check whether the two strings are an anagram of each other or not. S1 is an anagram of S2 if the characters of S1 can be rearranged to form S2.

08 Oct 2019

AfterAcademy Tech

Find minimum and maximum value in an array - Interview Problem

Given an array A[] of size n, you need to find the maximum and minimum element present in the array.Your algorithm should make minimum number of comparisons.

06 Oct 2019

AfterAcademy Tech

Longest Consecutive Sequence - Interview Problem

Given an unsorted array A[] consisting of n integers, you need to find the length of the longest consecutive sequence of integers in the array.

04 Oct 2019

AfterAcademy Tech

Blocking and Non-Blocking in Node.js - Asynchronous Operations and Callbacks

Asynchronous coding paradigm enables us to write non-blocking code. This makes the single threaded Javascript run with efficiency. A single thread is like an execution that can do only one thing at a time.

03 Oct 2019

AfterAcademy Tech

Introduction to Node.js - How Node.js works?

In this article we will explore the core structures of the Node.js architecture. Node.js is a popular framework for building backend systems (network applications) which can scale very well. Node.js is a Javascript runtime based on Chrome V8 engine.

03 Oct 2019

AfterAcademy Tech

Find the intersection of two unsorted arrays - Interview Problem

Given two integer arrays A[] and B[] of size m and n, respectively. We need to find the intersection of these two arrays. The intersection of two arrays is a list of distinct numbers which are present in both the arrays. The numbers in the intersection can be in any order.

01 Oct 2019

AfterAcademy Tech

Check for pair in an array with a given sum - Interview Problem

Write a program that, Given an array of n integers and given a number K, determines whether or not there exist two elements whose sum is exactly K.

27 Sep 2019

AfterAcademy Tech

Find whether an array is a subset of another array - Interview Problem

Given two integer array A[] and B[] of size m and n(n <= m) respectively. We have to check whether B[] is a subset of A[] or not. An array B is a subset of another array A if each element of B is present in A. (There are no repeated elements in both the arrays)

25 Sep 2019

AfterAcademy Tech

Most used Javascript ECMAScript 2015 (ES6) and ECMAScript 2016 (ES7) features

ES6 brought the most profound changes to the javascript. It completely reshaped the way we approach to javascript. ES7 was a tiny update on top of ES6. Let’s see the changes that were brought in the ES6 update.

27 Jul 2017

AfterAcademy Tech

How to convert your laptop/desktop into a server and host internet accessible website on it: Part 2

This is the part 2 of the article series on hosting a website on the internet using your own laptop. In part 1 we developed the concepts of internet structure and functionings.

09 Jun 2017