Operating System Interview Questions

Operating System Interview Questions What is Operating System?The operating system is a software program that facilitates computer hardware to communicate and operate with the software applications and it acts as an interface between the user and the computer hardware. It is the most important part of a computer system without it computer is just like a box.What is Deadlock?Deadlock is a situation when two or more processes wait for each other to finish and none of them ever finish. Consider an example when two trains are coming toward each other...

Read More

Ruby On Rails Objective type Questions and Answers for experienced

1. What is bundler?a) rails generate scaffold User name:string email:stringb) self-contained bundles of gems. Useful for versioning.c) Edit Gemfile, then run ‘bundle install’ or just ‘bundle’.d) Ruby Version Manager. Install and manage multiple versions of Ruby.Ans: C2. What is gemset?a) self-contained bundles of gems. Useful for versioning.b) self-contained packages of Ruby codec) Ruby Version Manager. Install and manage multiple versions of Ruby.d) rails generate scaffold User name:string email:stringAns: A3. What is gem?a) rails generate scaffold...

Read More

Remove last two characters from given string using slice

#Remove last #two #characters from given string using #slice in #javascript. There are some more methods to remove last two characters. var fruits = ["Orange", "Strawberry", "Banana", "Orange", "Mango"]; var myBest = fruits.slice(-3, -1); For more follow this link. http://www.atozexams.com/example/java-script/remove-last-two-characters-from-given-string-using-24.html ...

Read More

Node Js Tutorials

Node Js Tutorials Node.js - Introduction Node.js - Installations Node.js - First Application Node.js - NPM (Node Package Manager) Node.js - Callbacks Concept Node.js - Event Loop Node.js - Event Emitter Node.js - Buffers Node.js - Streams Node.js - File System Node.js - Global Objects Node.js - Utility Modules Node.js - Web Module Node.js - Express Framework Node.js - RESTful API ...

Read More

Node.js - RESTful API

Node.js - RESTful API What is REST architecture? REST stands for REpresentational State Transfer. REST is web standards based architecture and uses HTTP Protocol. It revolves around resource where every component is a resource and a resource is accessed by a common interface using HTTP standard methods. REST was first introduced by Roy Fielding in 2000. A REST Server simply provides access to resources and REST client accesses and modifies the resources using HTTP protocol. Here each resource is identified by URIs/ global IDs. REST uses various...

Read More