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MongoDB

How Scala interacts with MongoDB

Reading Time: 2 minutes As a definition, MongoDB is an open source database that uses a document-oriented data model and a non-structured query language. It is one of the most powerful NoSQL systems and databases around today. Being a NoSQL tool means it does not use the usual rows and columns that we so much associated with the relational database management. It is an architecture that is built on Continue Reading

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MEAN Stack: Introduction – Part 1

Reading Time: 2 minutes MEAN Stands for M – Mongo DB (database system) E – Express (back-end framework) A – Angular.js (front-end framework) N – Node.js (back-end runtime environment) What is MEAN? MEAN is a full-stack JavaScript solution that helps you build fast, robust, and maintainable production web applications. The stack used in mean is: Mongo DB: Mongo DB is an open-source, document database designed for ease of development and scaling. It is Continue Reading

CRUD in NodeJs with MongoDB: Explanations

Reading Time: 3 minutes Here we are, in this post we are going to create a CRUD application in NodeJs with mongoDB as database and ejs as a templating engine. You can download the application from here: github Before diving in to this post please checkout my previous post, then you will get to know why i choose ejs as a templating engine. In next post we will use Continue Reading

Akka Persistence using MongoDB – Part I

Reading Time: 3 minutes Akka is a powerful actor based tool kit for Concurrency, Parallelism and Clustering. But for every concurrent applications, Akka actors are not fit because Futures are another alternative for performing Concurrency. Most of the developers follow simple rules for using Future and Actors is “Futures for Concurrency, Actors for State“. In concurrent applications most of the time we are facing race conditions and deadlocks. Because Continue Reading

Templating in NodeJs with simple signup example with MongoDB

Reading Time: 3 minutes In this blog we will see the comparison of different NodeJs templating engines as well as we will go through the basics of NodeJs then we will create a signup application in NodeJs with MongoDB as backend. If you are starting with NodeJs from this blog post, you are right place, when i started NodeJs previous week and tried some examples i got into the Continue Reading

TITAN DB SETUP WITH CASSANDRA

Reading Time: 4 minutes TITAN DB SETUP WITH CASSANDRA CONNECT AND CONFIGURATION OF TITAN-DB WITH CASSANDRA:- Step 1: Download Cassandra Version: apache-cassandra-3.5 . Downlaod TitanDB Version: titan-1.0.0-hadoop1. Step 2 : Extract both downloads ,say in :- /var/lib/cassandra and /var/lib/titan respectively. Step 3: Configure cassandra: If you’ve installed Cassandra with a deb or rpm package, the directories that Cassandra will use should already be created an have the correct permissions. Otherwise, Continue Reading

Classic CRUD application in Play Framework 2.3.0 with ReactiveMongo, WebJars and Bootswatch-United

Reading Time: < 1 minute Play 2.3.0 application with ReactiveMongo – reactive, asynchronous and non-blocking Scala driver for MongoDB. This is a classic CRUD application, backed by a MongoDB database. It demonstrates: Achieving, Futures to use more idiomatic error handling. Accessing a MongoDB database, using ReactiveMongo. Achieving, table pagination and sorting functionality. Replaced the embedded JS & CSS libraries with WebJars. Play and Scala-based template engine implementation Bootswatch-United with Twitter Continue Reading

Show Online Friends using Node.js with Nice UI Interface

Reading Time: < 1 minute Last month, we created a login demo template in Node.js and MongoDB. We also added signUp with Facebook, Twitter and google. So that user would not need to signup manually. We added profile management feature with a nice UI interface. So that uses could modify his profile detail along with his photo. We have used MongoDB for this application. We added Friend List management with Continue Reading

Making Friend-List in Node.js and MongoDB using Autocomplete

Reading Time: 2 minutes Last week, we created a login demo template in Node.js and MongoDB. We also added signUp with FaceBook, Twitter and google. So that user would not need to signup manually. We added profile management feature with a nice UI interface. So that uses could modify his profile detail along with his photo. Now we have added one more feature Friend List management with auto-complete functionality. Continue Reading

Profile Management with Nice UI Interface in Node.js and MongoDB

Reading Time: < 1 minute Last week, we created a login demo template in Node.js and MongoDB. We also added signUp with FaceBook, Twitter and google. So that user would not need to signup manually. Now we have added profile management feature with a nice UI interface. Now uses can modify his profile detail along with his photo. This is demo template, which can be used as a starting point Continue Reading

Sign-Up with Facebook, Twitter and Google using Node.js and MongoDB

Reading Time: < 1 minute Last week, we created a simple login application, which has sign up and login facility after successfully registration. Now we have added one more feature, i.e. Sign-up with Facebook, Twitter and Google. You can login with your facebook, twitter and google account. We’ll be adding some more features in this application very soon such as birthday reminder functionality. We have used Passport[authentication middleware for Node.js] Continue Reading

Easiest Way to Implement JOINs in MongoDB 2.4

Reading Time: 2 minutes Last year, I wrote a blog to implement JOINs in MongoDB. But this solution was applicable only for versions below Mongo 2.4. According to the release log of 2.4, this feature is removed. We could not use another collection on map reduce, which is invoked against a particular collection. Earlier it was permitted. MongoDB is a no-SQL database and doesn’t support joins. But if you Continue Reading

A Simple Login Application in Node.js and MongoDB

Reading Time: < 1 minute Node.js, a software platform, built on google chrome runtime. It uses v8, the same run time environment, that google chrome uses. It is one of the best plateform to easily build scalable network applications(especially server-side). We have created Node.js Login Template with a nice User Interface. If you want to use Node.js as plateform and MongoDB as Database then this demo project can be used Continue Reading

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