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NoSQL

Supun Dharmarathne in technodyne

Creating RESTfull API using node.js , express + mongoDB

restful-api-node-express-4-router

Supun Dharmarathne in technodyne

Node js Web application Development Part 3

Here is the sourcecode for the project : https://github.com/supun/NodeExpress

Writing to the database is not particularly difficult. Essentially we need to set up a route that takes a POST, rather than a GET. We could use AJAX…

Supun Dharmarathne in technodyne

Node js Web application Development Part 2

Here is the first part of this post. This post will demonstrate on how to connect your node js application into mongodb database.

Database :

Supun Dharmarathne in technodyne

NoSQL Concept and MongoDB

just-say-nosql

What is meant by NoSQL?

Supun Dharmarathne in technodyne

java web application with spark + freemarker + mongodb

Technologies used.

Maven
Spark framework
Freemarker template engine
Java 1.7
MongoDB

Supun Dharmarathne in technodyne

Installing MongoDB on linux

After trying several methods, i found the following way is much straight forward. Go to this link and install mongodb via that. Then open the terminal and do the followings.

$ - mkdir data

Supun Dharmarathne in technodyne

Multi — document update and atomicity in Mongodb

Documents updates in mongo are pretty straight forward when it comes to updating one document at a time.But updating multiple documents isn’t really that different, you just have to be aware of its pseudo-atomicity.

Supun Dharmarathne in technodyne

Storing images in your documentDB — MongoDB

MongoDB has special API called GridFS to manipulate the files. It stores the files as bit chunks with 256k. Then we can retrieve the bit sequence to a image again. Keep remember to create a separate namespace to store these image files. I have used a…

Supun Dharmarathne in technodyne

Simple CRUD operations with Java and MongoDB — Part 2

Previous post was hoe to do data insertion, and this is about how to do data updating and deleting. Just as the data insertion, the update also has four ways to do it

Simple updating (collection.update(new…

Supun Dharmarathne in technodyne

Simple CRUD operations with Java and MongoDB — Part 1

This post is about how to do basic CRUD operations using java and MongoDB.

There are 4 ways to insert document to MongoDB using java.

BasicDBObject