Installation of Elasticsearch


Step by Step instructions on how to install elasticsearch Elasticsearch is an open-source, RESTful, distributed

Python Basics


This is a crash course on Python. What’s different, few examples etc Lets just get

Anaconda Python Installation


Step by Step instructions on how to install Anaconda and Jupyter notebook Though there are

MongoDB – Projection


Projection means asking the DB to get only the values that we are interested in.

MongoDB Remove Document


To understand how to insert a document, you can go though http://whatthetech.co/mongoose-insert-document-using-insertmany-using-node-js/ Let us first

Mongoose Insert Document using insertMany using Node.JS


Continuing from our previous post http://whatthetech.co/mongodb-with-nodejs-using-mongoose-connection/, let us now see how we can use insertMany

MongoDB with Nodejs using Mongoose – Connection


MongoDB is an opesource document database. To being, goto https://docs.mongodb.com/manual/installation/ and follow the instructions given

Javascript Promises using Bluebird


In http://whatthetech.co/promises-in-javascriptnode-js/ and http://whatthetech.co/promises-in-javascript-and-node-js-part-2-using-promise-all-and-javascript-map/ we understood what promises are and how to use them. If

Promises in Javascript and Node.JS – Using Promise.all


In this blog, we will try and understand how to use Promise.all and JS map

Promises in Javascript/Node.JS


A Promise in Javascript/Node.JS is used for asynchronous programming. This can be used as an