What is Clustering? A Simple Approach
As you enjoy a hike in the mountains, you stumble upon a plant you have never seen before. You look around and you notice a few more. They are not…
Questions asked in Data Scientist Interviews Part 7
In this series we bring new Data Scientist Interview Questions. You can read other tutorials related to same topic on our website. What is Cross Validation? Cross-Validation in Machine Learning…
Installing the mongo-cxx-driver step by step
Step 1 : Download mongo-c-driver Step 2 : Updated GCC and G++ compiler after version 5 .current version 7 in system . Step 3 : Mongo-c-driver Version(1.15.x) version is same…
Install and Secure MongoDB 6.0 on CentOS 7
Step 1: Add the MongoDB Repository First, create a .repo file for MongoDB. This will make sure you can install the latest stable version of MongoDB. Create the repo file:…
Coalesce in SQL
Coalesce is a SQL function used for handling NULL values. It returns the first non-null expression from the list. Each expression is evaluated for being NULL or not and the…