Blog

Razorpay Intro

By Robby 0 Comment October 10, 2017

Razorpay A quick and brief intro about Razorpay payment gateway. For why you choose Razorpay from Robert Robinson

Nodejs crud using Mysql

By Robby 2 Comments August 26, 2017

I have created a sample and basic crud operation using Nodejs with express js  https://github.com/Robertrobinson777/Nodejs-crud Download a project and type a command npm install Then SQL file is in project (student.sql) Change the user, passowrd, database name in app.js node app.js The project will run in http://localhost:7000/

Find a Median in Tables

By Robby 0 Comment July 13, 2016

The simplest query to find the Median SELECT x.val from table x, table y GROUP BY x.val HAVING SUM(SIGN(1-SIGN(y.val-x.val))) = (COUNT(*) +1)/2