Introduction There are many ways to optimize your code to achieve more efficiency, and reducing running processes is one of them. In this article, we are going to see how we can optimize a Go code by reducing duplicate processes using one of the Go packages, Singleflight. Problem Let’s say you have…

How sending the unnecessary offer can costs up to $500,000+ per year — Introduction Four months ago, I decided to start the Udacity Nanodegree Program and I have learnt so much since then. The course covers all of the materials that you need to become a Data Scientist. At the end of the program, each student required to finish the Capstone Project. I chose…

Web scraping and Google Text-to-Speech API to the rescue — Introduction Since I have a lot of free time at home due to the Covid-19 outbreak, I tried to learn a new skill. Last week I decided to start learning Hangeul (Korean alphabet). In order to read and speak Korean language you need to understand Hangeul first, but sometimes the way…

Countries with the highest job satisfaction and more analysis — Introduction Every year from 2011, Stack Overflow conducted a survey to be able to know better the IT landscape from the perspective of developers. …

Do you have repetitive tasks? Something that you do regularly, every week or even every day? Reporting might be one of your weekly or daily tasks. You query or ask for the data, and do some visualizations, then give it to your boss. …

Imagine you are a product owner who wants to know what people are saying about your product in social media. Maybe your company launched a new product and you want to know how people reacted to it. You might want to use a sentiment analyzer like MonkeyLearn or Talkwalker. But…

Imagine this, there is a message bot that will send you a random cute dog image whenever you want, sounds cool right? Let’s make one! For this tutorial, we are going to use Python 3, python-telegram-bot, and public API RandomDog. At the end of this tutorial, you will have a…