today's top tech stories | curated by hackernoon.com 

the best tech stories published on hackernoon.com in the last 24 hours

Open Source Series: Documentation

By JeB 
or answering the what and how questions

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Cloud Home Automation Series Part 4: Connected Light Bulb using AWS, ESP32 & Arduino

By Ask Gourav Das 
Welcome to SIMPLE LEARNING AWS Cloud Home Automation, Zero to Hero Series. In the fourth part, we will create an automated system to make the home light bulb connected to the web using AWS, an ESP32 board, a relay module and Arduino Code. This is the last part of the series and here we will achieve our ultimate goal to Power ON the Light bulb with just one-click from anywhere, literally from anywhere even from the Antarctic as they got internet there. IoT empowers everyone to make life smarter & easier. Though this is just a beginning, if readers show up enthusiasm, I will make more tutorials where the primary focus is to teach from scratch and make cost-effective solutions [Do let me know on LinkedIn].

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How Restaurants Can Adapt to the Digital Economy

By Erik P.M. Vermeulen 
People are always amazed when they hear that I am also a restaurant owner. 

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Does Everyone Need a PWA to Attract More Visitors?

By Inna Levchenko 
The technical human-being was split into two fractions beyond the memory of man: web and mobile. Some folks say that the web-pages easier to use; others that the mobile apps make much headway so the web and browsers might pass into oblivion. This war would last forever if Alex Russell didn’t present one-box solution in 2015. More than 3 years have since passed.

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An Introduction to Docker and How It is Important for Sysadmins

By Damian Perera 
Ever since Docker went live in early 2013 it’s had a love-hate relationship with programmers and sysadmins. While some ‘experienced’ developers that I’ve talked to have a strong dislike for containerization in general (more on that later), there’s a reason why a lot of major companies including eBay, Twitter, Spotify and Lyft have reportedly adopted Docker in their production environments.

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My Advice As an Ex-Tech Recruiter to Self-Taught Programmers

By Angelica Dietzel 
As a former tech recruiter for some of the hottest tech startups in the Bay Area and NYC, I’ve seen first-hand what companies look for in candidates for software engineering, machine learning, data science, tech management, directorship and the like.

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How To Prevent Your Customers From Leaving And Win Back The Ones Who Left

By Mary 
I bet you have your own “gone customers’ cemetery” of those who once were with you, but have gone and are not planning to return. It’s sad, but you can’t give up: almost half of them are sure to be returned.

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WTF is Decentralized Finance or DeFi?

By Jernej Adamic 
1. Well kept billion dollar secret at your fingertips

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Integrate Java Database Versioning with Liquibase using MySQL [A Step by Step Guide]

By Tiago Melo 
Versioning database changes is as important as versioning source code. By using a database migration tool we can safely manage how the database evolves, instead of running a bunch of non versioned loose SQL files. In some frameworks like Ruby On Rails, database versioning occurs along the development. But when it comes to Java world, I don't see it happening so often.

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How To Survive The Journey of ERP Implementation At Your Business

By Lance Gutteridge 
So you want to implement an ERP system. As a manager you should be aware that ERP projects are uniquely difficult to control.

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5 Important Lessons I Learnt As A Software Engineer

By Mohammed Gadiwala 
Recently I completed 2 years as a full-time software engineer. I started working since December 2017 at a company name Hullo.ai which was a small 10 people startup where I had to work on a multitude of things. In my first month, I had to write a Go server and dockerize it. My learning curve for the first month was something like this.

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The Last Anomaly

By Ashif Shereef 
As Harry opened his eyes from the dreamless slumber, the first thing he noticed was Evelyn looking down at him. He was lying on her lap, on the ground. A peculiar orange glow, mostly from the sunset, was reflecting off from her golden hair. Her otherwise cheerful eyes were moist and blank – and he had never seen her so much without joy before. Her signature smile that she always flashed at him, from which happiness emancipated – had disappeared.

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