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Oleg Stadnichenko
Oleg Stadnichenko

4 Followers

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Jun 8, 2021

This is why you shouldn’t use floats in financial system

Just imagine if you are using a calculator and trying to add two numbers 0.3 and 0.4, but the result is 0.6999999. I suppose you’ll throw such a calculator. In the world of computer software you could easily receive such results using float numbers. I’ll explain to you why it…

Development

3 min read

This is why you shouldn’t use floats in financial system
This is why you shouldn’t use floats in financial system
Development

3 min read


Published in

Geek Culture

·Jun 6, 2021

Don’t forget to check your Microservice

Over the past few years, I’ve been doing some deep-diving into the world of microservices. As a product developer, I’ve implemented a huge number of microservices. And everytime I need to be sure that I didn’t forget anything, so I’ve created a checklist for myself. And out of my list…

Programming

4 min read

Don’t forget to check Microservice
Don’t forget to check Microservice
Programming

4 min read


Published in

The Startup

·Jan 11, 2021

Create Your Own AR Application on Android

In this article I’ll give you understanding how to write Android application with effects on the face from camera in realtime. We will go through all the key points here: working with camera, finding face, finding points on the face and drawing result. Working with camera The first thing we need to do…

Android App Development

4 min read

Create Your Own AR Application on Android
Create Your Own AR Application on Android
Android App Development

4 min read


Dec 22, 2020

Android Gallery scrolling behind the scene!

I’m absolutely sure you have ever scrolled photos on the screen. Sometimes it worked pretty well and fast, sometimes… required patience. Well, did you think of the implementation? How does it work? In the nutshell, it’s a very complicated process! It requires heavy converting tasks in the background and putting…

Android

4 min read

Android Gallery scrolling behind the scene!
Android Gallery scrolling behind the scene!
Android

4 min read


Dec 7, 2020

Why NoSQL?

Today NoSQL databases are one of the most interesting topics. Sometimes people think that those databases are the best solution ever and could fix all their problems. When you need consistency or data isn’t very huge then you need a relational database. But when you need scalability, distributing and availability…

NoSQL

3 min read

Why NoSQL?
Why NoSQL?
NoSQL

3 min read


Nov 30, 2020

5 reasons to use gRPC

Communication between services is one of the critical parts of the system. A lot of factors depend on the decision: complexity of implementation, latency, throughput, etc. I’m going to tell you about technology that covers these aspects — it’s easy to implement and it gives you fast connection! Greetings, enters…

Software Development

3 min read

5 reasons to use gRPC
5 reasons to use gRPC
Software Development

3 min read


Nov 23, 2020

What should you know about the Load Balancer?

Today you can’t imagine any software without a lot of interactions. Whether it’s external calls, like browser’s requests to servers. Or internal communications between components in the system. That’s why routing traffic is becoming a very essential part of it. And thus you can’t create any new modern software system…

Programming

3 min read

What should you know about the Load Balancer?
What should you know about the Load Balancer?
Programming

3 min read


Nov 16, 2020

Optimize your database

Nowadays, relational databases are one of the most popular solutions for storing data. If you have a small storage and simple model — you’re probably starting with RDBMS while you design the system. But while your system is growing, you’re storing more and more data. In the end you can…

Database

5 min read

Optimize your database
Optimize your database
Database

5 min read


Nov 9, 2020

Coffee sessions with the team

Nowadays, it’s not possible to create a product by only one person. The time of one hero is already gone. It’s more productive when there’s a team on a specific product. And the most important thing here is communication within the team. The team should always understand short term and…

Agile

3 min read

Coffee sessions with the team
Coffee sessions with the team
Agile

3 min read


Nov 2, 2020

Why should you use microservices?

If you are a backend software developer, I’m pretty sure you heard the word microservice. You probably also heard the word monolith, which is used in contrast. So, when should you use microservices? I’m going to provide several reasons for it. First, let’s make a definition of the microservice. Microservices…

Software Development

3 min read

Why should you use microservices?
Why should you use microservices?
Software Development

3 min read

Oleg Stadnichenko

Oleg Stadnichenko

4 Followers

🚀 Technical Leader 📚 Like to share my knowledge 🎤 Public Speaker 🏠💻 Live and work in London https://github.com/oleg-sta

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