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Sergii Boiko

Sergii Boiko is a software engineer at Railsware*. His main scopes of interest are language design, scaling and troubleshooting. He likes to collect different pieces of knowledge about debugging and apply them for resolving pesky production issues.

handbook articles

Diversity and Inclusion at Railsware
January 23, 2025 6 min read
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Daria Roshchyna

, 

Elen Tsarova

Railswarian’s Journey
August 12, 2024 2 min read
Bonuses & Benefits
August 12, 2024 2 min read
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Daria Roshchyna

Collaborative Hiring Process
August 12, 2024 2 min read
Building Connections
July 15, 2024 2 min read
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Elen Tsarova

Reasons to Join Us
July 11, 2024 2 min read
How We Organize Work
July 11, 2024 7 min read
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Daria Roshchyna

How We Do Business
July 10, 2024 8 min read
Mission, Strategy, and Values
July 8, 2024 3 min read
How It All Started
July 8, 2024 4 min read

blog articles

New Level of Control with git rebase ‑‑onto
Sergii Boiko

Sergii Boiko

  • Engineering

New Level of Control with git rebase ‑‑onto
February 7, 2023 4 min read
Python for Machine Learning: Pandas Axis Explained
Sergii Boiko

Sergii Boiko

  • Engineering

Python for Machine Learning: Pandas Axis Explained
August 17, 2021 3 min read
Indexing and Slicing for Lists, Tuples, Strings, other Sequential Types in Python
Sergii Boiko

Sergii Boiko

  • Engineering

Indexing and Slicing for Lists, Tuples, Strings, other Sequential Types in Python
January 22, 2025 7 min read
Practical Machine Learning for Solving Real World Problems
Sergii Boiko

Sergii Boiko

  • Engineering

Practical Machine Learning for Solving Real World Problems
April 23, 2025 8 min read
Best Libraries and Tools to Start off with Machine Learning and AI
Sergii Boiko

Sergii Boiko

  • Engineering

Best Libraries and Tools to Start off with Machine Learning and AI
August 12, 2021 4 min read
Hideable React component using HOC
Sergii Boiko

Sergii Boiko

  • Engineering

Hideable React component using HOC
August 12, 2021 3 min read
Mocking ES6 module import with and without Dependency Injection
Sergii Boiko

Sergii Boiko

  • Engineering

Mocking ES6 module import with and without Dependency Injection
December 20, 2017 2 min read
Using Configurable Shared Examples in RSpec
Sergii Boiko

Sergii Boiko

  • Engineering

Using Configurable Shared Examples in RSpec
August 11, 2021 2 min read
Important overhaul Elixir did to Erlang to become appealing web-development tool
Sergii Boiko

Sergii Boiko

  • Engineering

Important overhaul Elixir did to Erlang to become appealing web-development tool
August 15, 2021 6 min read
Debugging Capybara: screenshot of error page on CircleCI
Sergii Boiko

Sergii Boiko

  • Engineering

Debugging Capybara: screenshot of error page on CircleCI
August 13, 2021 2 min read
Make AngularJS 1.0.7 work with Jasmine 2.0
Sergii Boiko

Sergii Boiko

  • Engineering

Make AngularJS 1.0.7 work with Jasmine 2.0
August 16, 2021 2 min read
Git Clean-up in Local and Remote Branches, Repositories
Sergii Boiko

Sergii Boiko

  • Engineering

Git Clean-up in Local and Remote Branches, Repositories
May 14, 2023 3 min read
Rails logging into several backends
Sergii Boiko

Sergii Boiko

  • Engineering

Rails logging into several backends
August 12, 2021 1 min read
Better Ruby: choosing convention for class methods definition
Sergii Boiko

Sergii Boiko

  • Engineering

Better Ruby: choosing convention for class methods definition
August 11, 2021 3 min read
Custom VCR matchers for dealing with mutable HTTP-requests
Sergii Boiko

Sergii Boiko

  • Engineering

Custom VCR matchers for dealing with mutable HTTP-requests
December 21, 2017 4 min read
Taming The Git-Daemon To Quickly Share Git Repository
Sergii Boiko

Sergii Boiko

  • Engineering

Taming The Git-Daemon To Quickly Share Git Repository
August 11, 2021 3 min read
Capistrano recipe for checking Travis CI build status
Sergii Boiko

Sergii Boiko

  • Engineering

Capistrano recipe for checking Travis CI build status
August 16, 2021 2 min read
Speeding up Authlogic login for Postgres and MySQL
Sergii Boiko

Sergii Boiko

  • Engineering

Speeding up Authlogic login for Postgres and MySQL
August 16, 2021 3 min read
Asynchronous Airbrake delivery – avoiding latency in application response time
Sergii Boiko

Sergii Boiko

  • Engineering

Asynchronous Airbrake delivery – avoiding latency in application response time
December 13, 2017 2 min read
yield-gotcha every Ruby developer should be aware of
Sergii Boiko

Sergii Boiko

  • Engineering

yield-gotcha every Ruby developer should be aware of
October 27, 2020 4 min read

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