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Andrei Kaleshka

I love Ruby, passionate about clean soft architecture, code performance, readability, simplicity, and maintainability. All of that allows me to build applications with minimum price but maximum value.

Cheaper and Risk-Free Ruby on Rails App Redesign

Cheaper and Risk-Free Ruby on Rails App Redesign

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4 min read

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Select unique latest grouped records from DB

Select unique latest grouped records from DB

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5 min read
Use timestamp for predicates in Rails

Use timestamp for predicates in Rails

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3 min read
Optimize Rails app performance with ChatGPT

Optimize Rails app performance with ChatGPT

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5 min read
How to write SQL query in Ruby On Rails

How to write SQL query in Ruby On Rails

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4 min read
Improve NextJS application performance

Improve NextJS application performance

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2 min read
Make your Ruby on Rails app 80x faster with SQL

Make your Ruby on Rails app 80x faster with SQL

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9 min read
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