Walter Onyango

@Waltertaya

Software engineer, Backend Developer, AI/ML

Nairobi, KenyaJoined March 2024

About

I am Software Engineer, Backend Developer and Machine Learning enthusiast from Nairobi, Kenya.

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Walter Onyango's blogs

RESTful API with Flaskwaltertaya.hashnode.dev1 post

N + 1 Query Problem and How to solve itwaltertayarg.hashnode.dev1 post

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Recently published

WOWalter Onyangowaltertayarg.hashnode.devSep 19, 2025 · 2 min read

N + 1 Query Problem and the Solution

What is N + 1 problem? In simple terms, the N + 1 query problem happens when you: Run 1 query to fetch a list of records Then, for each of those N records, you run another query. That’s why it’s called N + 1: one main query plus N additional quer...

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WOWalter Onyangowaltertaya.hashnode.devMar 30, 2024 · 16 min read

RESTful API with Flask

What is Rest? Rest is short form of REpresentational State Transfer. Access the full code Before Diving deep into Rest or Restful API, do you understand what is an API (Application Programming Interface)? An API is a set of definitions and protocols ...

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Walter Onyango

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Walter Onyango's blogs

Recently published

N + 1 Query Problem and the Solution

RESTful API with Flask

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Walter Onyango

About

Available for

Walter Onyango's blogs

Recently published

N + 1 Query Problem and the Solution

RESTful API with Flask