Zelenya

Developer Advocate & Haskell Engineer. Distilling functional programming for the good of all

Vancouver, British Columbia Joined on Jan 28, 2023 https://zelenya.com

Zelenya

Dec 30 '25

Functional takes on GoF design patterns

#functional #scala #oop #haskell

26 min read

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Zelenya

Jul 11 '25

Friction in programming and why FP isn’t mainstream

#functional #programming

7 min read

Zelenya

Mar 13 '25

Programming: Between industry and craft

#programming #career #learning

5 min read

Zelenya

Nov 30 '24

PureScript for Scala developers

#scala #purescript #functional #webdev

15 min read

Zelenya

Oct 30 '24

On “superiority” of (functional) programming and other labels

#functional

3 min read

Zelenya

Oct 1 '24

How to make a quick and pretty PureScript web app

#purescript #webdev #tailwindcss

2 min read

Zelenya

Sep 17 '24

Scala is one of the best ways to learn Haskell

#scala #haskell #functional

4 min read

Zelenya

Aug 27 '24

Scala for Haskell developers

#scala #haskell #functional

16 min read

Zelenya

Jul 15 '24

Haskell for Scala developers

#haskell #scala #functional

16 min read

Zelenya

Jun 25 '24

What Scala does better than Haskell and vice versa

#functional #haskell #scala

10 min read

Zelenya

Jun 9 '24

Functional-programming tier list

#functional #haskell #scala #ocaml

5 min read

Zelenya

May 6 '24

How I switched from Stack to Cabal

#haskell #functional #beginners #tooling

4 min read

Zelenya

Feb 29 '24

[Advanced] Error handling in FP

#functional #tutorial #learning

12 min read

Zelenya

Feb 1 '24

How to gently introduce an FP library

#scala #functional #tutorial

7 min read

Zelenya

Dec 20 '23

Unison: From 0 to Cloud

#unison #functional #distributedsystems #programming

8 min read

Zelenya

Nov 14 '23

How to introduce Haskell into your company

#haskell #tutorial #career

5 min read

Zelenya

Oct 25 '23

High-level overview of PureScript

#webdev #beginners #javascript #purescript

8 min read

Zelenya

Oct 3 '23

Okay, so which PostgreSQL library should I use with Haskell?

#haskell #postgres #functional #database

1 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: selda

#haskell #functional #postgres #database

5 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: rel8

#haskell #functional #postgres #database

6 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: opaleye

#haskell #functional #postgres #database

6 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: squeal

#haskell #functional #database #postgres

7 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: beam

#haskell #functional #database #postgres

7 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: persistent + esqueleto

#haskell #functional #database #postgres

6 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: hasql

#haskell #functional #database #postgres

7 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell: postgresql-simple

#haskell #functional #database #postgres

7 min read

Zelenya

Oct 3 '23

How to use PostgreSQL with Haskell. Elephantine library review 2023

#haskell #functional #database #postgres

4 min read

Zelenya

Aug 16 '23

Do your Values align with FP Values?

#functional #haskell #scala #rust

12 min read

Zelenya

Jul 27 '23

Debugging without a “real” debugger

#haskell #purescript #functional #productivity

6 min read

Zelenya

Jul 14 '23

How to handle optional fields in PureScript

#functional #webdev #purescript #react

9 min read

Zelenya

Jun 30 '23

What makes library docs great [Library review: Iron]

#functional #scala #documentation #tutorial

7 min read

Zelenya

Apr 20 '23

Proper and Basic Property-Based Testing

#functional #testing #scala #haskell

12 min read

Zelenya

Apr 6 '23

Understanding FP: Overcoming Intuition and Ease Hurdles (loops vs. recursion)

#functional #scala #rust #javascript

10 min read

Zelenya

Mar 30 '23

The 90% you need to know to use optics

#haskell #purescript #functional #scala

5 min read

Zelenya

Mar 23 '23

Debunking Haskell Myths and Stereotypes

#haskell #programming #functional

9 min read

Zelenya

Mar 16 '23

A joy of working with JSON using PureScript

#javascript #webdev #purescript #typescript

8 min read

Zelenya

Feb 28 '23

Debunking Haskell Myth: “Tooling Issue”

#haskell #functional #tooling #beginners

6 min read

Zelenya

Feb 28 '23

Why are FP devs obsessed with Referential Transparency?

#functional #haskell #scala #rust

8 min read

Zelenya

Feb 14 '23

Book Review: Production Haskell

#haskell #books #productivity #functional

2 min read

Zelenya

Feb 14 '23

PureScript in Production

#discuss

5 min read

Two Year Club

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One Year Club

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