Posts

• June 1, 2020
  RecordDotSyntax in Haskell

  Records in Haskell are troublesome but the Dot (syntax) is coming soon

• May 25, 2020
  Production Drafts for Hakyll Posts

  Publish hidden drafts to production with a boolean flag in the metadata

• May 18, 2020
  Adding `published` to Hakyll Posts

  Control which posts to publish with a boolean flag in the metadata

• May 11, 2020
  Rewriting to Haskell–Errors

  Returning the correct JSON error when parsing fails

• May 4, 2020
  Rewriting to Haskell–Parsing Query Params, Again

  Wrapping URL query params in their own types without using FromHttpApiData

• April 27, 2020
  Rewriting to Haskell–Parsing Query Params

  Wrapping URL query params in their own types using FromHttpApiData

• April 20, 2020
  Rewriting to Haskell–Linting

  Using HLint to improve the code in Stream

• April 13, 2020
  Rewriting to Haskell–Testing

  Using HSpec to test Stream through its endpoints

• April 6, 2020
  Rewriting to Haskell–Making GHC More Nitpicky

  Enabling GHC compiler warnings to enforce better code

• March 30, 2020
  Rewriting to Haskell–Standing on the shoulders of Rails

  Using Rails as a handrail to keep our iteration small

• March 23, 2020
  Rewriting to Haskell–Configuration

  Using yaml to configure a Servant application

• March 19, 2020
  Rewriting to Haskell–Automatic Formatting

  Using Ormolu to keep code pretty and stop once for all discussions on cosmetics

• March 14, 2020
  Rewriting to Haskell–Deployment

  Everything needed to deploy and run Stream (Servant) on the server side

• March 3, 2020
  Rewriting to Haskell–Project Setup

  Setting up Servant and CI for Stream

• February 26, 2020
  Rewriting to Haskell–Intro

  Hidden in the Functional Programming basement at Lunar Logic we want to have fun, enable newcomers to approach Haskell and creating future options for the company

• February 18, 2020
  Staring at ($), (<$>), (<*>) and (>>=)

  Differences and similarities between function application, Functor's `fmap`, Applicative Functor's sequential application and Monad's `bind`

• January 20, 2020
  From Kanbanery to Trello

  Using a Haskell script to migrate a Kanbanery board to Trello

• January 13, 2020
  Crossposting to DevTo via command line

  Using a Haskell script to crosspost a blog post with a frontmatter as used in Jekyll markdown files

• January 6, 2020
  Tweeting a Blog Post via command line

  Using a Haskell script to post a tweet about a blog post with a frontmatter as used in Jekyll markdown files

• December 26, 2019
  Scaffolding a Blog Post

  Using a Haskell script to bootstrap a file from a template

• October 7, 2019
  Playing with Fmt

  Using Fmt to format stuff

• September 30, 2019
  Parsing CSV in Haskell

  Using Cassava to parse a CSV file

• September 23, 2019
  Refactoring the Mars Rover Kata in Haskell

  Refactoring our deployed-to-Mars rover

• September 16, 2019
  Mars Rover Kata in Haskell

  Moving a rover on Mars type-safely

• September 9, 2019
  Fun with Typeclasses

  Ever heard of `Enum`, `Bounded`, `BoundedEnum` and `CyclicEnum`?

• September 2, 2019
  Merging IO and Either into one monad

  How to simplify code by merging two monads into one

• August 26, 2019
  Building a Blog in Haskell with Yesod–Giving Back

  In this post I'm celebrating becoming a contributor to Yesod

• August 19, 2019
  Building a Blog in Haskell with Yesod–JSON API

  In this post we are going to see how to transform our Yesod blog into a JSON API (including authentication)

• August 12, 2019
  Building a Blog in Haskell with Yesod–Returning JSON

  In this post we are going to see how to return JSON in our Yesod blog

• August 5, 2019
  Building a Blog in Haskell with Yesod–Authorization

  In this post we are going to take care of authorization in our Yesod blog

• July 29, 2019
  Building a Blog in Haskell with Yesod–Authentication

  In this post we are going to add authentication to our Yesod blog

• July 22, 2019
  Building a Blog in Haskell with Yesod–Using a Database

  In this post we are going to hook up our Yesod blog to a database

• July 15, 2019
  Building a Blog in Haskell with Yesod–The Basic Structure

  In this post we are going to develop the basic structure of our Yesod blog

• July 8, 2019
  Scripting in Haskell and PureScript

  Writing scripts with Haskell and PureScript is a good way of doing some functional programming at work

• April 15, 2019
  Adding Twitter Cards to Hakyll Posts

  Make your Hakyll posts look better in Twitter