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  • Hastl modern web-application starter template

    calendar Apr 14, 2025 · 1 min read · Computer Software Linux NixOS Functional Programming Haskell Docker HTMX  ·
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    Hastl modern web-application starter template
    Looking into hastl, which is a modern Haskell web application template using (H)tmx, (A)lpine.js, (S)ervant, (T)ailwind-css and (L)ucid. It is licensed under MIT and is entirely free and open source.
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  • NixOS Android Studio development environment (Docker based)

    calendar Jun 28, 2023 · 3 min read · Computer Software Linux NixOS Functional Programming Java Kotlin Android Termux  ·
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    NixOS Android Studio development environment (Docker based)
    An Android Studio development environment can be somewhat cumbersome to set up under NixOS, so a solution using a Docker container is described in this article.
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  • Encrypted fields in JSON settings file

    calendar Nov 25, 2022 · 8 min read · Computer Software Functional Programming Haskell Cryptography Internet JSON  ·
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    Encrypted fields in JSON settings file
    The Haskell cryptonite package is used to allow for encrypted fields in a JSON settings file. Source code listed below.
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  • A Haskell client library for the Binance cryptocurrency exchange API

    calendar Nov 17, 2022 · 7 min read · Computer Software Functional Programming Haskell Internet HTML API Financial Crypto Currency Binance  ·
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    A Haskell client library for the Binance cryptocurrency exchange API
    A Haskell client library for the Binance cryptocurrency exchange API. The Binance API is documented here: Binance API documentation. The OpenAPI (Swagger) here: binance.github.io/binance-api-swagger. The library can be found here: photonsphere/binance-api.
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  • Servant server + Halo client

    calendar Oct 30, 2022 · 5 min read · Computer Software Functional Programming Haskell PureScript Internet HTML JavaScript API Nix Webgear  ·
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    Servant server + Halo client
    The Haskell-realworld-example Haskell example (Servant based server) and the Real World PureScript React Purescript example (client) combined into Conduit (gothinkster/realworld) — what's described as "The mother of all demo apps" (fullstack Medium.com clone)
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  • Webgear server + Halogen client

    calendar Sep 16, 2022 · 3 min read · Computer Software Functional Programming Haskell PureScript Internet HTML JavaScript API Nix Webgear  ·
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    Webgear server + Halogen client
    The Webgear realworld Haskell example (server) and the Real World Halogen Purescript example (client) combined into Conduit (gothinkster/realworld) — what's described as "The mother of all demo apps" (fullstack Medium.com clone)
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  • Webgear off-label experimentation

    calendar Sep 8, 2022 · 5 min read · Computer Software Functional Programming Haskell Internet HTML API Nix Webgear  ·
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    Webgear off-label experimentation
    Some quick 'off-label' experimentation with WebGear (a high-performance framework to build composable, type-safe HTTP APIs. It is designed to make common API development tasks easy. It is also easily extensible to add components needed by your project. – haskell-webgear/webgear). Also see earlier Webgear post.
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  • Webgear

    calendar Sep 6, 2022 · 2 min read · Computer Software Functional Programming Haskell Internet HTML API Nix Webgear  ·
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    Webgear
    WebGear is a high-performance framework to build composable, type-safe HTTP APIs. It is designed to make common API development tasks easy. It is also easily extensible to add components needed by your project. – haskell-webgear/webgear (by Raghu Kaippully).
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  • A generator that updates certificate fingerprints in .offlineimaprc

    calendar May 2, 2022 · 4 min read · Computer Software Functional Programming Haskell Internet EMail Protocol IMAP  ·
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    A generator that updates certificate fingerprints in .offlineimaprc

    A generator that updates cert_fingerprint lines in .offlineimaprc configuration file. OfflineIMAP is a GPLv2 software to dispose your mailbox(es) as a local Maildir(s), which can be used with notmuch to retrieve mail from (several) IMAP servers and read and search through it.

    The configuration contains cert_fingerprint …


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  • Date in URL Image scraper

    calendar Nov 22, 2021 · 5 min read · Computer Software Functional Programming Haskell Internet HTML  ·
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    Date in URL Image scraper
    A Haskell program that uses the Conduit library to retrieve and store image files with Network.HTTP.Conduit, which are accessible via an URL with a date in it. The images are stored in an images subdirectory with the date in the filename. The program skips URLs that do not return a HTTP status code of 200 (e.g. …
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Mari Donkers

Software developer, functional programming, photography.
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Featured Posts

  • KMyMoney to HLedger
  • Serializing any-size objects to a random access file

Recent Posts

  • Instapaper export index generator -- Haskell version
  • Energy prices as command prompt ASCII table -- Haskell version
  • Debian stable with declarative install script
  • Hastl modern web-application starter template
  • The Gleam programming language, with cat package
  • The Gleam programming language, Sprocket- and Lustre frameworks
  • Energy prices as command prompt ASCII table
  • Instapaper export index generator
  • KMyMoney to HLedger
  • Serializing any-size objects to a random access file

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