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Servant authentication and sessions via cookies
Servant authentication and sessions via cookies
Cookies
Tutorial
Authentication
Parsing Libraries
Authentication is a sort of weak place in the Servant web framework. In this tutorial we build RESTful authentication in Servant storing all the session in an encrypted cookie client-side.
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Mark Karpov
15 min read
Mustache templates in Haskell
Mustache templates in Haskell
Tutorial
Haskell
Design
In this tutorial we are going to use the Stache Haskell package developed by Stack Builders to work with Mustache templates — a popular logic-less template format.
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Mark Karpov
12 min read
Concurrent Haskell in the real world
Concurrent Haskell in the real world
Haskell
Programming
Notes about use of concurrent Haskell that made our production code almost 100 times faster.
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Mark Karpov
10 min read
Cassava Megaparsec library released
Cassava Megaparsec library released
Parsing Libraries
We have released a new open source library for CSV parsing that provides good error-messages and plays nicely with Cassava.
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Mark Karpov
2 min read
Creating a GUI application in Haskell
Creating a GUI application in Haskell
Tutorial
Haskell
GUI
Programming
This time, we’re developing a calculator using bindings to GTK+. This tutorial would be great for Haskell beginners and others who come from an imperative background. This popular post was originally written in 2015 and updated in March 2024 to reflect the process of creating a GUI application from scratch with Haskell and GTK+.
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Mark Karpov (+1 more)
27 min read
Behavior-driven development (BDD) in Haskell with Hspec
Behavior-driven development (BDD) in Haskell with Hspec
Tutorial
Haskell
Testing
In this tutorial, we implement the Luhn algorithm to validate credit card numbers while we show the advantages of using a combination of Haskell and Hspec to achieve techniques and principles of the BDD software development process.
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Juan Carlos Pazmiño
16 min read
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