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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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: maridonkers/binance-api.
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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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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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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 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 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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Install a full Haskell development environment (including hpack and cabal) on your Android phone. The command prompt runs via Termux and its PRoot (i.e. proot-distro).
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In the past I have used the xmonad tiling window manager but eventually returned to KDE, because I had some problems with truncated text in terminal windows, needed to be able to run a complicated GUI that was not very suited for a tiling window manager and I thought there was not that much difference in performance.
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Create a Docker image with Debian Linux in which you can install and use Haskell tooling (e.g. Stack) and that uses your computer's native GUI. This can be useful because using Stack under NixOS can be somewhat cumbersome.
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