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Description:
HAppS issues and development.
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heroku build package
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Hello, Has any one used heroku's build package to post a happstack application to heroku? I tried using the haskell-buildpack-demo<[link]>on github with happstacks hello world, but<[link]>I keep getting "no Cedar-supported app detected."... more »
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exporting events generated by makeAcidic
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Hi,
Is there a way to export the events/data constructors generated by makeAcidic? I've tried several variations with all but two ending up with anything from an out of scope data constructor to orphaned instance errors.
As it stands now I'm having to take one of two approaches:
- export everything in the module (e.g. "module MyModule where").... more »
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Happstack and Heist Example
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Dear Happstack Group,
Im not able to get the Heist Template Example from the Crashcourse to work with the current Heist (0.11.1) and Happstack-Heist (7.0.2) packages. An Example which just
serves a template directory would be fine and a great help
for me as haskkell-newbe.
thank you very much for the great work you are doing,... more »
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ANN: adobe-swatch-exchange-0.1.0.0
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I am pleased to annouce the release of adobe-swatch-exchange 0.1.0.0.
My primary motivation in writing this is to make it easier to download
color swatches from [link] and test them on my site.
Though, perhaps there is already a great way of doing this and I
didn't look hard enough.... more »
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AcidState feature request
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Hello again! Can we please have MonadError instance for Query and Update? Right now layering ErrorT over them results in unusable makeAcidic TH macro and manual rollback on exceptions. As far as I see, this feature can be added without breaking compatibility - with String as default error type and... more »
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What array-like data structure to use inside acid-state?
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Hello! And another noob question from me. I need to store integer-indexed structure with fast, preferably constant-time r/w access in the acid-state. My algorithm ideally lays on mutable arrays, but as far as I see, acid-state can't contain mutable structures. Should I move to IntMap, or there is some way to make acid-state store log of ST-monad writes?... more »
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How to stitch multiple events into one transaction with acid-state?
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Hello! I have a problem with expressing my algorithm in acid-state terms. That's what I'm trying to do: x <- query' acidStorage (SomeQuery ...) y <- someReasoningThatNeedsIO x update' acidStorage (SomeUpdate y ...) The problem is, that I need this query+update to be one atomic transaction. Is this possible with acid-state alone or I need to write transaction... more »
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fresh benchmarks
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I think everyone who has been working on the web frameworks (including Bryan
of course) has been doing an awesome job. Every time I dig into more
libraries and packages that have been coming out of these efforts I am just
bowled over with the care and attention, and great design.
(Same for GHC of course, and many other packages.)... more »
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