Lennart Augustsson wrote:
I think global mutable variables should be regarded with utmost
suspicion. There are very few situations where they are the
right solution.
Well IMO even the use of the term "global mutable variable" causes
muddled thinking on this and I wish people would stop it. The
On Sunday 23 April 2006 02:19 pm, you wrote:
[snip some discussion]
> Perhaps something like:
>
> class MonadIO m => MonadIOE m where
> catch :: m a-> (Exception -> m a) -> m a
> throw
> catchDyn
> throwDyn
> -- etc
>
> instance MonadIOE m => StateT s m where ...
> instan
Folks,
How would you go about implementing a RDF triple store in Haskell
capable of handling a billion triples? I'm looking for ideas.
For example, you could use tries to store all strings but you could
easily get to the point where you can't load them all into, say, 1Gb
of memory which i
I've started work on a module to replace Control.Exception by wrapping all
the original Control.Exception functions in more general monadic functions
and using two type classes as follows:
class MonadIO m => MonadException m where
catch :: m a -> (Exception -> m a) -> m a
catchDyn :: Ty
joelr1:
> Howdy folks!
>
> Does anyone have sample code for independent component analysis
> (ICA), singular value decomposition (SVD) aka spectral graph
> partitioning, or semidiscrete decomposition (SDD)?
>
> I'm trying to learn this rocket science and apply it to RDF graph
> analysis.
H
Howdy folks!
Does anyone have sample code for independent component analysis
(ICA), singular value decomposition (SVD) aka spectral graph
partitioning, or semidiscrete decomposition (SDD)?
I'm trying to learn this rocket science and apply it to RDF graph
analysis.
Thanks, Joel
Brian Hulley wrote:
instance MonadIOE m => StateT s m where ...
instance MonadIOE m => ReaderT r m where ...
instance MonadIOB m => ReaderT r m where ...
Ooops! ;-)
instance MonadIOE m => MonadIOE (StateT s m) where ...
instance MonadIOE m => MonadIOE (ReaderT r m) where ...
instance MonadIO
[EMAIL PROTECTED] wrote:
Robert Dockins wrote:
One additional (very unfortunate) point is that higher-order IO monad
combinators will not work on your monad, eg, the ones in
Control.Exception.
Although that is true in general, for many useful and interesting
cases (including ReaderT, the state
For this purpose, try h1 [keep /> dfilter (parseXtract "/greetings/greeting[1]/-")]cheers, Luby Liao > I am just trying out a few things with the Xtract tool. I have a > simple XML document:
> > > hello > world > > > I am using the Xtract query /greetings/greeting[1]/- hoping to get the
> te
Robert Dockins wrote:
Ahhh... the singleton pattern. There is a debate among OO theorists
about whether the singleton pattern is actually a good idea. I tend to
side with those who say that it is Just Wrong. The reality is that
"singletons" are only unique within some scope (OS process, VM
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