David House wrote:
I'm proposing something simple that should make it easier for both
Haskell programmers and Haskell tool writers to find the documentation
for a function.
Like this? http://haskell.org/hoogle/?q=map
b
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Haskell-Cafe
Joe Olivas wrote:
However, changing 'putStrLn' to 'putStr' does not do what I would
expect. The prompt doesn't get displayed until after there is input:
This isn't a Haskell issue per se. The runtime is putting stdout into
line-buffered mode, so you need to import System.IO and use hFlush
Bulat Ziganshin wrote:
can you please provide examples of such code?
I'd recommend taking a look at the new binary package. It's very
cleanly written, and mostly easy to understand. It's also easy to see
where the optimisations have been made. The only part that might induce
sudden
Dougal Stanton wrote:
If it basically works, what goes wrong in my programm?
Maybe something to do with compiler flags?
No. This isn't even a Haskell-related problem, in all likelihood.
Bidirectional interaction with another process over a pipe, particularly
when the other process is
Bryan O'Sullivan wrote:
Just because *your* end of each pipe is a line-buffered file handle has
no bearing on the *other* process's management of its pair of endpoints.
For example, on a Unix-like system, the other process's stdio will
block-buffer stdin and stdout by default if it finds
Greg Fitzgerald wrote:
I want to write a program where a user would update a bunch of
variables, and everything that depends on those variables (and nothing
else) are recalculated.
http://sigfpe.blogspot.com/2006/11/from-l-theorem-to-spreadsheet.html
I've got a branch of Cabal that adds a new command, rpm, that lets you
build an RPM package with a single invocation:
runhaskell Setup.*hs rpm
I've tested this pretty extensively with GHC 6.6, and I'm quite happy
with it, but if there are other users of RPM-based distros out there,
I'd
David Roundy wrote:
I'm rather curious (if you're sill interested) how this'll be affected by
the removal of the division from the inner loop. e.g.
go :: Double - Double - Int - IO ()
go !x !y !i
| i == 10 = printf %.6f\n (x+y)
| otherwise = go
Shannon -jj Behrens wrote:
I'm going through the Write Yourself a Scheme in 48 Hours
http://halogen.note.amherst.edu/~jdtang/scheme_in_48/tutorial/overview.html
tutorial. I like it a lot, but I have some concerns. Are the
exercises in the tutorial known to be solvable by mere mortals?
The
Bob Davison wrote:
I
thought calculus was about differentiation and integration and was very
surprised to discover that there were such things as 'predicate
calculus', 'propositional calculus', and various flavours of 'lambda
calculus'.
The stuff involving rates of change, integration, and
Tim Docker wrote:
I'm not aware of any ongoing haskell work in finance, other that
some private work being done by Alain Cremieux, reported in the HCAR.
Lennart Augustsson works for Credit Suisse, using a Haskell DSEL to
generate financial models for execution by clusters running Excel.
John Meacham wrote:
I would think this would be how the haskell 98 standard library CPUTime
is implemented, is it not?
No. System.CPUTime gives you an approximate idea of the amount of CPU
time your process, and all its threads, have used. The rdtsc
instruction gives you a snapshot of the
Adam Megacz wrote:
Has anybody been able to get hs-plugins to work with ghc6.6?
Don made some updates to it after 6.6 was released (see the darcs repo),
but I can't build it due to what looks like a bug in the GHC install
process (the wrong one of two incompatible versions of Typeable.h gets
Taral wrote:
For a read-only
operation, this shouldn't matter, however on some platforms an open
file handle can prevent deletion of the file.
You'd be referring to Windows, then, where you can't rename or remove a
file if someone has opened it.
A partial defence against this is to pass
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