[Haskell-cafe] Network.CGI and SQL Queries

2011-07-20 Thread william murphy
Hello there, There's an odd error every time I try to run this code: import Network.CGI import Text.XHtml import qualified Text.Html as H import Database.HDBC import Database.HDBC.Sqlite3 import System.Random ... sqlReaderIO = do handle - connectSqlite3 table2.db scoresSql -

[Haskell-cafe] Network.Html simpleTable fonts

2011-07-17 Thread william murphy
How does one change the font and size of text in a cells in a simpleTable? As in, to change the height, one could state: x = simpleTable [] [height 5] exampleTable Thanks, Will ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org

[Haskell-cafe] Failure to install Network.CGI

2011-07-16 Thread william murphy
Hi all, I tried to install the Network.CGI module by inputting: cabal install CGI into the terminal but got this error: Resolving dependencies... Configuring cgi-3001.1.8.2... Preprocessing library cgi-3001.1.8.2... Building cgi-3001.1.8.2... command line: cannot satisfy -package-id

[Haskell-cafe] Incorrectly inferring type [t]

2010-12-29 Thread william murphy
Hi All, I've spent a lot of time trying to write a version of concat, which concatenates lists of any depth: So: concat'' [[[1,2],[3,4]],[[5]]] would return: [1,2,3,4,5] The code is: concat'' :: [a] - [b] concat'' ((y:ys):xs) = (concat'' (y:ys)) ++ (concat'' xs) concat'' []

[Haskell-cafe] multi type addition

2010-12-28 Thread william murphy
We were trying to make an addition function that, unlike the library one, could add numbers of different types from the typeclass 'Num.' We originally ran into a problem when trying to add (5 :: Integer) + 4.8, and were trying to define a new function that would be able to get that: (+') :: (Num