[erlang-questions] kick start a newb!

Lev Walkin <>
Thu Feb 7 22:02:55 CET 2008


Try printing out [65, 65, 65], the rest should be obvious.


Dustin Whitney wrote:
> I'd really like to get into Erlang, but I'm stumbling over some UTF 8 
> troubles.  Could someone please explain to me why the code below results 
> in a list of integers instead of the XML document I'm supposed to get (I 
> think it has something to do with UTF8), I'd really appreciate it.  The 
> second listing of code works just fine, and I believe it works because 
> slashdot encodes their data in iso-8859-1.   How can I output UTF8 in a 
> format that is readable?  And, ultimately I want to run an XPath query 
> against the XML document I get from the GET request... baby steps I 
> suppose.  Any help would be great, especially links to documentation!
> 
> Thanks,
> Dustin
> 
> Listing #1
> 
> -module(tmp).
> -export([get_url/0]).
> 
> get_url() ->
>     {_,{_, Header, Body}} = 
> http:request("http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&should-sponge=&query=PREFIX+xsd%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2001%2FXMLSchema%23%3E%0D%0APREFIX+rdfs%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23%3E%0D%0APREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0APREFIX+dbpedia2%3A+%3Chttp%3A%2F%2Fdbpedia.org%2Fproperty%2F%3E%0D%0A%0D%0ASELECT+*+WHERE+%7B%0D%0A%3Fsubject+rdf%3Atype+%3Chttp%3A%2F%2Fdbpedia.org%2Fclass%2Fyago%2FCity108524735%3E.%0D%0A%3Fsubject+rdfs%3Alabel+%3Flabel.%0D%0A%3Fsubject+dbpedia2%3Apopulation+%3Fpopulation.%0D%0AFILTER+%28lang%28%3Flabel%29+%3D+%22en%22+%26%26+xsd%3Ainteger%28%3Fpopulation%29+%3E+200000%29%0D%0A%7D&format=application%2Fsparql-results+xml&debug=on 
> <http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&should-sponge=&query=PREFIX+xsd%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2001%2FXMLSchema%23%3E%0D%0APREFIX+rdfs%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23%3E%0D%0APREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0D%0APREFIX+dbpedia2%3A+%3Chttp%3A%2F%2Fdbpedia.org%2Fproperty%2F%3E%0D%0A%0D%0ASELECT+*+WHERE+%7B%0D%0A%3Fsubject+rdf%3Atype+%3Chttp%3A%2F%2Fdbpedia.org%2Fclass%2Fyago%2FCity108524735%3E.%0D%0A%3Fsubject+rdfs%3Alabel+%3Flabel.%0D%0A%3Fsubject+dbpedia2%3Apopulation+%3Fpopulation.%0D%0AFILTER+%28lang%28%3Flabel%29+%3D+%22en%22+%26%26+xsd%3Ainteger%28%3Fpopulation%29+%3E+200000%29%0D%0A%7D&format=application%2Fsparql-results+xml&debug=on>"),
>     Body.
> 
> 
> 
> Listing #2
> 
> -module(tmp).
> -export([get_url/0]).
> 
> get_url() ->
>     {_,{_, Header, Body}} = http:request("http://slashdot.org"),
>     Body.
> 
> 
> ------------------------------------------------------------------------
> 
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