Cascadia.jl working webscraping example

gistfile1.txt

# https://github.com/Algocircle/Cascadia.jl#webscraping-example

using Cascadia
using Gumbo
using HTTP
# using Requests (deprecated)

r = HTTP.get("http://stackoverflow.com/questions/tagged/julia-lang")
h = parsehtml(String(r.body))

qs = eachmatch(Selector(".question-summary"), h.root)

println("StackOverflow Julia Questions (votes  answered?  url)")

for q in qs
    votes = nodeText(eachmatch(Selector(".votes .vote-count-post "), q)[1])
    answered = length(eachmatch(Selector(".status.answered"), q)) > 0
    href = eachmatch(Selector(".question-hyperlink"), q)[1].attributes["href"]
    println("$votes  $answered  http://stackoverflow.com$href")
end

using JSON
JSON.json(qs) # returns StackOverflowError