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Published on 2010-04-02T15:37:35Z
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If I have an empty tag:
<tag/>
How can I add text so that I end up with:
<tag>Hello World!</tag>
I can only seem to swap the whole tag with different content or add content before/after it.
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Ok I followed the steps for setting up ruby and rails on my Vista machine and I am having a problem connecting to the database.
Contents of database.yml
development:
adapter: sqlserver
database: APPS_SETUP
Host: WindowsVT06\SQLEXPRESS
Username: se
Password: paswd
Run rake db:migrate…
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My application requires to keep large data objects in session. There are like 3-4 data objects each created by parsing a csv containing 150 X 20 cells having strings of 3-4 characters.
My application shows this error- "marshal data too short".
I tried this-
Deleting the old session table.
Deleting…
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I don't know is it my mistake or no. So i have that code:
<code>
post '/singin/get_token' do
content_type :xml
puts request.body.read
puts xmlRequest
xmlRequest = REXML::Document.new(request.body.read)
...
</code>
And when i post something like that:
<code>
<?xml…
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reading around the various ruby install tutorials it's required to change path from /usr/bin/ruby to /usr/local/bin/ruby but i cant seem to be able to do it. Ultimately i want to install Ruby 1.9.2, should i uninstall 1.8.7 or what? i tried to install Ruby 1.9.2 with macports, the installation seemed…
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i am getting a strange bundler error when running
bundle pack
with bundler 0.9.12
any ideas? (see pastie for a better formatted code: http://pastie.org/881328 )
/opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error)
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Hpricot(html).inner_text.gsub("\r"," ").gsub("\n"," ").split(" ").join(" ")
hpricot = Hpricot(html)
hpricot.search("script").remove
hpricot.search("link").remove
hpricot.search("meta").remove
hpricot.search("style").remove
found it on http://www.savedmyday.com/2008/04/25/how-to-extract-text-from-html-using-rubyhpricot…
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I have been expeirmenting with Watir, Nokogir and Hpricot. All of these use top-down approach which is my problem. i.e. they use element type to search element. I want to find out the element using the text without knowing element type.
e.g.
<element1>
<element2> Text2 </element2>
…
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I've just noticed that most of hpricot code is written in java...
I heard that JRuby performed a lot better than native ruby when processing regular expression. Is maybe the java classes just activated if JRuby or Java is installed and the ruby used if these are not found?
It's something puzzling…
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Any idea why hpricot might segfault on this page?
trial_url = 'http://www.controlled-trials.com/ISRCTN56071145/'
doc = Hpricot(open(trial_url))
produces:
/Users/ap257/.gem/ruby/1.8/gems/hpricot-0.8.2/lib/hpricot/parse.rb:33: [BUG] Segmentation fault
ruby 1.8.7 (2009-06-08 patchlevel 173) [universal-darwin10…
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I use hpricot gem in ruby on rails to parse a webpage and extract the meta-tag contents. But if the website has a <noscrpit> tag just after the <head> tag it throws an exception
Exception: undefined method `[]' for nil:NilClass
I even tried to update the gem to the latest version. but…
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