Posted
by RyanTM
on Stack Overflow
See other posts from Stack Overflow
or by RyanTM
Published on 2008-08-09T15:13:54Z
Indexed on
2010/06/09
16:42 UTC
Read the original article
Hit count: 164
How do I go about learning Ruby quickly and easily without buying expensive programming books?
© Stack Overflow or respective owner
as seen on Stack Overflow
- Search for 'Stack Overflow'
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…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
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…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
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…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
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…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
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)
…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Hi All!
I'm planning to develop program in Java which will provide diagnosis. The data set is divided into two parts one for training and the other for testing. My program should learn to classify from the training data (BTW which contain answer for 30 questions each in new column, each record in…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I've been thrust into a situation where I need to know something about Machine Learning. Is there a language or perhaps a reasonable tutorial that breaks this subject matter in gently? I'm not a math guy, so it's got to start from a pretty basic level.
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Hello,
I've got about three years c# experience. I'd like to learn some WPF and the MVVM pattern.
There are a lot of links to articles on this site but I'm getting a little overwhelmed.
Would a sensible approach for a begginer to be forget mvvm for a while and just quickly learn a bit a of WPF, then…
>>> More
as seen on Programmers
- Search for 'Programmers'
Looking for the recent and powerful upcoming programming languages over net, I came across Ceylon. I dropped in at ceylon-lang.org and it says:
Ceylon is deeply influenced by Java. You see, we're fans of Java, but we know its limitations inside out. Ceylon keeps the best bits of Java but improves…
>>> More
as seen on Programmers
- Search for 'Programmers'
I am developing a chess program. And have made use of an alpha beta algorithm and a static evaluation function. I have successfully implemented both but I want to improve the evaluation function by automatically tuning the weights assigned to its features. At this point am totally confused about the…
>>> More
