Learning Resources for mongodb and mongoid [closed] - ruby-on-rails

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Closed 10 years ago.
More I'm going on with MongoID driver for MongoDB nosql models in my Rails apps, more I feel don't knowing so much about the full expressiveness, elasticity and powerness of its constructs.
Mongoid docs is one of the clearest, easy and usefull documentation around the blok, but still not enough to understand the implication in the deep.
Think for example at the design/performance/scalability/refactorability implication of using embedded one to many vs referenced one to many
I'm looking for source of examples and eventually online tutorials, articles and books to go deeper here.
Thanks in advance
luca

Design and scalability are more related to the database itself. I'm going through "MongoDb the definitive guide" book right now before jumping into mongoid to gain better understanding

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Good Entity Framework Tutorial [closed]

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Closed 10 years ago.
I wonder if anyone can point me towards a good online tutorial for Entity Framework (code first and database first). I'm interested in learning the theory as I've been using EF for some time now but realise I don't know all the ins and outs.
In my opinion the best ones are Pluralsight videos on Entity Framework. You ought to take a look at them. They are not free though.Hope it helps
This (http://entityframeworktutorial.net/default.aspx) covers the basics fairly well, but my suggestion would be to go the dead tree route and grab a copy of Julia Lerman's 'Programming Entity Framework (2nd ed)'

Good guide about Ruby classes [closed]

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Closed 10 years ago.
I am php developer and I'm trying to change php to ruby/rails.
I've read "Rails for PHP developers" by Pargmatic, but it is very simple.
Now I need to learn all about ruby classes (namespacing, abstraction, extending, factory/signleton patterns, requesting parent class methods, etc), but all guides and manuals I've seen was to simple, they was good only for beginners as a introduction.
Reading Ruby reference isn't good idea, because it's to difficult for understanding (my skills in ruby are not so good yet), so I need some guide for "professional developers" with many examples. Good example is "php|architect's Zend PHP 5 Certification Study Guide" - http://www.amazon.com/architects-Zend-Certification-Study-Guide/dp/0973862149
Are there any book/guide/course to solve my problem?
Thanks!
This is the book from the master (aka Ruby creator) himself: http://www.amazon.com/Ruby-Programming-Language-David-Flanagan/dp/0596516177
You need this.
"Metaprogramming Ruby" is well worth adding to your bookshelf.
http://www.amazon.co.uk/Metaprogramming-Ruby-Program-Like-Facets/dp/1934356476/

filtering inappropriate content ruby on rails [closed]

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Closed 10 years ago.
I am writing a rails application with lots of registered users, interactions and generated content. Can anyone recommend some techniques or guidelines for fighting inappropriate content and spam, for example for comments, images and that kind of content?
I stared with "report" link for me to review content later and wanted to introduce default_scope's for models I think that default_scope isn't the best idea
You could look at the concept of Classifier. Here's a short list of Ruby related links:
Bayes Classification in Ruby
Naive Bayesian Classifiers and Ruby
Ruby classifier gem
Just a starting point. The topic is huge.
Have a look at captcha its not a complete solution, but would reduce spam significantly

What are the Best Ruby videos/Screencasts? [closed]

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Closed 10 years ago.
What are the Best Ruby Screencasts/videos to really understand ruby? Which ones would you recommend?
PeepCode
Teach Me To Code
Railscasts
RubyPulse
Ruby Tapas
GoRails
Railscasts is probably one of the best around, and Ryan actively updates it weekly. Gregg Pollack also did a few. There's also a ton of Ruby related screen casts floating around the internet, whether they're taken from conference talks or self built on youtube.
I recommend Lynda videos, i really liked them and the guy is very instructive.

Is Ruby on Rails dying? [closed]

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Closed 12 years ago.
I am interested in learning Ruby/RoR, but it seems to have lost the popularity it had a few short years ago, and from what I've read, few webhosts support it. Is it on its way out?
Still seems to be growing in the U.S., it's just not as hyped as it was. See job stats from indeed
I wouldn't say it's on its way out, it just lost some of the hype--which isn't a bad thing.
I don't think there has ever been a ridiculous amount of hosting support; but there are a few, there's a list of hosts that provide rails support at http://www.rubyonrailswebhost.com/
No.
I find more and more nice little startups that are using it (my favorite recent finds: toggl.com and zencoder.com). There are also many good web hosts, but in my experience the best of them is heroku.com.
If you're interested in learning it, find a local user group. There's always people there willing to share their interest.
I worked for some start-ups and all of them used Ruby on Rails.

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