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Removing a model in rails (reverse of “rails g model Title…”)
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bundle exec rake db:rollback
rails destroy model <model_nam>me m>>
When you generate a model, it creates a database migration. If you run 'destroy' on that model, it will delete the migration file, but not the database table. So before run
bundle exec rake db:rollback
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How to pass html string to webview on android
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show 2 more comm>me m>nts
170
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How to remove convexity defects in a Sudoku square?
... completed the task, but at the end I found a little problem for which I cam>me m> here.
6 Answers
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Heroku free account limited?
...ication also has access to the local filesystem, which can serve as an ephem>me m>ral scratch space for that specific dyno, and should be able to store at least 1 GB of data.
There is a 2TB/month limit on bandwidth.
share
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How do I embed a single file from a GitHub gist with the new gist interface?
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still working for m>me m>: letitcrash.com/post/40198993865/…
– Roland Kuhn
Mar 8 '13 at 12:06
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ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
...rivilegeLevels = string.Join("", GetUserRights(httpContext.User.Identity.Nam>me m>.ToString())); // Call another m>me m>thod to get rights of the user from DB
return privilegeLevels.Contains(this.AccessLevel);
}
}
You can redirect an unauthorised user in your custom AuthorisationAttr...
Find all elem>me m>nts on a page whose elem>me m>nt ID contains a certain text using jQuery
I'm trying to find all elem>me m>nts on a page whose elem>me m>nt ID contains a certain text. I'll then need to filter the found elem>me m>nts based on whether they are hidden or not. Any help is greatly appreciated.
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What do 'lazy' and 'greedy' m>me m>an in the context of regular expressions?
Could som>me m>one explain these two terms in an understandable way?
12 Answers
12
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Rails: Open link in new tab (with 'link_to')
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The target: :_blank param>me m>ter should be a param>me m>ter of link_to, whereas you put it in image_tag param>me m>ters. Modify your code like this:
<%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebook.com/mypag...