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Everyone's Recent Rails Snippets



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0 432 posted 7 years ago by yaworsk
Use rescue_from ActiveRecord::RecordNotUnique when DB transaction fail on uniqueness check
0 426 posted 7 years ago by yaworsk
Useful for building nested entries checkboxes etc
0 434 posted 7 years ago by davidb
A very concise ruby on rails helper method that converts seconds into human readable format. It will not display any time periods that have 0 (ie: 1 hour 13 seconds - skipping minutes as there were none) Due to complexity, months were not factored...
0 848 posted 8 years ago by uberdragon
You want to start a new Rails app. But you also want to start a new RVM gemset for the app so you can start with the latest Rails and gems. In this code snippet I show how I start off an up-to-date Rails project in a clean gemset.
1 526 posted 8 years ago by dreamstarter
Supported brands name | key ----------------------- American Express | :amex China UnionPay | :unionpay Diners Club | :diners Dinner Club US | :diners_us Discover | :discover...
0 1022 posted 9 years ago by Fivell
Working on the problem described here: http://forums.att.com/t5/Data-Messaging-Features-Internet/3G-proxy-wnsnet-attws-com-strips-HTTP-response-headers/m-p/3294533/highlight/false#M59737 After some testing we found the below code to fix our troubl...
0 512 posted 9 years ago by mightybs
render :layout => false not work
0 442 posted 10 years ago by CrescentMoon
Esto suele ocurrer muy amenudo cuando instalamos Ruby on Rails antes que MySQL. Es un error "Library not loaded: libmysqlclient.18.dylib (LoadError)" donde lista los directorios donde busca y no lo encuentra. La solución es guiarle para que lo encue...
0 458 posted 10 years ago by skozz
0 425 posted 10 years ago by guhelouis
0 474 posted 10 years ago by abstraktor
If each title is unique and you need alphabetical, try this in your Post model. You can change title to any unique attribute (created_at, id, etc.) if you need a different sort order.
0 425 posted 11 years ago by gmericksen
0 507 posted 11 years ago by batamire
This will require a user to log back in if they are inactive for more than 10 minutes. In order for this feature to be used you must have a last_request_at datetime column in your table for whatever model you are authenticating with.
0 460 posted 11 years ago by gmericksen
0 448 posted 11 years ago by alx_g
tag links with .click function
0 405 posted 11 years ago by insanedreamer
Put this in application layout for global use. Have a hidden div called 'loadicon' with a loading icon (or whatever) in it, which is shown/hidden on ajax calls.
0 465 posted 11 years ago by insanedreamer
0 422 posted 11 years ago by almazom
Add this to .irbrc. Allows the following in console: > gethtml('/login') => HTML of whatever page is generated by /login
0 456 posted 11 years ago by insanedreamer
in Rails 2, use `include ActionController::UrlWriter` instead.
1 1093 posted 11 years ago by insanedreamer
Put this in `test_helper.rb` and call with `show(object1, object2, etc.)`
0 409 posted 11 years ago by insanedreamer
0 307 posted 11 years ago by gmericksen
0 324 posted 12 years ago by almazom
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