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Everyone's Recent Rails Snippets



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0 368 posted 6 years ago by yaworsk
Use rescue_from ActiveRecord::RecordNotUnique when DB transaction fail on uniqueness check
0 353 posted 6 years ago by yaworsk
Useful for building nested entries checkboxes etc
0 379 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...
0 691 posted 7 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.
1 444 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...
0 574 posted 8 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...
0 436 posted 8 years ago by mightybs
render :layout => false not work
0 381 posted 9 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...
0 398 posted 9 years ago by skozz
0 349 posted 10 years ago by guhelouis
0 405 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.
0 370 posted 10 years ago by gmericksen
0 430 posted 10 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.
0 386 posted 10 years ago by gmericksen
0 393 posted 11 years ago by alx_g
tag links with .click function
0 343 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.
0 395 posted 11 years ago by insanedreamer
0 359 posted 11 years ago by almazom
Migrating a Rails app from Development to Production can sometimes be a real pain. One way I help reduce headache is by copying all the necessary Rails files to make it a self-contained unit (Freezing). If I need to make version changes later, I si...
0 303 posted 11 years ago by chrisaiv
Here are a few examples of how to install my favorite rails plug-ins from GIT. The alternative solution is to simply use gem --and have the plugin available throughout all of my rails applications-- but I prefer to have my applications living as sel...
0 391 posted 11 years ago by chrisaiv
Add this to .irbrc. Allows the following in console: > gethtml('/login') => HTML of whatever page is generated by /login
0 393 posted 11 years ago by insanedreamer
in Rails 2, use `include ActionController::UrlWriter` instead.
1 855 posted 11 years ago by insanedreamer
Put this in `test_helper.rb` and call with `show(object1, object2, etc.)`
0 354 posted 11 years ago by insanedreamer
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