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Nathan Long dropped us an email recently to let us know about the 3.0 release of searchlight library, which we originally covered about a year ago now. Searchlight gives you a low-magic way to build database searches. It allows you to encapsulate your search options in an object which is more testable and database agnostic. It also plays really well with Rails forms, so if you find yourself building an advanced search page check it out.
Jakub Arnold of Sensible.io has an interesting post where he takes you through the consequences of dumping coupled code that depends on the Mailchimp gem inside of an ActiveRecord model’s callback cycle. As Jakub explains, this dependency may cause exceptions when saving the model and even if you handle the exception, your call to Mailchimp may fail. He goes through several steps, eventually extracting the Mailchimp logic into a separate class, and to handle possible network issues, he uses a queue which will retry in case of failure. It’s a nice, short example of something that can definitely bite you if you casually take dumps it inside of a Rails model.
A few weeks ago Godfrey Chan started a new weekly newsletter called this week in Rails, where he’s covering the most interesting commits, pull requests on the Rails code base. In his most recent newsletter he mentioned a commit that introduced a new helper called “sanitize_sql_like” to help escape characters with special meaning in a LIKE clause, another that added a
to_io method to
UploadedFilewhich allows you to directly manipulate a uploaded (temp) file, and a bunch of fixes including getting rid of the wrapping divs on hidden form fields and some optimizations to the postgreSQL adapter. If you enjoy living on the edge of rails, this could be a great weekly newsletter to subscribe to.
Sometimes when you run a spec on a Rails app, it fails silently but it isn’t clear why.. It could be a validation error, but the log may not even tell you that. This is a problem Brian Morearty set out to solve with his Whiny Validation gem, which adds a log message so when you debug you’ll know why your test failed. co: That sounds useful, but this sounds like a pretty simple gem... Yeah, admittedly this is a simple gem. But often enough, simple gems like this end up being merged into Rails when people realize they’re lightweight enough and make so much sense. What’s also great is that Brian wrote a blog post which walks us through the internals of developing the gem, how to use ActiveSupport notifications, and how to add your own Log Subscriber. co: It’s great to have the confidence to get in under the hood of these libraries when you need to, and simple examples can go a long way.
It’s been a while on the podcast since we’ve talked about Simple Form, which just this week received support for Bootstrap 3. Simple Form is the gem by plataformatec which gives your Rails app a fully featured DSL for creating form elements. It can be especially useful when you have complex forms which may be stored across multiple models. Aside from adding support for Bootstrap 3, the 3.1 RC1 version of Simple Form which was just released has a bunch of improvements, you can read about in the changelog.
Steve Klabnik wrote a great piece called How to be an open source gardener in which he talks about his experience working on Rails issue triaging. Everyone who uses Rails — or any open source project really — should give this a read. Steve does a good job to show that open source often involves hard tedious and not so creative work and I really love the gardening analogy. For a beautiful project to keep growing healthily we need people to pull the weeds out, so please check out Richard Schneeman’s CodeTriage and pick an open source project you’d like to occasionally help with issue triaging.
URL parsing with Rippersnapper, awesome APIs with Pliny, thread-safe utilities from Charles Nutter, a revival of the invoicing gem, info about recursion and memoization, querying git with gitql, and refactoring bad controllers all in this episode of the Ruby5 podcast!
In this episode we cover the results of the Cloudflare Heartbleed challenge, tracking trends in the Ruby community with the Ruby Survey, Rails 4.1 ActiveRecord enums, iStats for CPU temperature on OS X and some Insanely Useful ActiveAdmin Customizations.
The internet is heartbleeding plus exciting rails 4.1 features. With special guest Nathan Hessler.
On today's episode: Rails 4 PostgreSQL integration, tips for hiring great software engineers, Ruby Love, what your conference proposal is missing, crafting a conference talk, an introduction to JSON schemas, Build a Ruby Gem, and Surviving APIs with Rails
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