Deploying a jekyll blog to github pages with custom plugins and TravisCI

posted in tutorials

 

Deploying a new blog with Github Pages is a breeze. All you need is a new repo named after your Github username and a jekyll site on your master branch.

Github also kindly provides several whitelisted plugins for ease-of-use which can be found here. Unfortunately, some of these are a bit outdated (I’m looking at you jekyll-paginate). More bad news is that because the plugins are whitelisted you can’t use any other plugins.

We’re developers though, like a whitelist will stop us… <!

Resetting your Elasticsearch indices on heroku staging when you've reached the maximum index count for the current plan

posted in fixes

 

If you’ve ever used Heroku’s low cost staging plan for Bonsai Elasticsearch you may have ran into the following error: reached maximum index count for current plan.

Since in most cases your staging indices aren’t as critical as say production (don’t use the fix below in production, please!), you can safely follow the procedure below for removing and reindexing your search enabled models. {::comment}

Lessons learned from using Capybara for feature testing

posted in articles

 

Having confidence in your application helps with the aid of great interation tests. For Rails, that means utilizing the Capybara gem for testing features from end-to-end.

While Capybara is a great gem for accomplishing this goal, it can be at time difficult, frustrating, and nuanced in its implementation. I’ve been keeping track of all the tricks I use reguarly and compiled a list of the best ones. Hopefully, this helps give some clarity to a few best practices I use on a daily basis. <!

Saving Script Output From Heroku to a Local File

posted in today-i-learned

 

Have you ever needed to gather a large amount of data from your production server but didn't have the script available on the server? You could remote into the server and write the script in rails console but what if the volume of data was in the hundreds of thousands? And you needed it in CSV format? Well, recently I recently discovered a great little command for gathering remote data and saving it to a local file.

Fast Reports: Exporting to a CSV in Ruby

posted in today-i-learned

 

Need to quickly export a collection as a CSV? Ruby has an awesome class just for this (named CSV of course). With this class you can quickly output a csv string which can then be imported into Excel, Libre Office, etc.

How to validate attributes for serialized objects

posted in articles

 

Rail's out of the box validation feature set is fairly rich. You have the validates shortcut DSL which maps to all the default validators. The ability to override those default validators through custom validator classes. Finally, you can also write custom validator methods for specific use cases. For the purpose of this article, we'll focus on custom validator methods.

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