24 Sep 2012
Software erosion is what happens to your app without your knowledge or consent: it was working at one point, and then doesn’t work anymore. When this happens you have to invest energy diagnosing and resolving the problem. Over a year ago Heroku’s CTO, Adam Wiggins, first wrote about erosion-resistance on Heroku. Part of erosion-resistance is communication, and knowing what to expect moving into the future. This post will clarify what we mean by erosion-resistance, and help you understand what to expect when one of our features is deprecated or is sunset.
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13 Sep 2012
Exceptions suck. When you are getting started on a project there is nothing worse than clicking that button, hitting
enter, and then watching your software fall flat on its face. It might sound odd - then - if I were to say, more
errors in your life could be a good thing.
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17 Aug 2012
We are close to wrapping up our 10 week Rails Course. This week we will cover a handful of topics commonly encountered in Rails projects. We then wrap up with part 2 of our Reddit on Rails exercise!
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07 Aug 2012
Welcome back, this week we’re going to tackle some important concepts in Ruby like Dealing with Nil and using Modules in Ruby. We are also going to cover importing data from a spreadsheet, rake, rubygems, bundler, and talk a little about Rail’s testing ecosystem.
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31 Jul 2012
Some times you need to see what fields changed in an object in Rails. I’ve known for awhile that you could do this before an object saved:
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27 Jul 2012
If you’re new to Rails and Active Record, or you’ve been using them for some time, there are likely
methods you’ve been overlooking. This week I take a look at the most common SQL Query interfaces for Active Record.
Finally we wrap up by talking about how Active Record allows us to chain together methods, how we can prevent SQL
injection attacks on our websites, and how to read Ruby Documentation.
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19 Jul 2012
When most people think of great web sites they don’t think of borring pages that have to refresh every time you click something, they think of sites filled with dynamic like buttons, and moving charts and graphs. While I always encouraging having a solid site before adding any javascript extras, sometimes javascript is just the best tool for the job.
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13 Jul 2012
We’ve covered models, views, routing, and briefly introduced controllers. This week we’re taking the deep
dive into controllers, talking about what they can do, and how we want to use them. Last week we talked about
wiring things together with routing. You can watch the Recap
then do the Quiz and once you’re done check out the Quiz Solution.
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05 Jul 2012
This past weekend I was fortunate to attend Rails Girls in SF, and help introduce Rails and the associated tech to around 40 women. After answering a number of common questions many times about the command line, I decided to take the opportunity to make some videos explaining some basic concepts.
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