A common obstacle when building web applications are relational database associations. Without these it would be difficult to decrease the amount of duplicate data as well as increasing the overall database efficiency. The most common relationships are the: one-to-one, one-to-many, and many-to-many.
There are plenty of shortcuts with Ruby on Rail's implementation of migrations. Adding columns, removing column, add indexes, altering table or columns to just name a few. I recently ran across a simple trick that can be utilized to add multiple columns quickly to a migration
Ruby on Rails is great to give out detailed error messages. Additionally, there is a wealth of knownledge in the online community of other developers running into the exact same error and the reasons behind why they are occuring. Over the past couple months I have compiled 5 errors that I see most often.
If you have ever tried to write functional tests for a controller, you will know that they can be a little tricky. One such trip up point that I ran into was accessing instance variables from within the controller spec. You can't just use expect(@variable).to be_valid because @variable is an instance variable and won't be defined in your spec's scope.
In this first issue of "Year in review", I will detail a few key topics. In the first section I will list any recent development news that I have come across. The next section will detail any notable gems, extensions, or app. Then in the last section I will list any blog posts from other developers which I have found helpful and informative.
If you are like me and have spent most of your time programming in Linux or Windows, then switching over to OSX can be tricky. Keyboard shortcuts have changed and you have to deal with the placement of that pesky fn key. I've listed below my complete Default (OSX).sublime-keymap file.
Internationalization is an important topic for many corporations that have a multi-national client base. It allows for easy translation capabilities and helps to protect the future of the application against code debt. However, even if you are not providing translations for your application you can still use internationalization to dry up your content. Let's get started.
As a developer, there are many times when printing a value is essential to debugging an application. Sometimes you are unable to use the <%= string %> output block method.
Ever wanted an integer to be allowed a specific range of valid numbers rounding when necessary? Well, unfortunately in the Ruby community this has been a point of contention because no built-in function exists. We can however easily replicate the intended behavior through the clever usage of the enumerable sort method.
The Rails asset pipeline uses a feature called Turbolinks for serving faster CSS and JS assets to the browser. It works by using AJAX to re-load assets without refreshing the page. Unfortunately, it also can mess up scripts that work with the document ready event such as jQuery. The only way to make the assets work is with a hard refresh. Let's fix this.