How to prepare and aggregate Rails logs for Logstash: Before tagging your stacktrace events from your Rails production.log, for example, you will want to write a multiline filter in Logstash which will include each stacktrace event as a separate entry. Each section of your Rails log starts with the word “Processing” and ends with two [...]
In process of customizing my bash terminal prompt in my ~/.bash_profile, I thought it would be great to show which RVM and Git branch I was on. You can make yours look similar to this: Screenshot of what Navid’s Bash Terminal Looks Like The solution is to use git-completion.sh. You can get it via git: [...]
In order to clear all of your Rails log files development.log, production.log, server.log and test.log with a rake task, type: This is mainly useful while under development. Be careful with this as it will clear out your production.log file as well!
Assume you have a CitiesController with just one action capital_city, which doesn’t need any of the RESTful actions. I set up a custom route for this one action. The capital_city action returns the xml like the following, for example: Here is what the entry in the routes.rb file looks like: Your controller may look something [...]
If you’re seeing the following error: The way I was able to resolve it was to follow Boonedocks.net, since I’m also using MAMP for its MySQL Database instance. The only difference is that I already had MAMP 1.9.4 installed and so I had to download the MAMP_components_1.9.dmg which contains the mysql-5.1.44 source code. MAMP 1.9.4 [...]
The wym_editor (WYSIWYM – “What you see is what you mean”) plugin is pretty cool. It allows you to define which form fields you want to offer WYSIWYM editing functionality. This makes it easier for you to edit fields and give them styles. It also allows you to see the HTML source view while you [...]
If you want to add multiline comments to your Rails .html.erb Views do the following. The =begin and =end need to be at the beginning of the lines for it to work! Also, you cannot have any ERB code in the =begin and =end blocks, if you comment this way. If you want to comment [...]
There are a number of people following lynda.com’s Ruby on Rails Essential Training tutorial and running into issues since some of the information in the tutorial is outdated. The method scaffold was removed from Rails 2.0. You can still create scaffolds but must do so by generating the scaffold files explicitly. If you see NoMethodError [...]
When referencing an external JavaScript file within the head tag of your HTML, the rendering of the page is halted while the external JavaScript file is downloaded and loaded. In order to speed up rendering of the page, you can move your javascript_include_tag from your head tag to the last line within your body tag [...]
There are lots methods in Rails where the last argument is a Hash. Sometimes the same Hash is passed into more than one method, causing you to repeat yourself. For example, when using validation helpers in your models, you may be doing something like this: Using with_options within a Model: Notice, :on => create is [...]
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