We recently decided to put static content for HouseTrip.com to Amazon Cloudfront for a faster user experience. This happens fully...
Install Ubuntu Server Download an image from this site Select File > New… to and follow the instructions, choose the .iso...
After a new system installation, Ubuntu One starts automatically and seems to try to sync your complete home directory. This...
When you want to quickly boot from a drive or image in a virtual machine you do not need to...
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector art of EPS, SVG, and...
The trick is this: send a low-resolution version of your image to the screen, and a high-resolution version...
If you want to play music or sounds from a browser, your choice is to use either Flash or the...
Whenever is a Ruby gem that provides a clear syntax for writing and deploying cron jobs.
Validations that need to access an associated object may lead to some trouble. Let's exemplify that using this example...
We often have a separate production branch that lags a bit behind the more cutting edge main branch. Sometimes you...
Occasionally you need to do something directly on the server -- like having all records recalculate something that cannot be done...
You can seriously speed up deployments with Capistrano when using a local git repository on the server you are deploying...
An alert alternative for jQuery that looks good. Apprise is a very simple, fast, attractive, and unobtrusive way to communicate...
Ruby comes with a class BigDecimal which you can use for arbitrary precision arithmetic. You should use BigDecimal instead of...
When storing floating-point numbers such as prices or totals in an SQL database, always use a DECIMAL column. Never...
When deploying an application with "cap deploy" by default [1] you only deploy your code but do not run migrations...
You set a flash message and it shows up as it should. However, it is displayed again the next time...
User Stories should describe what a user wants the system to do. Purely technical tasks should usually be implemented as...
If you save a non-standard object (not a String or Fixnum, etc) like the AwesomeClass from your application in...
If you want to have a new log file every day automatically, but avoid using logrotate, the CustomLog directive is...
You most likely have a form element inside another form element. Don't do that. Ever. Firefox and Chrome will...
You can use CSS attribute selectors in your step definitions like this: Then /^the page should have a meta description...
Partials always define a local variable with the same name as themselves. E.g. when you are in _recent_users.html.erb, a local...
The Edge Rider gem will define a method collect_ids on your ActiveRecord models, scopes, integer scalars and collections, which...