Set your ServerAlias directive to *.domain.tld - Here is a quick example. <VirtualHost> ServerName example.com ServerAlias *.example.com DocumentRoot /var/www/path/to/site </VirtualHost> Now everything.example.com and anything.example.co...

Just for reference strftime() arguments in ruby. Usage `Time.now.strftime("%B/%d/%Y")` %a weekday name. %A weekday name (full). %b month name. %B month name (full). %c date and time (locale) %d day of month [01,31]. %H hour [00,...

With namespace routes in Rails you can easily create a prefix for select resources. For instance, if you have an admin area or an account dashboard you can give logged in users access to methods that are not otherwise available. To use namespaces define t...

Prototype has a powerful API for accessing and manipulating the Document Object Model, A.K.A the DOM. The following code will let you interact with a simple web form. Suppose we have a form that contains hidden/or locked inputs and they need to be update...

Parsing for links with the Prototype javascript library is easy. Here is the pattern for finding links /(http|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^ =%&amp;:/~\+#]*[\w\-\@?^=%&amp;/~\+#])?/ And to implement it you can loop through your con...

To create a new user on Ubuntu (Heron8) adduser johndoe To create a new group groupadd barleyfarmers Add johndoe to the barleyfarmers group adduser johndoe barleyfarmers The adduser command, when you're first adding the new user accou...

Use screen when you want to manage multiple sessions in a terminal. Install it on Ubuntu sudo apt-get install screen There are a lot of options for screen. I won't go into them. I use screen most often when I shell into a remote server and want to hop i...

If you use the Paypal sandbox you'll notice that there is an IPN Simulator test tool. You must be logged to use it. This tool lets you test an IPN handler script for your application. If your script is not correct and you try to send a test IPN transactio...

Problem: using git and one file, like your db/schema.rb, is out of whack with the latest branch. If you run git pull and you get a failed merge and no update. You can of course, edit the conflicts manually. But what if you're confident that the latest sch...

Fixtures in Rails allow you to quickly and easily populate a database with sample data. They are great when testing your app and you need to test against a condition that will rely on a certain preexisting data point. Fixtures are located in your RAILS_R...