How Many Gigs of RAM Are On My Server?
How much memory is on my linux server? Run the free command
free -g
total used free shared buffers cached
Mem: 2 1 0 0 0 1
-/+ buffers/cache: 0 1
Swap: ...
Written by Sean Behan on 06/17/2012
Rails Helper to Remove Leading Zero in 12 Hour Time Format
I can't find a strftime() format that will output the hour without the leading zero. For instance 6:20 will be instead 06:20. This just looks a little sloppy. I created a datetime.rb intializer which will contain custom datetime formats for my applicatio...
Written by Sean Behan on 06/17/2012
Absolutize Relative Links Using PHP and Preg_Replace_Callback
I was in the market for a simple php script to replace hrefs with their absolute paths from scraped web pages. I wrote one myself. I used the preg_replace_callback function so that I could pass the parsed results as a single variable.
<?php
$domain =...
Written by Sean Behan on 06/17/2012
Get Child Categories of Parent Category on Single Post in Wordpress
I was hoping to find a function in the Wordpress API, that goes something like this...
the_child_categories("Vermont");
// print Burlington, Brattleboro... etc if this post has any child categories of Vermont
But I could not. The result that I did ...
Written by Sean Behan on 06/17/2012
PHP Paypal IPN Script
Simple script for posting a valid response back to Paypal service after a sale is completed using the Paypal Instant Checkout payment method.
<?php
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';
foreach ($_POST as $k...
Written by Sean Behan on 06/17/2012