Bulk attachment, content and document migration using Apex Dataloader
Migrating content (documents, images, pdfs, etc)  from a content management system (CMS), another CRM (Goldmine, ACT, Oracle), or simply from another instance of Salesforce.com to your instance of Salesforce can be painful. There aren't many resources on the web describing how to perform this type of migration, but this post should hopefully help.

Preventing focus of first input field and Calendar widget on page load in Salesforce
Sometimes in salesforce visualforce pages, the first input field on the page will automatically be set to focus on page load. This can be very annoying and confusing to a user, sometimes scrolling the page to the far right, halfway down the page, or opening up the calendar widget over your other content by default.

Visualforce actionStatus Component using the salesforce animated gif
In this post I will show a example of how to use salesforces animated gif and the visualforce actionStatus component to represent a loading screen to the user. This can be very beneficial if you have a tab panel to switch in between tabs, or if you are rerendering a pageBlockTable etc.. This visual stimulation is much more appealing than a blank white screen or just a static screen that is populating asynchronously, which could confuse or frustrate a user into clicking off the screen.

Monitoring Salesforce.com Governor Limits
As a multitenant environment, Salesforce.com strictly enforces governor limits to ensure that runaway Apex does not monopolize shared resources. This article will show you how to monitor code executions and compare the results against Salesforce.com governor limits.