Random Articles

• Learning Ruby - Day 11  Day 11 - Program organization, Part 3 of 3. Today, Slagell clarifies the difference between classes and modules. As I mentioned back in my review of The Object-Oriented Thought Process, a ‘class’ in object-oriented programming is a noun, a Thing. Like a chair, a sweater, or Slartibartfast. Modules are like adjectives. All the nouns I mentioned
• Snippet: Copy MySQL Databases Over SSH I needed to copy a database and the idea of backing it up just to re-import1 seemed like double the work. Here’s a snippet to pipe a mysqldump into a remote database. Keep an eye on the user names and passwords - you’ll need 3 sets; one for the database your copying, one to get
• Restarting Rails with ‘Address Already in Use’ iTerm crashed on my this morning taking down my development Rails process. Now, I’m busy tailing cullect.com’s production.log and listening to some podcasts so I didn’t want to restart1 A little Googling found John Nunemaker’s year-old, “Oops I did it again” post. His tips worked. An I’m rewriting the following for Future Reference2: $ ps aux | grep
• Rails: Cookies, Frozen Gems, and TextDrive Jon Steinhorst once told me a movies are rewritten from script to shoot, and again from shoot to editing. I spent a good chunk of this week re-writing a Ruby on Rails app to go from development to production. Works fine in development. Not at all in production. The issue was a combination of frozen gems
• Learning Ruby - Day 9  Day 9 - Program organization, Part 1 of 3. Back in my review of The Object-Oriented Thought Process, I talked about the difference between is a and has a in programming world. Dave was then kind enough to clarify. Today’s chapter was that. In practical, We’re-Writing-Code terms, rather than the abstract, This-is-How-To-Think-About-It way of the previous