Cat Film

Quicktime to AVI converter for free

There’s a free and fast way to do it.  All you need is a ffmpeg and the parameters and you’re all set to go! Make a directory called temp. Let’s put it on the Desktop. Put the Quicktime movie you’d …

Pencil Tip

Vim line

To show line numbers, type: Hit ENTER. You can also use the abbreviated command: To hide line numbers, type: To line wrap, type: To remove line wrap, type: To determine the line count, go to the end of the file …

Laptop Hand

Vi Help

New to Vi? Vi (pronounced vee-eye) is a text editor. It allows you to edit files interactively and visually see the changes at the same time. The original Vi is a modal editor consisting of two modes: normal mode and …

What is a D-ring?

What is a D ring?

A D ring is a ring shaped like the letter D. But that’s just the tip of the iceberg… While researching the best way to hang my mirror, I found D rings are used in a multitude of ways and …

Gadget Graph

What is an exchangeability martingale?

Exchangeability martingales can be used to find strange or odd data points. The mechanics of exchangeability martingales is still a bit of a mystery to me. However, posted below are the basic components and how each step gets us to …

Broken Chain

Broken link checker analysis with R

You’ve found a few broken links on your blog or web site, and now you wonder whether there are more. Here’s a quick way to get a sense of how big the problem is. You could basically take 2 different …