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Conversion Matters

Conversion Matters

http://www.conversion-matters.co.uk

A blog focussing on analytics and conversion with some search on the side. Regular tutorials in Google Analytics are also produced.

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  • Shwartzian Transform

    Posted on Wednesday December 23rd, 2009 at 21:42 in perl, code

    I was trying to merge sort a list of files based on their last modified date when someone said to me “do a schwartzian”. Now, I had no idea what they were talking about so off to google I went. It’s basically this (shamelessly ripp...

  • Finding which package a file belongs to on Debian

    Posted on Monday December 14th, 2009 at 05:15 in Linux, Quick Tips

    With Debian there is a handy utility called apt-file which allows you to see which package owns a file even if it is not currently installed. I used it earlier to find where “mysql_config” lived so I could upgrade DBD::mysql. aptitude ins...

  • Running a unix command as a background process

    Posted on Monday December 14th, 2009 at 05:12 in Linux, Quick Tips

    If you run a command and it takes a long time on unix it blocks the current terminal, however, if you hit CTRL - Z it pauses the job, then if you type bg it resumes the job in the background freeing up the current terminal. Also, if you prepend a �...

  • Tweetfactor – An experiment using Ruby, Sinatra, Twitter and Redis

    Posted on Tuesday December 8th, 2009 at 15:42 in code

    I stumbled across a blog post by digitalhobbit about building a little Sinatra App on top of the Twitter Streaming API. I followed that guide and made the core of Tweetfactor a couple of weeks ago. Actually getting the thing deployed, however, was p...

  • Kill A Process Using It’s PID File

    Posted on Monday December 7th, 2009 at 14:46 in code

    Quick Tip: kill $(cat /var/run/redis.pid) I needed to do that earlier and didn’t know how. EDIT: Turns out you can just do this as well: kill `cat /var/run/redis.pid` Related posts:Tweetfactor – An experiment using Ruby, Sinatra, Twitte...

  • An Analysis of Amazon against Neilson’s Usability Principles

    Posted on Wednesday November 4th, 2009 at 12:46 in usability, software engineering, hci

    Using Nielson’s Usability Principles devise an evaluation plan to assess the ‘quality’ of the site. Your answer should clearly identify where improvements can be made. Neilson’s Usability Principles provide a set of guideline...

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