Torbjorn Zetterlund: a blog about data and technology.

  • What you need to know about WordPress Multi Site

    What you need to know about WordPress Multi Site

    A WordPress MultiSite is served by one code base, each site within the MultiSite uses the same database, the tables are numbered by the site which allows the separation of a site if you need to remove tables.  The user tables are still shared.

  • How To Safely Rename a Database in MySql

    How To Safely Rename a Database in MySql

    So you want to Safely Rename your MySql Database, here is a tip on how to do it. If you do not have phpmyadmin installed on your server, then below are the steps to safely rename a MySql database.

  • An early spring bike ride north of Amsterdam

    An early spring bike ride north of Amsterdam

    It was a lovely day, the temperature climbed above 10 celsius, and the wind was strong and cold, so not the perfect day for a bike ride, I had been waiting for a day like this all winter. I took my time trial bike out for a ride north of Amsterdam.

  • How to setup a MySql replication database for WordPress

    How to setup a MySql replication database for WordPress

    WordPress uses MySql database to store all the plugin options, theme options, your pages, your posts, users and comments, with more visitors your site need to be able to scale or in my case, I had user spikes (increased traffic) that took out the connection to MySql, as memory on the server was used up.…

  • How to create a Twitter List

    How to create a Twitter List

    If you follow a lot of people on Twitter, the Twitter feeds get very active, the tweets that you want to see disappear in the clutter of tweets. How to get to the tweets that you want to see. Twitter has a feature called Twitter lists.

  • Have you ever tried Google Hangouts

    Are you a user of Google Apps, did you know that Google Apps includes a videoconferencing service named Hangouts!

  • The hidden OCR feature of Google Drive

    The hidden OCR feature of Google Drive

    Google Drive’s Optical Character Recognition (OCR) lets you convert images with text into text documents using automated computer algorithms. Images can be processed individually (.jpg, .png, and .gif files) or in multi-page PDF documents (.pdf).

  • How to Investigate Companies

    How to Investigate Companies

    Recently I was on an Open Data conference in Amsterdam, I meet people from OpenCorporates, they have developed a toolkit that they call Octopus. This toolkit is a series of research tools on how to investigate companies and other types of organizations.

  • Check what data Google collecting from you

    Check what data Google collecting from you

    You have probably heard about big data, for the service provider to get the data they need to be collected. One type of data is location data, location data can be collected if you have the location tracking on in your browser, mobile phone or other devices like a fitness band.

  • don’t underestimate me

    Don’t underestimate me. I know more than I say, think more than I speak. Notice more than you realize. Torbjorn Zetterlund