Category: WordPress

  • WordPress tip of the day: listing all filters

    WordPress tip of the day: listing all filters

    One of the most interesting and powerful design components of the WordPress software are hooks. They are not unique to WordPress, but it is the main software I use that relies on them so heavily. There are two types of hooks – filters, and actions. The main difference is that a filter expects some sort…


  • Photos, EXIF, IPTC oh my!

    Photos, EXIF, IPTC oh my!

    Today I wanted to make a post on my blog with a bunch of pictures. I used my Canon DSLR over the weekend, and I imported all the pictures into the Photos app on my Mac. My normal workflow is to first go through all the pictures and choose the best, which is usually somewhere…


  • UNIX tip of the day: units

    UNIX tip of the day: units

    A colleague at Automattic today shared an interesting post about a strange sorting bug in PHP, and another colleague shared one I had read before – about how “our email system cannot send emails over 500 miles“. I had remembered reading that one sometime in the last couple years, but couldn’t remember all the details,…


  • TIL: Elasticsearch timeouts

    TIL: Elasticsearch timeouts

    Lately at work at Tumblr I have been working on creating feeds of posts based on the country in which they were published, or the country in which users liked or reblogged a post. I didn’t want to do a simple filter, but rather use a boosting query to boost localized content, while also accounting…


  • What is a professor?

    What is a professor?

    Yesterday at dinner my 12-year old son asked me if I used to be a professor. “No, I didn’t.” But I did teach at a university, right? “Yes, I did.” And thus began a 20 minute explanation of what it is to be a professor. I thought I would summarize it up here, since it…


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