On the Mac OS X bash command line, you can delete all directories, with the exception of one, in the following way. If our current directory has sub-directories and we want to delete all of them except, ./really-important-do-not-delete, we can run $ shopt -s extglob $ rm -rf !(really-important-do-not-delete) $ ls really-important-do-not-delete $ original source
With WordPress 5.0 a new block-based editing experience will be introduced (a.k.a. Gutenberg). This new editing experience is available via the Gutenberg plugin. By adding this plugin to your (development) WordPress website, you can preview the new editing experience. At the time of this writing, Gutenberg is still under-development so I recommend only installing it […]
There is a very useful command line tool called which. This tool determines which file will be executed when you type it. Unfortunately, this command can sometimes provide the wrong answer. Background The PATH environmental variable is a list of directories to check for an executable when it is entered. This means that an executable […]
This tweet blew my mind. $ git log | vim -R –Now press <K> on a commit hash. — Luke Diamand (@LukeDiamand) February 21, 2018 I spend a lot of my time in Vim and Git and this is an amazing combination of the two. While I love this command, I think we can do […]
Once an article reaches a certain length, it is valuable to allow linking to a specific part of the page by creating anchor locations. Unfortunately, creating an anchor location in WordPress involves writing raw HTML, which is not an ideal client solution. There are other solutions out there but Blinebury Design wanted a specific set […]
When I was a child, my mother often reminded me to clean up after myself. While I’m pretty sure she was talking about the kitchen, this is great advice for plugin authors as well. When someone deactivates your plugin, it is good form to remove anything you added to the database. The most common place […]
I was working on a project where I needed the functionality provided by the WordPress PHP function sanitize_title(). Unfortunately, I needed this functionality in JavaScript. As with many problems in programming, this turned out to be more complex than I originally thought it would be. I discovered there were a number of edge-cases that I […]
When working in WordPress, it is common to extend the platform with Custom Fields that go beyond the default functionality. Two popular choices are Advanced Custom Fields (ACF) and CMB2. My Preference My personal preference is CMB2. At the same time, there are many developers I know and respect who prefer ACF and use it […]
There is a vulnerability in the PHPMailer library that affects any version before the critical release of 5.2.18. This PHPMailer vulnerability has been publicly disclosed at legalhackers.com. The PHPMailer library version 5.2.14, a vulnerable version, is included in WordPress 4.7 (the latest version at the time of this writing). In other words, WordPress 4.7 and […]
On November 20th, 2016 I gave a talk called How Responsive Images Work in WordPress at WordCamp Baltimore, this is the companion post to that talk. The slides for the talk are available at How Responsive Images Work in WordPress How Do Responsive Images with srcset Work in General? In my previous post Responsive Images […]
