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Andrew Fletcher
On a server directory with over 100,000 PDF files, I needed to verify the existence of specific documents. Whether there are a few hundred or whatever the number of files, this article explores the practical use of command-line tools to quickly ascertain whether a file is present. In the area of server management or application development, especially on systems like Ubuntu equipped with Nginx, it's crucial to perform routine checks to ensure that all necessary files are in place. Whether it's...
Andrew Fletcher
Recently, I encountered an issue where my local Docker environment refused to...
Andrew Fletcher
The issue – I have a content type that includes an entity reference revisions...
Andrew Fletcher
When building a theme in Drupal, it's often necessary to adapt your site’s UI...
Andrew Fletcher
Recently I came across this piece of gold when dealing with databases,...
Andrew Fletcher
Dealing with errors in Drupal development is a common occurrence, and understanding how to interpret and resolve them is essential for smooth development workflows. In this article, we'll delve into a specific error message related to render arrays in Drupal and discuss steps to diagnose and fix the issue.   The error User error: "attributes" is an invalid render array key in Drupal\Core\Render\Element::children() (line 98 of...
Andrew Fletcher
Alright, picture this: you're knee-deep in Drupal 10 development, churning out...
Andrew Fletcher
I'm getting the following error TypeError: Cannot assign null to property...
Andrew Fletcher
Have you ever walked into a situation at work and just wondered how everything...
Andrew Fletcher
The red flag was when I saw the server disk space is showing a site is taking up...
Andrew Fletcher
Extending the functionality of a contrib module in Drupal can enhance its usefulness without altering the original codebase. This article provides a step-by-step guide on how to add custom configuration options to an existing contrib module, using the sitewide_alert module as an example. We will extend its configuration by adding new settings through a separate custom module named sitewide_alert_ext. Prerequisites Drupal 10 installation sitewide_alert contrib module installed and enabled Basic...
Andrew Fletcher
When receiving a logic error such as LogicException: Form errors cannot be set...
Andrew Fletcher
Adding a new service to a custom module and the following error greeted me: The...
Andrew Fletcher
  Continuing on from the Drupal 9 to Drupal 10 upgrade outline written...
Andrew Fletcher
To view the email before it's sent from Drupal, especially when using Drupal 10...