entityQuery is one of the most used functions in Drupal. It helps you easily pull Drupal entities in code. But when you use this in contexts other than controllers, say in cron-jobs or update hooks where the system is accessed as anonymous users, it may not work as expected in Drupal 9 Unless you call accessCheck explicitly. This short article talks about how to use entityQuery in these contexts and write entityQuery compatible with Drupal 10.x
Technical Q&A

From MySQL 5.7 onwards, the error SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column will appear if any non aggregated columns are in the select list, which is not in the group by clause. This article discusses one such use case with Mautic and how we solved it.

A step-by-step tutorial on how to configure Lando with Drupal to use a custom domain in your local development environment.

So, what exactly is white box testing? This article will discuss white box testing techniques, examples, and more.

Agility is at the core of any Drupal site building project. The market changes fast, so the business needs. A Drupal site builder or developer also needs to support the business in this agile environment. This tutorial covers how to solve the error - "There is data for this field in the database. The field settings can no longer be changed."

In Drupal 8 or above managing configuration in code is not a challenge, but in the case of Drupal 7, it is still a big issue. Developers often create a module for this and use hook_update to maintain configuration in code. Here we are trying to list 10 common use cases for the making configuration changes using hook_update in Drupal 71
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The SMTP module enables your Drupal CMS to use your existing SMTP based email delivery platform to send emails. This blog cover steps to configure the SMTP module for Drupal.

Testing email functionality in Drupal is a common use case every developer encounters frequently. Setup a full-featured email system locally or using a 3rd party service for just testing emails may not be feasible always.
Mailhog is the best solution available for this scenario and the bonus point is that it works perfectly with Lando.

"The website encountered an unexpected error. Please try again later." this is the most common error encountered by a Drupal developer. Usually, errors are logged by Drupal and the logs can be accessed from Admin->Reports->Recent log messages. But when you get "The website encountered an unexpected error. Please try again later." you cannot even access the reports dashboard.

You can always create a view manually, and change the configuration one by one manually. And, all done. But, still, there is a chance of manual error. Drupal9 allows you to import-export views.
You can follow the below steps to Import and Export views

In pre Drupal 8 era, the global variable $user was available every where, from you can easily get the current logged in user id. For all new version of Drupal, you should use
\Drupal::currentUser()->id()
Once you have the user id, you can use the User::load to get the user object.

The Drupal Publish Content module is a simple module that provides you additional permissions to allow users to publish or unpublish content without having to give the user the ability to administer all the content on your site. This module is a lightweight solution to help you build out your content management workflow on your Drupal site.

In Drupal we can use Drupal::entityQuery() & Node::loadMultiple() to load all nodes of given type

As we know, all content in Drupal is treated as a node. We can load a node entity by ID, but how can one load a node based on its title? Let's check how:
It is interesting to see how Drupal improves overtime on this.
In Drupal 6, it was just node_load.

Discover the steps to create a Drupal 9 Taxonomy term programmatically.

Have you ever faced any difficulties while taking the backup of the Drupal site? Developers usually need to take the backup of the Drupal site during the time of the security update.

Have you ever faced problems trying to delete all the contents of a particular content type in a Drupal website? Drupal is a CMS technology and supports Drupal developers/content writers to add content. I think content writers can face problems while trying to delete content. There are two modules in Drupal that help us overcome this issue, they are:

Clearing cache is something that a Drupal developer do frequently. Here are the 4 most popular ways to clear the cache.
1.Install the devel module which adds a cache clear option for administrators. You'll find a devel block to add to a region for quick cache clearing.
2. If you install the admin menu and get a quick menu in the top left for clearing various caches in Drupal.

Discover How to check the current Drush Version.

If you installed the latest version of drupal9 it will have the following directories. compare to other versions of Drupal, drupal9 does not have a libraries folder