Topic view

Image styles allow you to set pre-determined graphic templates that lets images on your site have a consistent size or scale. Image styles allow you to crop, resize, desaturate and rotate images before they are displayed. Drupal offers three image styles - thumbnail, large and medium. This article demonstrates creating new custom image styles using Drupal UI.

Blocks in Drupal are similar to widgets seen on other websites. Drupal 7 allows you to create a block by either using a custom module or Drupal GUI. This article demonstrates both methods. For creating a block using a custom module, you will have to work with Drupal hooks. Creating a block via GUI is a lot simpler. All you have to do is navigate to Add Block under Structure. Fill in the empty fields with necessary data.

Building a large website on Drupal is no easy task. There will be a huge number of views that require customization based on the requirements of your website. This article takes you through view theming in 3 methods – by modifying the template files, by using the Drupal View UI and by creating your own template files.

People who have used Drush extensively must have noticed the error "Could not login with user ID #0". This is accompanied by this message – "This is typically caused by importing a MySQL database dump from a faulty tool which re-numbered the anonymous user ID in the users table. See http://drupal.org/node/1029506 for help recovering from this situation." This error occurs because uid = 0 got deleted in the users table. This is resolved either by using user 1 instead of user 0 or by restoring user 0 in the “users” table. This article explains both options.

This article demonstrates how to integrate Drupal with Mandrill in order to send transactional emails. For those who don’t know, Mandrill is an application that was developed by Mailchimp. It sends out transactional emails while allowing you to track valuable details about mail analytics. To follow the article, you will have to create an account with Mandrillapp.com. Perform configuration updates as provided in the article. Finally, test the emails to verify if they can be sent via Mandrill.

Sahi is a popular open source web application and browser testing tool. While working with Sahi, we noticed a peculiar error would occur frequently. The error – Too many open files – was being given within 5 minutes of a restart. A search on Google revealed that in Unix, the system and user has a maximum number of files it can open simultaneously. This article demonstrates how this error was resolved.

This article is for those users who have worked with the Finder graphical user interface found in Mac OS systems. The article helps you add a shortcut to a folder you created under Favorites section of the Finder window. This article is accompanied by a video and a series of steps to highlight the process.

In this article, we demonstrate how to use HTML Mail module along with SMTP. This will allow you to configure your Drupal site to send HTML emails via an SMTP server, such as Gmail for business.

This article highlights an issue faced by developers who have worked on caching using Authcache ESI and Varnish. At times, the blocks for which Authcache was enabled wouldn't get displayed on the page. After debugging, it was discovered that the main issue was the interaction between Authcache ESI and Context module. The Context module displays blocks even if they are not enabled to be shown on any region. Authcache ESI consider these blocks as disabled and does not cache them. It doesn't take into account the fact that Context module displays them. As shown in the article, the resolution for this is to create a non-public page and take it off the sitemap.

This article demonstrates how to override theme functions in Drupal 7. All theme functions are prefixed with theme_ and can be overridden in template.php.

The article is supported by a 4-step process and a snippet of code to help you understand the process better.