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In Drupal 7, the created and updated "fields" on nodes (and other entities) are properties and not proper fields. …

The near defacto solution for this is the Radioactivity module: This module provides a field type which can be used as a hotness metric or a regular view counter for entities and for much much m …

The Metatag module doesn't provide a UI for custom tags, but it does have an API for defining new tags. If you want to go down this route, look at the included Darwin Core sub-module for how it imple …

The near defacto-standard for this in Drupal 7 is the Workbench Moderation module, which is part of the broader Workbench suite. …

I can only provide high-level guidance here, but you need to use the Feeds Tamper module, which allows you to alter data between when it is read from the source, and then passed to Feeds. However, I …

It has been a while since I have done a proper D2D migration (I do more imports from non-Drupal sources using custom scripts), but you should be able to examine the migration map table(s) for nodes. …

The Drupal way is to have a $reset parameter to your function. It would look something like: function _mymodule_call($reset = FALSE) { if ($reset) { // do stuff } // ... } node_load() is …

There isn't an individual function in Drupal 7 that just handles the file cleanup. Also keep in mind that when you run drush like this, you are running as the user who you logged in as. …

You should always program to the API and not the implementation. If Drupal provides a mechanism to do something, use it. module_exists() should almost always be used for soft dependencies on somethi …

You can use format_interval() to do this. function MYTHEME_preprocess_comment(&$variables) { $comment = $variables['elements']['#comment']; $variables['created'] = t('@created ago', array( '@ …

drush cc all is the safest bet. Visiting www.example.com/update.php will also clear the caches, but you need to be logged in. Otherwise, this is a DOS vector.

Drupal 7 is case-insensitive with regards to inbound URL routing. However, I am not 100% sure this is always the case with Views arguments being pulled from the URL. …

Yes and no. user_load() leverages a per-request cache. This is implemented as a static cache in the entity controller (see the DrupalDefaultEntityController class). So, if the same user is loaded m …

Your problem is more than likely that you are placing the rewrite rules after the catch-all rule. Try restoring the stock .htaccess, and uncommenting lines 92-94, so that it reads # To redirect all …

User passwords are stored using a one-way hashing algorithm and cannot be converted to plaintext. In addition, each Drupal site uses a unique cryptographic salt, so that the same plaintext password o …