Adelani Adekunle - Is Drupal secure to use?


I am Adelani Adekunle. I am using Drupal to made my website. But i am not sure whether Drupal is secure to use.

Drupal Open Curriculum Initiative


The objective of this initiative is to create an Open Curriculum for new developers to come into Drupal and get trained in the various aspects of Drupal development. The curriculum is aimed at helping Drupal companies train new recruits in Drupal in a systematic and structured manner. The training is expected to happen through in-class sessions, self-learning, training exercises and finally on-the-job learning. The open curriculum is expected to be a framework that will allow the developers to build an understanding of the technology and then fill in details as they go through the process of training and working on projects. See more at

Drupal Theme Editing or Use Sub Theme

I am actually building a site in Drupal using a online Theme builder Template Toaster.
I read out somewhere that rather then editing a Drupal Theme,we should add a sub theme in it.

Is it fine to add a sub theme & how to do it ? I am new to it and generally need urgent help.

Issue udating from 7.32 to 7.41

I have updated the drupal core to 7.41 . when i am updating the modules manually i run into error

PHP Fatal error: Class 'DrupalDefaultEntityController' not found in ...

i have tried fixing the error by rebuilding the repositories using Registry_rebuild
and also tried with drush .

when are try using with update.php method, it gives another error saying An AJAX HTTP error occurred. HTTP Result Code: 500 Debugging .

Notice "Undefined index" after saving a page

Hey Guys,

since a couple of days, I get the following Error message after I've saved a content page.
Notice: Undefined index: n0151 in include() (Zeile 1 von /mnt/webw/c0/01/5220001/htdocs/drupal-cms/modules/system/html.tpl.php).

The Notice appears just only in admin view, not in the common user view.

There were no changes on the Durpal System within the last couple of month and I'm wondering why this happens and why now.
I've already delete the drupal cache, but this didn't resolves the issue. Any ideas?

embedding rate and embedding capacity of PVD stenography

How to find the embedding rate and embedding capacity of PVD stenography in matlab?


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