Drupal 7.x

Site must allow several resources to be scheduled hourly for a non-fixed quantity. Cost of scheduled resources should be paid through PayPal. Site must also allow files to be downloaded, and entry into class area after payment. Thanks

With Drupal 7 (HEAD), I am using the TableSort extender in a custom module to output some data in a sortable table. The problem is that if I add an expression (with $query->addExpression()) the query does not respect the order in which I added the expression. If I have 3 columns (1 real column, 1 expression, and another real column), it always puts the expression last, under the wrong heading in the table.

I'm using a zen child theme to customize the site I'm creating. I'm trying to figure out a solution to apply a background image to the left, center, and right of nice-menus text links. The site I'm trying to do this on is (for the hover state of the main links on the top) is...
http://choicefitnesstraining.com/drupal/

Well well I've just installed Drupal 7... And I'm curious... The core can manage the translation of nodes and the relations between them but what about the rest ?!
I mean that doesn't make any sens ! I know that I can make modules to get what I need... but I fail to understand why IN CORE D7 translates nodes but doesn't give a shit about the rest (menus, blocks, profile, mails...) sorry but for me it's just wierd.

EDIT :
The author confirmed that the descriptions on both amazon and the Apress site need to be rewritten and that we can expect the same structure as the previous books with the third edition. Yeah! Can't wait to get my preordered copy!
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I've found both the first and second editions of this book to be very useful. While searching for information about the third edition, I found the description of the book by the publisher to be very different from the previous editions. My impression from reading the description is that the third edition might be more of a 'using Drupal' kind of book than a 'developing for Drupal' kind of book.

Third edition description:

This book is geared toward professionals that need to deploy and customize Drupal. This book delves deep into the internals of the Drupal 7 system and teaches you everything you need to know to deploy a highly customized and optimized Drupal installation. Every web developer looking to deploy web sites quickly to their clients while still being able to harness the power of an excellent content management system needs this book.
What you’ll learn

* What Drupal is and why you should use it
* How to install a basic Drupal web site from scratch
* How to create content in your new Drupal web site

Hi,

I've been using drupal for a while and I haven't been able to figure something out.

I have a content type with many nodes and I want to create a list of all the nodes sorting by the terms of a taxonomy vocabulary and have headers separating each term's list.

IE I have a vocabulary called "Session" and it has numerical terms like "173," "172," etc. I would like them sorted with headers for each term but in a single list.