Module development and code questions

During the setup of the E-Publish module on my site, I may have borked a table prefix change. Now I get the following error when I attempt to use the module:

The correct table name would be "drupal_epublish_abstract", but the select statement is confused.

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Database error:

Hello drupal folks,

I read a lot of postings, but I didn't find an answer for my problem.
First of all: drupal and Gallery are a great piece of software. But as a Newbie there are a lot of quetsions.
I have installed drupal 4.6.3 and gallery2 some day ago. Standalone both works fine. I installed the gallery into a subdirectory of drupal.

My Problem:
In the integrated Gallery I didn't see any images.

Link to the Gallery (standalone)
http://www.mastermarx.de/drupal/gallery2

Hi,

I'm interested about this. I know there's the 'massmailer' module, but this apparently requires PHPList, which I looked at but didn't like.

I'm considering writing my own mailing list module but the chances of me being able to make head or tail of Drupal's code in order to do that is low.

Anyway, before I even begin I need to know why no one's already done this? Is there a fundamental reason it's bad? Are you open to some sort of anti-spam things on peoples' email servers?

Basically I wanted:

To those who were able to test Robert's enewsletter module, do you think it can already be used in a live site? Am planning to use it as soon as I'm confident it's stable enough for live use. Any feedback would be greatly appreciated. Would really want to use a newsletter at my site to increase traffic -- always had my eye on the enewsletter module since it has the batch send feature (my host limits the sending of mails to 200 per hour)which I need. Thanks in advance! :)

Hi Ppl.. I have known Drupal for only about few months and am very much impressed with it. I am wanting to migrate one of my sites to Drupal(I've already made couple of Drupal based sites).

For doing this i need to have a custom module developed. I have looked around but could not find it anything similar to it.

Hi,
I searched (probably with the wrong words ;) ) but didn't find an answer to my question:
http://drupaldocs.org/api/head/function/arg says "Avoid use of this function where possible, as resulting code is hard to read. Instead, attempt to use named arguments in menu callback functions.See the explanation in menu.inc for how to construct callbacks that take arguments."
Where can I find the explanation or an example?

Thanks

Ralf