Is it possible to make this addons? - firefox

I am still learning programming (PHP for now) and HTML. I want to learn how to make a firefox add ons, but I am not really sure how. What programming language do I need to use or what software?
If I could make one, I want to make an customizable icon/logo to my fav website, for example I can put an facebook icon/logo right next to my homepage icon, but I can change it (or add if it possible) to any website and can change the logo picture and the link. is that possible?
P.S. Sorry bad English and I hate bookmarks toolbar :(

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Can you change the theme of an existing powerpoint with Python-pptx?

I was wondering if there was any way I could change the theme of an existing PowerPoint using Python-pptx.
I realise that the easiest way of inserting a specific theme of a powerpoint, you just open a "template powerpoint" with the theme in it. However, I want to automize converting themes of existing PowerPoints, I'm not creating new PowerPoints from scratch.
You might say: just copy and paste slides into the PowerPoint with a specific theme. However, copy and pasting slides is extremely error-prone as well, seeing they work with slide indices which seem quite tricky. And I'm not even sure whether the pasted slides automatically assume the theme of the new document.
Therefore I was wondering if anyone knew of some kind of theme object I could call and change using Python-pptx?
Thanks in advance
The short answer is no. Implementing that would be a fairly big deal and there are no current plans to add it.
If you wanted to do that to several decks, you might explore using Visual Basic for Applications to do it in a Microsoft Windows environment. You might also explore using the win32com interface to control the PowerPoint application from Python, I think that also requires a Windows environment.

Popover image not appearing

First time here, forgive me if I'm new, but I can follow ideas.
I will give you a link to my site, as seeing the problem, you may go "ahhhhh" gotta cha! (i hope!)
I have a site that the image popover stopped working. as to which code changed, im not sure.
It is a shopify shop using .liquid with an owl carousel and lightbox within the pages, and perhaps when i used a "Live theme Editor"
code was modified.
Here is the link to an example of a page. all the product pages and have the same problem. I can only open in a new tab, etc. to se the pic.
https://www.japandizness.net/collections/frontpage/products/new-japan-secret-honey-disney-2015-snow-white-dress-version-4
Thanks greatly for help and time on things great than i understand, but i will learn something and pass it on!
Jeff :D

How to add RichText editor to a page as component in HippoCMS?

I'm creating some project using HippoCMS 10 and I need to add RichText editor as part of the page, so that customer can use it and fill something there. This editor must act exactly the same way as in Document Editor (customer can click Image button in toolbar and select image from ImagePicker dialog box).
Can't find anything about it in HippoCMS official documentation. I learned how to create custom plugins and how to integrate CKEditor into page separately, but for image picking, I need default behaviour as in Hippo.
How can I achieve this? Any help will be appreciated!
I think your question was answered on the community group. The answer there was:
"it should be quite easy to have a CKEditor in the website.
However, it doesn't really make sense to me to have site visitors able to pick CMS documents and images from the site. The picker dialogs are designed to work inside the CMS only. You should be able to create your own picker dialog that can read from a REST service that exposes the images/documents.
I don't think it will be possible to reuse the CMS picker dialog in the site."
and
"your use case is fine, when I said "it doesn't really make sense", I was really referring to the technical limitations of the pickers. You should be able to achieve what you want with a custom dialog that plugs into a REST service though. Unfortunately there is no quick solution for this that I can think of."
Just adding this for future reference.

Column navigation

Is there any module available for column navigation style for eg. joomla main navigation? . I am using joomla 1.7
I think they might be using IceMegaMenu, which I've tried myself and works really well. I personally think that it should be integreted as a standar feature, as it really chenges the way menus act and is 100% compatible (you may even choose to make it work without js, and results are still great).
PS Hoping that this won't be considered spam, you can see the menu in action, as I've implemented it, at my web site. It's a very standard version, without js.
For a complete overveiw of the features you may have a look at the official Demo, it really looks like Joomla.org relies on IceMegaMenu...

Ajax Image gallery / Open, Close Window Effect

Can anyone point me in the direction of such a script? It should also be able to work when called into another ajax window. This is the type of gallery i am going for:
http://dageniusmarketer.com/DigitalWonderland/pages/DemoGalleryExample.html
It should go on this page:
dageniusmarketer.com/DigitalWonderland/
Portfolio section.
This script should be real simple to use with minimal extra files to make it work. I also should be able to just drop images in a gallery folder and it populates the gallery automatically with thumbnails....I shouldnt have to write code for each image in my html. Should be all dynamic.
I also would like to know how I could go about a window effect where every time I open up a new section via my navigation, the window shrinks closed with the old content, then expands open with the new content. the window effect should be vertical (top to bottom shrink into center, expand from center top to bottom)
Please Let me know. Thanks
JQuery is one of my personal favorite javascript libraries (along with 99% of this site apparently!)
But it will have a learning curve, as your requirements seem pretty specific, and you will have to read some documentation to pull it off.
Try Spry from Adobe. They have a very similar demo. Also, the other common frameworks for this would be prototype/scriptaculous, dojo, mootools, jquery. In many cases they have extensions that would provide the exact thing you are looking for. For example, try
shadowbox extension which is framework agnostic. Best of luck!
Imago looks promising:
http://imago.codeboje.de/
Just discovered the very awesome-looking jQuery Tools library today. Meets your "simple and minimal" requirements and could probably pull off what you've sketched, with just the "tooltips" and "scrollable" components.
I also should be able to just drop images in a gallery folder and it populates the gallery automatically with thumbnails
My instinct is that you'd be better off writing server-side code to handle this part of your requirement.

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