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I have an AJAX web application which is very sensitive to the number of connections allowed by the browser. Bad things happen when the limit is set up low: frozen screens, uncommitted transactions, deadlocks etc.

In order to prevent this I need to check the current value of configuration parameter "network.http.max-connections-per-server" programmatically (i.e. by the javascript code) and reject a request if the limit is too low with appropriate instructions to the user.

I guess it's possible because "about:config" renders all parameters values and even lets user to modify them. However the code behind the page is very complicated so I can't figure out how to perform my task. All I need is a function or method returning the current value of a given config parameter.

Any help will be greatly appreciated.

Anatoly

When I put my mouse over a hot link on a web page I do not see the url that the link will take me to. In other words, I have no idea where the hot link will actually take me. In the windows versions of the browser, the destination url is shown at the bottom of the Firefox window. Is it possible to activate this feature on the 3.6.6 Mac version of the browser?

I have a mobile phone HTC touch pro 2. Can I install the automatic refreshment tool, so that the internetsite where I am looking at, refreshes automatically? The internetsite is my employer's and I need to get my work from this site. When there is a new job, it will be put on this side. So I need an automatic refresher so se immediately the changes (when there is a new job). Ofcourse I can do it by hand, but that is timeconsuming (and boring). If yes, how do I have to install it?

I accidentally checked the "do not show this message again" box on the notification that private browsing is about to begin. Is it possible to reactivate this message somehow?

Using dual boot OS, Windows XP SP3/ Ubuntu 10.04. Same Firefox v3.16.13. In windows, using the view button in the menu toolbar, I can turn off the menu toolbar. Using Ubuntu, the same option isn't available in 'view'. I've used "About:Config" before, but am very careful and document any changes. Any time I need access to menu items, using windows, I simply use alt=_.

By default it isn't enabled, but as most spoofing sites will try to redirect you, I've had it enabled for a long time - but it seems that more than half the sites I try to go to these days are redirecting. So it has become a pain clicking anything in Gmail as I have to mouse over and allow the redirect by clicking in the top r.h. corner.

(As I do a LOT of research, often 50 clicks from my emails every morning, this is tendonitis territory, not laziness! :-) )

So - how useful is this option? Especially when not even a default?

I saw on some other systems (Linux using Iceweasel) they block flash swf files but not make them disappear, they remain the same size but if you want them to load you click on them to show them, how can I do this in FF?

The important thing is that I don't want a page to show like this:

http://tinypic.com/r/2ykeyjl/7

I want it to appear like this:

http://tinypic.com/r/2lo43rq/7

In Firefox 2.x the "Page Info" dialogue has the "Forms" and "Links" tabs, but they are gone in the latest version. It seems that this is not documented in the Release Notes. How can these functionalities be restored ?

How do I save increases in text size. The zoom feature reverts to earlier setting when I change web page. I was not able to change font size using font setting under content tab in tools.

Someone added several tabs that open along with my home page each time I start Firefox. I know how to close them manually once Firefox is open, but I would like to remove them so they never open in the first place.

I'm a novice at this but found where you could create a custom persona after right clicking fox mask and add a picture. It looks like you can add text too (it says default text color), but I couldn't figure it out. How would I do this? Also are there step-by-step instructions online for creating a more robust custom persona? Thank you so much!

In FF3.x you had a tiny arrow next to you back button, which you could use to access the history for the currently opened tab.

Is there a way to get this feature back in FF4?

When I upgraded to Firefox 4 my Bookmarks toolbar was still there but instead of going across the entire screen, on the right side is the drop-down Bookmarks menu (with options Show All Bookmarks, Bookmark this Page, and all my bookmark folders). When I turn the Menu Bar back on it disappears from this place since it is in the Menu Bar instead. I would like to have the Menu Bar hidden, but I don't want the Bookmarks menu taking up room in my Bookmarks toolbar either. Is there any way to move it (or remove it)?