firefox - w3toppers.com

Why doesn’t Firefox show the correct default select option?

I had a similar problem, but after adding autocomplete=”off” HTML attribute to every select tag it worked. [I was using Firefox 8]

How to disable “This Connection is Untrusted” Certificate in FireFox?

Try this addon, it should do what you want: https://addons.mozilla.org/en-US/firefox/addon/skip-cert-error/

Install WebExtensions on Firefox from the command line

Please see: Installing extensions Customizing Firefox: Including extensions with your distribution of Firefox The question you link on askubuntu: How to install Firefox addon from command line in scripts? is several years out of date, but does have some good information. At this point, most Mozilla add-ons, including all Firefox WebExtension add-ons, are installed manually … Read more

Why got Firebug removed after updating Firefox to version 50?

Firebug does not work anymore once multi-process Firefox (separate processes for the Firefox UI and the websites) is enabled. See the related post in the Firebug blog. You may be able to reenable Firebug by setting the preferences browser.tabs.remote.autostart, browser.tabs.remote.autostart.1 and browser.tabs.remote.autostart.2 to false via about:config. Though at some point this preference will be removed. … Read more

How to disable Firefox’s untrusted connection warning using Selenium?

Just found this from the Mozilla Foundation bug link and it worked for me. caps.setCapability(“acceptInsecureCerts”,true)

firefox proxy settings via command line

The proxy setting is stored in the user’s prefs.js file in their Firefox profile. The path to the Firefox profile directory and the file is: %APPDATA%\Mozilla\Firefox\Profiles\7b9ja6xv.default\prefs.js where “7b9ja6xv” is a random string. However, the directory of the default profile always ends in “.default”. Most of the time there will be only one profile anyway. Setting … Read more

Avoid panel to autoHide in Firefox extension

This is the offical sdk method of doing it: let myPanel = Panel({…..}) let { getActiveView }=require(“sdk/view/core”); getActiveView(myPanel).setAttribute(“noautohide”, true);

HTML5 video (mp4 and ogv) problems in Safari and Firefox – but Chrome is all good

The HTTP Content-Type for .ogg should be application/ogg (video/ogg for .ogv) and for .mp4 it should be video/mp4. You can check using the Web Sniffer.

About Geolocation in HTML 5

How does it work? When you visit a location-aware website in Firefox, the browser will ask you if you want to share your location. If you consent, Firefox gathers information about nearby wireless access points and your computer’s IP address, and will get an estimate of your location by sending this information to Google Location … Read more