Change console color in Mozilla Firefox Web Developer theme?

Does anybody know how I can style the Firefox built-in Web Developer (devtools) theme? I am using the Dark theme, a...

Cannot click OK popup button javascript?

I have one case about popup button javascript,Difficulty to click "OK" button. Usually i use "assertconfirmation" co...

Webdriver and proxy server for firefox?

are there any ways to set firefox's proxy settings? I found here information about FoxyProxy but when Selenium works...

Which Firefox version is compatible with Selenium 2.53.0??

Which Firefox version is compatible with Selenium 2.53.0? I tried Firefox 45.0 and I am getting this exception: org...

Script for clearing Chrome or Firefox cache on Windows?

With Internet Explorer you can create a .bat file to clear the cache. Example: RunDll32.exe InetCpl.cpl,ClearMyTra...

Image mysteriously ignoring max-width in Firefox & IE?

So I'm trying to display images as big as possible with no cropping on any screen size. This means height: 100%; wid...

Debug Java Script with Visual Studio 2015 on Chrome or Firefox?

I can debug with IE without any problem, but when I try different browsers code is not stopping on breakpoints. I ha...

How to load firefox profile with Python Selenium??

I'm trying to get Python Selenium to work on my Windows Machine. I've upgraded to the latest versions of Firefox, Se...

Selenium using Java - The path to the driver executable must be set by the webdriver.gecko.driver system property?

I am trying to launch Mozilla but still I am getting this error: Exception in thread "main" java.lang.IllegalSta...

Selenium using Python - Geckodriver executable needs to be in PATH?

I'm new to programming and started with Python about 2 months ago and am going over Sweigart's Automate the Boring S...

Error `sec_error_revoked_certificate` when viewed in Firefox only?

I have an SSL certificate that does not inhibit the loading of a client's site when viewed in Chrome, Safari, or And...

How can I inspect disappearing element in a browser??

How can I inspect an element which disappears when my mouse moves away? I don't know it's ID, class or anything bu...

What is the “Google Update” Firefox add-on??

Browsing through Firefox's Add-ons list, I've discovered that there is one named Google Update, which I don't rememb...

Why am I getting error message “Sorry you are not using tor”??

Rather blindly I did the following steps from a Linux desktop: Step 1: installed Tor using apt-get Step 2: Added Tor...

What is ASync Plugin Rendering??

I've read up on a new feature in Firefox in their release notes that is called async plugin rendering. Why was this ...