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How to clear username and password in facebook

I am using Linux platform. Web browser is Firefox. Whenever I open my face book the USERNAME and PASSWORD is visible in the respective column. How could I clear this. I … (閱讀更多)

I am using Linux platform. Web browser is Firefox. Whenever I open my face book the USERNAME and PASSWORD is visible in the respective column. How could I clear this. I have tried several times by clearing cache and cookies but there is no use of it. Kindly help me.

ezekiel.joshua 於 6 年前 詢問

cor-el 於 6 年前 解答

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Is it possable to run 2 Firefox versions on a machine at the same time? and how?

I run a work station Lubuntu, 12.04 I ask this question because Firefox fails to upload photographs on ebay when new versions are released. This was true of versions 22 a… (閱讀更多)

I run a work station Lubuntu, 12.04 I ask this question because Firefox fails to upload photographs on ebay when new versions are released. This was true of versions 22 and 23. So I manually set and use Firefox 21 because it works.

4winds 於 7 年前 詢問

cor-el 於 7 年前 解答

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How do I switch back to the old ctrl-tab/ctrl-shift-tab behavior ?

Hello ! So I have seen this question posted before but the author decided to just switch version, which is not exactly a future proof solution So Firefox changed the way… (閱讀更多)

Hello !

So I have seen this question posted before but the author decided to just switch version, which is not exactly a future proof solution

So Firefox changed the way ctrl-tab works to display the last tab used, and while I don't think this is a bad idea, I'm just very used to quick switching by mashing ctrl-tab/ctrl-shift-tab, and I don't really want to try and remember the exact order I used my many tabs to navigate between them.

Isn't there somewhere where I could toggle this ?

Thanks !

Xerdes 於 2 年前 詢問

cor-el 於 2 年前 解答

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FF can't play embedded videos: Error #2035

Find that some (not all?) embedded videos generate the error code and do not play. Here's an example: blog.lolwall.co/content/dolphin-comes-nowhere-asks-diver-help/2014/… (閱讀更多)

Find that some (not all?) embedded videos generate the error code and do not play. Here's an example:

blog.lolwall.co/content/dolphin-comes-nowhere-asks-diver-help/2014/01/10

However, this plays in Slimboat and Chrome.

dkolars 於 7 年前 詢問

cor-el 於 7 年前 解答

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How to hide firefox scroll bar ?

as the title says, i would like to hide scroll bar in firefox. I've searched the internet and found the following solution https://support.mozilla.org/en-US/questions/95… (閱讀更多)

as the title says, i would like to hide scroll bar in firefox. I've searched the internet and found the following solution https://support.mozilla.org/en-US/questions/957337 but it seems not working anymore Firefox version that i use is (Nightly 61.0a1 (2018-05-04) (64-bit))

as3mbus 於 3 年前 詢問

cor-el 於 3 年前 解答

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HTTP Strict Transport Security prevents me from accessing a server that I'm doing development on

I cannot access a clients site that I'm working on due to an HSTS error, I used to be able to bypass this with test.currentTimeOffsetSeconds, however it seems to not work… (閱讀更多)

I cannot access a clients site that I'm working on due to an HSTS error, I used to be able to bypass this with test.currentTimeOffsetSeconds, however it seems to not work anymore.

I use Firefox for development because it has better tools than any browser I've use in the past, however this is a real blocker for me, since the sites I'm working on don't have DNS names yet and can't get updated certificates till then.

I've also manually added an exception in the certificate options, though that also didn't work.

Please guys, I've always been pushing people to use Firefox, though if it starts limiting my options without any way to bypass it if I feel I need to do something, then I'll be forced to go hunting for a browser that gives me more freedom, not to mention this is costing me work hours.

nmjbhoffmann 於 4 年前 詢問

jscher2000 於 4 年前 解答

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How to enable GPU acceleration in firefox (Linux)

I want to enable hardware acceleration in firefox linux x64 build Mozilla Firefox 36.0.4 nvidia drivers version 331 THis is what I've tride http://askubuntu.com/questions… (閱讀更多)

I want to enable hardware acceleration in firefox linux x64 build

Mozilla Firefox 36.0.4

nvidia drivers version 331

THis is what I've tride http://askubuntu.com/questions/491750/force-enable-hardware-acceleration-in-firefox

Levan7 於 6 年前 詢問

Levan7 於 6 年前 解答

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The image [image] cannot be displayed because it contains errors.

I'm using Firefox ESR 24.5.0 on Red Hat Enterprise Linux 6.3 with GNOME 2.28.2. It gives me that error when I try to view this image http://graphbench.org/images/hairball… (閱讀更多)

I'm using Firefox ESR 24.5.0 on Red Hat Enterprise Linux 6.3 with GNOME 2.28.2.

It gives me that error when I try to view this image http://graphbench.org/images/hairball-header-cropped.jpg

It's only 1170x311 and 81.1kB so size shouldn't be a problem. When I ctrl-s to save the image, it opens fine in GIMP, Eye of Image viewer GNOME 2.28.2, and gThumb image viewer 2.10.11. Opening the image in Firefox from my hard drive fails with the same error. I have no extensions installed and it fails even in safe mode. The image loads fine in Firefox on a different (Windows) computer on the same network.

I've shift-refreshed to reload the image and that doesn't help. I yum uninstalled firefox, deleted my .mozilla folder, and yum installed firefox again but the problem remains. I went into about:config and there were no bold network.http.* prefs. The permissions for the domain are not restricted. I went to "Tools > Page Info > Media" and the image was not blocked. permissions.default.image is set to default. I "Allow pages to choose their own colors, instead of my selections above". When loading this page http://graphbench.org/ I get this error in the web console "[13:44:33.313] Image corrupt or truncated: http://graphbench.org/images/hairball-header-cropped.jpg @ http://graphbench.org/images/hairball-header-cropped.jpg" Four other images fail on that same page: images/nelson.jpg images/myers.jpg images/ceze.jpg and images/kahan.jpg .

Bugefun 於 7 年前 詢問

Gingerbread Man 於 7 年前 解答

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Couldn't load XPCOM.

Nothing happens double clicking, running ./firefox gives XPCOMGlueLoad error for file /home/yang/bin/firefox/libxul.so: libdbus-glib-1.so.2: cannot open shared object fi… (閱讀更多)

Nothing happens double clicking, running ./firefox gives

XPCOMGlueLoad error for file /home/yang/bin/firefox/libxul.so: libdbus-glib-1.so.2: cannot open shared object file: No such file or directory Couldn't load XPCOM.

Firefox downloaded from mozilla.org firefox-23.0.tar.bz2, system Fedora 19 64-bit

Yang Lifu 於 7 年前 詢問

cor-el 於 7 年前 解答

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Manually add certificate exception

This problem is not the fault of Firefox, everything works great in vanilla Firefox (Iceweasel). My main browser is the 'Light' fork of Firefox, but the question should r… (閱讀更多)

This problem is not the fault of Firefox, everything works great in vanilla Firefox (Iceweasel). My main browser is the 'Light' fork of Firefox, but the question should relevant to vanilla Firefox as well. The trouble seems to be that the project has stripped the "Add Exception" page of one of it's dependencies out of the browser.

My question is: Is there a way to add certificate exceptions to firefox without using the warning page? It would seem that being able to do so manually would be extremely advantageous for bulk setups and amnesiac machines. The only real in-browser configuration in Light is about:config and I didn't see anything obvious there, but I'm no expert. Is there a config file somewhere that houses this? Can I somehow import exceptions from Iceweasel?

This problem is affecting a page that I have to visit dozens of times a day at work and so I appreciate any help I can get. As it stands, I have to copy and paste the link and manually s/https/http/ which is quite annoying, but is still not nearly enough to make Iceweasel preferable, sadly.

john_mertz 於 5 年前 詢問

cor-el 於 5 年前 解答

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Buffer full video or make buffer bigger

Hi all, so since a few versions I have noticed a difference in video buffering. Firefox now buffers a very small amount of a video, like it does when mediasource extensio… (閱讀更多)

Hi all, so since a few versions I have noticed a difference in video buffering. Firefox now buffers a very small amount of a video, like it does when mediasource extensions are turned on. I did turn them off however so videos were usually downloaded automatically all the way, which was very convenient for me, instead of just when you play the video the next few seconds. This doesn't work anymore as if I enabled mediasource extensions and every video used it.

Is there some way to revert that behaviour? I guess it was done out of performance reasons. How can I change it back, e.g. make the video buffer bigger?

Thanks a lot

Unrealshade 於 4 年前 詢問

Oloferno 於 3 年前 解答

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How to disable web push notifications in Firefox?

Hi, how to completly remove/disable web push notifications in Firefox? about:config > dom.push.enabled > false Not help with notif sent from "cdn . sendpulse . com… (閱讀更多)

Hi,

how to completly remove/disable web push notifications in Firefox?

about:config > dom.push.enabled > false

Not help with notif sent from "cdn . sendpulse . com"

demo here "thebadbuzz . com" (see attached screenshot).

The only alternative i have find is to block "sendpulse" using Adblock Plus.

Thank you.

Med 於 4 年前 詢問

jscher2000 於 4 年前 解答

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Twitter says "The media could not be played".

When I'm trying to watch some media files in Twitter, it says that it couldn't be played. At first I thought that I can fix it with installing flash player, but it didn't… (閱讀更多)

When I'm trying to watch some media files in Twitter, it says that it couldn't be played. At first I thought that I can fix it with installing flash player, but it didn't help. It works in other browsers (it did even before installing flash player). I'm using firefox version 57.0 and my OS is Ubuntu 15.04. Hope for your help.

fred-boy 於 3 年前 詢問

James 於 3 年前 解答

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When watching a video on youtube, if the monitor blanks for power saving, when it resumes, the video area is green (not refreshed) but the sound keeps playing.

Steps: 1. Video is correctly playing on youtube 2. Since I'm just watching and not pressing any key or moving the mouse, the display will blank for power saving after som… (閱讀更多)

Steps:

1. Video is correctly playing on youtube 2. Since I'm just watching and not pressing any key or moving the mouse, the display will blank for power saving after some minutes 3. I move the mouse to wake it 4. The video area is solid green, while the sound continues playing 5. If I switch tasks, the area from the other task gets painted over the video area, it seems like the video are is never refreshed after the suspend/wake

jmss 於 6 年前 詢問

Mark Schmidt 於 6 年前 解答

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Unable to play video streams from vimeo, others in Firefox.

Error with Vimeo source: Player error The player is having trouble. We’ll have it back up and running as soon as possible. This video is either unavailable or not support… (閱讀更多)

Error with Vimeo source: Player error The player is having trouble. We’ll have it back up and running as soon as possible. This video is either unavailable or not supported in this browser

=

Error from finewoodworking.com: Error Code: MEDIA_ERR_SRC_NOT_SUPPORTED Technical details : No compatible source was found for this media. Session ID: 2018-10-04:bc5f8e3bb5df654965dbea25 Player Element ID:myPlayerID

=

Running v 60.2.1esr (64-bit) "Mozilla Firefox for Red Hat Enterprise Linux" on Scientific Linux 7.5 (distro from Fermi Labs based on RHEL). All extensions and plugins are disabled (have tried enabled & disabled with same result).

Videos all run great on my Ubuntu 16.04LTS box with Firefox 62.0.3 (64-bit) "Mozilla Firefox for Ubuntu" with the same plugins + "Shockwave Flash (Ask to Activate)."

Frustrating. Anyone have any ideas? TIA Ric

lucubrator 於 2 年前 詢問

James 於 2 年前 解答

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How do I erase all SSL certificate exceptions?

I want to erase all certificate exceptions, that is, go back to the original default set of trusted SSL certificates. I've found the Certificate Manager and its big list… (閱讀更多)

I want to erase all certificate exceptions, that is, go back to the original default set of trusted SSL certificates. I've found the Certificate Manager and its big lists of trusted things, but I have no idea which of them ship with Firefox and which of them were added by me at some time in the past. How do I do this?

zwol 於 10 年前 詢問

cor-el 於 10 年前 解答

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html5 videos: video periodically freezes while audio continues to play. Firefox 12, Linux, Centos 5 up to date.

whenever I view a YouTube video on my linux box (Centos 5.8, fully updated) using Firefox12, YouTube always delivers the html5 video to me instead of Flash. This would be… (閱讀更多)

whenever I view a YouTube video on my linux box (Centos 5.8, fully updated) using Firefox12, YouTube always delivers the html5 video to me instead of Flash. This would be fine, but intermittently the video stops moving (while the audio keeps playing). I click the (I don't know what it's called) slider for the current position and the video will start moving again. until it pauses next time, anywhere from a few seconds to a few minutes. I don't know why it delivers html5 instead of flash, on my laptop using centos 6 and firefox12 I get flash video. Is there someway to configure Firefox to get flash instead? If not, I'd appreciate help in fixing the pausing video component.

fredex 於 9 年前 詢問

James 於 9 年前 解答

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How to install the OpenH264 Codec from Cisco?

I noticed that just about every time i start my computer and open Nightly I get a download popup to download the OpenH264 codec by Cisco. I did and I noticed that there w… (閱讀更多)

I noticed that just about every time i start my computer and open Nightly I get a download popup to download the OpenH264 codec by Cisco. I did and I noticed that there was an entry for it in the Plugins section of the Add-Ons Manager and it states 'Will be installed shortly'. What it had me download was a zip file that contained two files. One that gave a short explaination of the codec and a libgmpopenh264.so file. Now I have no clue what to do with the .so file to get it installed into Nightly.

Is anyone else having this issue and what can I do about it? I am running Xubuntu 14.04 64-bit.

marinecomm 於 7 年前 詢問

cor-el 於 7 年前 解答