Tag Archive | "firefox"
Firefox Extension Error: DebugNextPageMI is null
I kept receiving this error message on start up after upgrading the SNUM extension I am working on: TypeError: DebugNextPageMI is null My extension updates worked fine before this upgrade. After some research, I found that the Zend 2.1 PHP Debug toolbar was causing some type of conflict. When I looked at my code, one […]
Continue reading...3 Solutions to Invalid File Hash Error in Firefox
Friday, July 10, 2009
Comments Off on 3 Solutions to Invalid File Hash Error in Firefox
If you received the following error when trying to update a Firefox extension: Firefox could not install the file at “filename.xpi” because: Invalid file hash (possible download corruption) -261 Here are three possible fixes: 1) Clear your Browser History, Browser Cache and Cookies You can do this from the menu by clicking Tools -> Clear […]
Continue reading...Fixing Mistakes in Firefox’s Spelling Dictionary
Saturday, July 4, 2009
Comments Off on Fixing Mistakes in Firefox’s Spelling Dictionary
If you accidentally add a misspelled word to your Firefox dictionary, here are the steps to remove it. The words that you have added to your dictionary are stored in file called “persdict.dat”. It is located in your Firefox Profile directory. To Get to your Firefox Profile Directory in Windows: Click Start Menu -> Run, […]
Continue reading...Full Page Refresh in Firefox
Saturday, June 27, 2009
Comments Off on Full Page Refresh in Firefox
Hold down Control Key, Click Refresh Button or Control-F5 The keyboard shortcut is a bit of a hand stretch so I stick with the control key and mouse click. How does this help? Doing a full page refresh will go back to the web server to get the latest version of the page you are […]
Continue reading...What I Learned While Developing a Firefox Extension (Add-on)
Sunday, May 17, 2009
Comments Off on What I Learned While Developing a Firefox Extension (Add-on)
I recently developed my first Firefox extension: Social Network User Mapper. Here is a brain dump / postmortem of what I learned. 1) All Add-ons are Open Source. At least the javascript and xul part are. This is extremely helpful when you are starting out. Find an extension that works the way you want yours […]
Continue reading...© 2009 Pressing the Red Button.
WordPress Themes by 
Sunday, July 12, 2009
Comments Off on Firefox Extension Error: DebugNextPageMI is null