Why cfx run installs always an old copy of the extension - firefox-addon-sdk

I followed this guide and then I made some changes (I added a sidebar which opens an HTML placed in the data folder). I executed "cfx run" and it worked, but now I'm just modifying the HTML and the changes are never displayed.

Got it! The problem was the root directory preserved an older copy of the generated xpi. I removed it and now changes are displayed.

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Restore a deleted file in the Visual Studio Code Recycle Bin

Using Visual Studio Code Version 1.8.1 how do I restore a deleted file in the recycle bin?
It uses the normal trash bin of your system. So you can grab it our of there.
In Windows you find it in the explorer, in Linux it is as well in Konquerer / Nemo / ...
First go to Recycle Bin of your local machine.
Your VS code deleted files is there in Recycle Bin.
So, Right click on deleted files and select-> Restore option then your deleted files
will be automatically restored in your VS code.
If you just deleted the file, know that VSCode 1.52 (Dec. 2020) will support:
Undo file operations in Explorer
Explorer now supports Undo and Redo for all file operations: delete, rename, copy, move, new file and new folder.
Make sure the focus is in the Explorer and trigger the Undo or Redo commands and your last file operation will be undone or redone respectively.
Keep in mind that we have separate undo stacks for the editor and the explorer and we choose which one to undo based on focus.
Running on Ubuntu 18.04, with VS code 1.51.0
My deleted files from VS Code are located at:
~/.local/share/Trash/files
Every deleted file have a corresponding .trashinfo file which contains details about where the file is deleted from and deletion date and these are located at:
~/.local/share/Trash/info
More info here.
To search for your deleted files:
find ~/.local/share/Trash/files -name your_file_name
In case you deleted files form a mounted ntfs filesystem, they will be located at:
/path_to_mounted_fs/.Trash-$UID
You can get $UID by doing echo $UID in your terminal.
Hope my case helped!
Click in empty space of VS Code's explorer (it's where you see files listed vertically) and press undo Ctrl + z
It'll recover your permanently deleted files too.
VS Code is a lifesaver. ✌
I know the OP says Recycle Bin. What I do though is recreate the file, especially if it's a single file. And when in the file, I just press CMD+Z (I'm on a Mac) and I get my file back.
Recreate the file in the same directory from where it was
deleted.
CMD+Z inside of the newly created file.
I accidentally discarded changes in the Source Control in VS Code, I just needed to reopen this file and press Ctrl-Z few times, glad that VS Code saves your changes like that.
If you can't find your files in the Windows Recycle Bin as it happended to me
(debugger went rogue and deleted the project folder)
look in the %APPDATA%\Code\User\History\ subfolders sorted by date modified.
There I could retrieve my seemingly lost files.
who still facing the problem on linux
and didnt find it on trash
try this solution
https://github.com/Microsoft/vscode/issues/32078#issuecomment-434393058
find / -name "delete_file_name"
If you have permanently deleted files, on macOS, you can see the history (the last month I guess) in $HOME/Library/Application Support/Code/User/History/. You will have to find your file(s) by looking at each entries.json file in every subfolder and rename the last version of your file.
There is probably a similar way on windows and linux but I don't know the precise paths.
I tried most of the options above but none worked.
What worked for me was clicking and highlighting the folder where the file was deleted from in vscode. Then while it is selected, hit CTRL + Z.
This works on windows.
Hitting CTRL+Z without highlighting that folder didn't work.
Just look up the files you deleted, inside Recycle Bin. Right click on it and do restore as you do normally with other deleted files. It is similar as you do normally because VS code also uses normal trash of your system.
While pushing a repository to Github through Vs Studio code I deleted whole folder and they were not available in Recycle bin also. Here is how I recovered those files.
For Windows.
The method is to restore the previous version of the Drive in which the deleted file existed
I had deleted files from G: drive, the below images are self explanatory
Open properties menu of the drive
In properties go to previous versions tab,
where you can find the previously stored versions of that drive along with date at time of backup
use open or click on restore to get the previous version of that drive.
Note: Manipulations in the drive after restore point won't be available
I am not sure how I deleted a file in VS Code, and couldn't find it in recycle bin. Found the file using the History feature of File Explorer.
A month recovery can be done in visual studio code
1 Right click on file and
2 click Open Timeline and
3 select file from timeline
4 the last time file saved by you
5 and your last change of the file is recovered
NOTE : Not only last but all the previously saved check points can be recoverd from vs code
For Mac, try to search some parts of the code in the deleted file in the following path:
~/Library/Application Support/Code
I found a deleted file in this folder
~/Library/Application Support/Code/Backups
Yes, I know this question is about VS Code but I think I can help someone.
I permanently deleted a file, and I tried all the tips wrote here with no success. So I had to recover the file from OS Linux following this
grep -a -C 500 -F 'Unique string in text file' /dev/sda
It was asked above if there is a way to disable the ability to delete a file you created with an undo (#rochasdv).
There is a new setting to disable undo for file operations:
Explorer: Enable Undo default is warn, confirmation dialog
You can also set it to disable so that your files/folders will not participate in undo operations.
You can alo set it to allow - the pre-new setting situation.
Currently, this new setting is in the Insiders Build v1.64 so it may be in Stable early February, 2022.
I am working on Windows with a Ubuntu WSL. I permanently deleted a file by mistake and was not able to restore it from the recycle bin nor by doing anything else.
I however, was able to get my files content by going to "Timeline" and see all my previous modification (it will open a comparison window).
Hope it will help somebody.
I had the case that I, accidentally, deleted a committed file (git) with a ton of additional uncommitted changes, and I could not get it back. (two days of work! yeah, I know, commit early commit often, I know ...)
I had no linux trash can setup on my docker instance and was developing via remote ssh.
I tried to recreate the file and then do a ctrl+Z to recapture the changes as some suggested here. This did not work for me.
So after a struggle over an hour I finally gave up and thought the changes to the file were lost.
However,
I discarded the changes in git, that the file was deleted.
And THEN I retried ctrl+Z and boom all the changes previously came back
magically!
I was a happy camper!
If your local directory has git initialized and you have not committed the changes that include the delete, you can use git checkout -f to throw away local changes.
If you completely delete any of the components in angular using visual code, you can restore it
Go to Recycle Bin and restore the deleted component that will be restored in the project.

Zencart zc_install/index.php page showing blank

I am trying to install reinstall zencart setup again on the following link:-
http://hobbystii.ro
But when i click to start the setup it shows a blank page. I am not able to understand the problem. Can please anyone help.
For my confirmation i deleted the database cleaned everything and tried reinstallation but same error showing blank screen.
I suggest you rename the install directory "install" to start with; that is the original name if i remember correct. And try replacing the folder with original one from ZIP file.
However the best option would be to do a fresh install since your existing database will be wiped during an install either way. After doing so you can simply copy your theme files across or if you have customizations attempt copying the entire code from previous install across. Make sure to keep backups of everything and replace the configuration files for both admin and user side with that of the new one.

Eclipse local file history

In eclipse, you can right click in a file and then select Team / Show local history. This shows your local saves and is pretty useful.
Now, I made some changes to a file. I am 100% certain I made them. But they have disappeared. Overwritten by someone else I guess. But when I check my local history I can't see my file changes.
My question is:
Does Eclipse always update the local file history for every save? How reliable is it?
Note: I appreciate people are thinking how can someone else overwrite your files. I am working in a force.com project. When you make changes to a file they are push to a central server. There is source control per se. It is like everyone working with a shared folder.
It depends. Each Eclipse plugin dealing with workspace artifacts can optionally set a flag for local history in its API calls to the workspace resource management when deleting or changing files. If the flag is set, changed files surely get copied into local history. But every plugin can set this flag different.
So even if you might have an editor plugin which always uses local history when saving the edited file, another plugin might delete/modify the file without using local history and therefore interfere.
Summary: Local history is not a reliable way to go back to previously saved versions of a file.
If anyone else runs into this issue, check to make sure you didn't accidentally edit a file in a build or target directory. For instance if you are working on a jsp page and make edits, swear you changed it but they are no longer there in the editor or the local history when you open the file, check to make sure you weren't editing the built version by accident.
This sometimes happens if you are quick to use ctrl-shift-R shortcut to open resources. To avoid this, you can set your build or target folder to derived by right clicking on the folder and checking the derived checkbox. This will prevent the resource from showing in the Open Resource view which could save you headaches later.
To get the code back, I opened the target version and used undo to get to the edited version.

$_SERVER['ZEND_PHPUNIT_TESTS_LOCATION'] not set correctly in Zend Studio

I set up unit testing in Zend Studio last week, and it was working fine.. until suddenly after some refactoring, I got an error that the following file was not found in ZendPHPUnit.php:
/var/folders/Td/Tdnh++2KEdWAsk8Y0O4N0k+++TI/-Tmp-/zend.phpunit.UserMapperTest.php.2428213892936827201.php
The file path is stored in $_SERVER['ZEND_PHPUNIT_TESTS_LOCATION'] in ZendPHPUnit.php
I checked the folder and I found
zend.phpunit.UserrMapperTest.php.6031927106542896607.php (the number is different)
I was a little desperate so I made it work by forcing
$_SERVER['ZEND_PHPUNIT_TESTS_LOCATION'] = '/var/folders/Td/Tdnh++2KEdWAsk8Y0O4N0k+++TI/-Tmp-/zend.phpunit.UserMapperTest.php.6031927106542896607.php';
Eventually, after I worked with a few other test cases, the problem fixed itself. Now, I refactored some code again, and the problem is back. None of my testcases work.
Restarting the comp doesnt help, Project -> Clean doesnt help. I am on a mac running Snow Leopard.
Any insights on what is causing this?
Thanks!
The problem is that PHPUnit doesn't work with the files themselves but with copies of the files that it creates on the fly and stores on directories that are also created on the fly. These files are modified to include PHPUnit logic. This goes for the test files themselves as well as for the php.ini (which forces you to load extensions in the main php.ini file for the tests, since additional .ini files are ignored). Every time you run the tests these files will be re-created with a new unique name (original name plus unique identifier).
The best way that I've found to work around this issue is to create launch configurations for the tests and save them as .launch files in your project (right click -> run as -> create new PHPUnit config -> select "shared file" in the common tab). Once you have the launch configs you can just run this by opening on the editor and clicking the Run button. You will see that after every time you run them there will be a line like the following on each launch file that has changed (easy to see if the configs are in version control):
<mapEntry key="ZEND_PHPUNIT_TESTS_LOCATION" value="/var/folders/my/ph9spb0s45z5_11l9tqw256r0000gn/T/DefaultWorkspace.phpunit.AssignmentRequestControllerDateCriteriaTest.php.4951739174960507380.php"/>
I usually just commit this change together with whatever other changes I've been working on at that time.
It's still kind of annoying that the file changes and thus the launch config, but at least in this way your tests will always run and you don't have to worry about having to re-run the manually, or clean the project, or anything like that.

Adding assets to Xcode problem

I've an Xcode project which has been using svn, but we had to stop using it. Since then when ever I try and Add files to the project I get the error window below. The files actually get added to the file system (using Finder), but not to the project,so not displayed in the file system in XCode and therefore can't be accessed.
I found the answer myself.
Just make sure you delete all the hidden .svn files / folders