Unable to run migrations VS2015 community edition - entity-framework

I've recently tried to make some updates to an ASP MVC project and I can no longer run migrations. This was working fine previously - not sure whats happend that I'm now getting the following error
PM> update-database
update-database : The term 'update-database' is not recognized as the
name of a cmdlet, function, script file, or operable program. Check the
spelling of the name, or if a path was included, verify that the path is
correct and try again.
At line:1 char:1
+ update-database
+ ~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (update-database:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
What could possible be wrong? This has started after a fresh repo pull. I've tried restarting visual studio but no joy.

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error in executing lua code in vscode powershell terminal

i normally execute my lua files in the terminal with lua file-name.lua. i recently found out that you could also execute the code from terminal using lua53 .\file_name.lua where the lua version was 5.3
the lua version that im using is 5.1 so i entered lua51 .\file_name.lua on my terminal but i was given this error instead
lua51 : The term 'lua51' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the
name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ lua51 .\main.lua
+ ~~~~~
+ CategoryInfo : ObjectNotFound: (lua51:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
the lua version that im using is 5.1 so i entered
lua51 .\file_name.lua
on my terminal but i was given this error instead
try to write this
lua5.1 .\file_name.lua

I get this error when trying flutter upgrade

I get this error when I tried flutter upgrade
& : The term 'C:\Users\USER\anaconda3\Scripts\conda.exe' is not recognized as the name of a cmdlet, function, script
file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct
and try again.
At C:\Users\USER\Documents\WindowsPowerShell\profile.ps1:4 char:4
+ (& "C:\Users\USER\anaconda3\Scripts\conda.exe" "shell.powershell" "ho ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (C:\Users\USER\a...ripts\conda.exe:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
Currently, I don't have anaconda installed in my system
Anaconda is a distribution of the Python and it has nothing to do with flutter in any way.
Make sure that you write the right command in the terminal.

node doesnt run in intergreted terminal in vs code

I installed node js . it works in Powershell , cmd but not in vs code .
node : The term 'node' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the
name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ node -v
+ ~~~~
+ CategoryInfo : ObjectNotFound: (node:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
I had a similar issue when I installed node while vscode was already running.
Try reloading vscode. This issue on github gave me more clarity:
https://github.com/Microsoft/vscode/issues/13671#issuecomment-255778379

Why do I have a terminal error in VS Code?

I'm trying to learn Python using VS Code. Onde of my task is to opne a file from folder in VS Code nad then run a terminal but when I'm opening it i have error like below in temrinal
PS C:\Users\Łukasz\Desktop\Exercise Files> & C:/Users/ukasz/AppData/Local/Programs/Python/Python39/python.exe "c:/Users/ukasz/Desktop/Exercise Files/Chap02/02_07_begin.py"
& : The term 'C:/Users/ukasz/AppData/Local/Programs/Python/Python39/python.exe' is not recognized as the name of a cmdlet, function, script file, or operable progra
m. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:3
+ & C:/Users/ukasz/AppData/Local/Programs/Python/Python39/python.exe "c ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (C:/Users/ukasz/...on39/python.exe:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
PS C:\Users\Łukasz\Desktop\Exercise Files>
Could you explain me what I'm doing wrong? I'm not sure what's wrong in the file path and what I can change. I was just adding a file from my desktop, and also just installing a Python on my computer, nothing more.
If it help - I'm learning from the Linkedin Learnign, so I'm just trying to do what they say ;)

I want to create my first test using testcafe but getting error as below

I am writing my first test using testcafe in visual studio code but getting this error "import: The term 'import' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ import { Selector } from 'testcafe';
+ ~~~~~~
+ CategoryInfo : ObjectNotFound: (import:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException"
It looks like you run your tests incorrectly. The error you provided is a Powershell error and it is not related to TestCafe.
The command should be testcafe chrome test.js.
Please share your test code and specify the way how you start your tests.
Please also take a look at the following article: https://devexpress.github.io/testcafe/documentation/getting-started/