The app that I am developing now connects to Azure services and DefaultCredential were used for that. In Azure the authentication between services works with managed identities and I am satisfied with them, but while the development I've got an error "Azure.RequestFailedException: Server failed to authenticate the request", so I really didn't know what to do. Yesterday it worked, today not.

Determining the first and last days of a quarter is a common task for accounting applications and reporting. For web applications, I have been using Day.js (https://day.js.org/) for a long time instead of the well-known moment. There is an extension for Day.js that allows you to determine the first and last days of a quarter.

When you are developing a workflow for multiple users and roles, at least sometimes you must check your app with different accounts. When you use Chrome or Edge, it's not obvious how to switch account in SharePoint on-premises. When you click a button 'Sign out', it automatically logs in with you active account.

How to manage Wi-Fi cionnections from the command line? I like to do lots of things with it. With the command 'netsh wlan show profiles' you can get the list of all the known wifi-connections. You need these values to operate with them further.

My daughter has been using her 14'' HP laptop since 2019. During this time there were 3 problems with PC - RAM (DDR 4), Wi-Fi and noise.

Here’s an example of a pipeline sequence in PowerShell — a simple but powerful concept.
Imagine you forgot to clean up your old log files. Or, as I had to do today, you open the dreaded folder 'inetpub/mailroot/Badmail' on a dev server and see thousands of files.

I use the context service as a singletone in the app. What do you think, is this a good way to initialize and use context the way like this (see below) is it better just to use it as disposable? See examples below and write the comments

To restore a backup of Azure backup database, that was created with sqlpackage utility, to your local instance of MS SQL (local instance, executed in docker) you should import this data to a database.

Short snippet for Net Core, which allows you to get the items with the specific tag from the Azure BlobStorage. As a result, you have the AsyncPageable collection, so you need to iterate through it to process the data.

To update the Created Field for SharePoint list item you can start the script like this. The most important here is the 'fullcontrol' permissions and '-UpdateType UpdateOverwriteVersion' parameter in the request.