As it turned out, FluentUI DatePicker for React doesn't contain a built-in German localization. If you need one, you can use my version.

There's a small snippet to check if current user permissions are enough to save list items. It can be used in SPFX webparts with PNP JS.

When you work with common modern React application (React > 16) and webpack, it's easy to create .env files and use them in the project. But if you work SPFX solution, which uses GULP, it's a big mess. That's why I decided to describe the sequence of steps how to use different environments in SPFX solutions.

Below you can find a small snippet to calculate the difference between 2 times in string format in TypeScript. If you use JavaScript, remove the types.

The code of the React component to scroll DIV content by axe X. It can be useful when you have a wide table and a narrow screen. Or a designer had a very cool idea of the interface.

There are a lot of cases when you need to get the items by the author. For me the only correct way to get the SharePoint list items by user with CAML is like this:

<Where><Eq><FieldRef Name='Author' LookupId='TRUE' /><Value Type='Integer'>123</Value></Eq></Where>

In HTML tag 'input type = number' is not very user friendly. So, I always implement it as a text with transformation text to number.

I needed to check if the tables are in the database or not. Here is an example of the SQL query - it returns 1 if one of the tables exists and 0 if they do not exist.

Standard deviation is the degree of dispersion or the scatter of the data points relative to its mean, in descriptive statistics. It’s often used in data analysis and reports. And, of course, how to calculate Standard deviation in PowerBI is very important to know.

If you want to customize the styles for filter panels in DataGrid from Material UI (MUI), you need to know, where it is. And only so. To update these styles you can only with the object properties.