How do I make sure a user selects at least one option in my semantic ui multi-select react dropdown?

Using powerBI embedded into React application with different dataset for every user using MongoDB

Flushing all session variables while keeping user logged in - Laravel 5

Obtain contents of remote push notification received while the app is not running after user launches the application from app icon

I want to use a data listener in an unity app that when ever their is changes in the server an notification is sent to the user

Does notifying the user of being listed as a bot, downgrade the website in search engines?

What tools/framework/API(and the like) that let a user create a flowchart dynamically

How would a user interact with a direct neural interface?

Loop that will execute as many times as user directs

Why is my user not signed in when returning from a Paypal payment?

Why is my user not signed in when returning from a Paypal payment?

Design issue - What technology should i use for sending text to another user within my application?

I want to close my application once switch user using Window+L key. Solution accepted in any language any technology.

I forgot my user id and password. How I can get my admit card for CAT?

What should I do, I forgot my user Id and password?

Auto fill-in username + password when user clicks a website link

Api to get name or user id of who post ads in Facebook

Api to get name or user id of who post ads in Facebook

How can I get a user's media from Instagram without authenticating as a user?

Api to get name or user id of who post ads in Facebook

Api to get name or user id of who post ads in Facebook

Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requiring the user to “Allow” the application)