Intellij Shows Method Parameter Hints on Usage - How to Disable It

IntelliJ shows method parameter hints on usage - How to disable it

Right click on the hint, then on Disable:

How to disable parameter hints in IntelliJ IDEA?

It's called parameter hints.

Can be disabled here:

Intellij Disable Parameter hint during typing

You can configure the behavior of the view "Parameter information" functionality, go to:

Preferences > Editor > General > Code Completion

In the "Parameter Info" section you can increase the time or disable Autopopup in (ms)...

Disable nesting level hints

I was able to reproduce your "+1". It seems to be the plugin CognitiveComplexity giving you that number. It's a counter which helps you on determining the complexity of the code you're writing. Pretty cool plugin I didn't know it. Disabling it will make the numbers disappear. I don't think you can let it enabled and avoid seeing numbers: it's the way it works to show you complexity cost.

To disable or enable plugins, go to Settings > Plugins, and then deselect CognitiveComplexity.

IntelliJ: How can I always show parameter hints?

You need to enable all the options in: Editor -> General -> Code Completion under the section Parameter Info:

How to disable the method return type hint in IntellijIdea scala plugin

This feature has been added in IntelliJ IDEA 2018.1

The editor can now show inline hints for parameter names, method
result types, and variable types. You can also easily use the settings
to customize when such a hint should be shown.

You can disable it from Preference -> Editor -> General -> Appearance

Uncheck "Show function return type hints(Scala)"

Or simply right click on the type hints

And click on Function return type hints

Once you disable it, the former way is the only way to re-enable it.

Rider IDE - how to hide usage links above properties/methods

You can hide all metrics by disabling "Code Vision" (CTRL+SHIFT+ALL code vision for a quick access in the settings).

You can also hide specific metrics by right clicking on it.

How to show method argument hints all the time in IntelliJ IDEA?

Configure it with the Settings (Preferences on macOS) | Editor | Inlay Hints | Java | Non-literals in case of multiple parameters with the same type option:

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