I wanted to map <space><space> to diw in vi mode of psreadline. How do I do that?

I wanted to map <space><space> to diw in vi mode of psreadline. How do I do that?

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I normally use the Get-Help cmdlet to read documentation for individual cmdlets, like:

I am learning about Extended Type System from MSDN, I’ve learned the fact that all objects in pwsh has intrinsic members like psobject, pstypenames etc. Does this implies all object in pwsh is [psobject]? If it does, why does -is [psobject] returns false for some object like a native number literal 123. And I noticed that the object that’s not a [psobject] will be converted as [psobject] after being piped into a cmdlet. So there’s yet another question, when will pwsh implicitly convert an object into [psobject]? And when do we need to explicitly convert to it?

I would like to call external commands from PowerShell Core such as Git, Python or other proprietary executables, but I want the call to throw when the exit code is non-zero while respecting PowerShell’s ErrorAction (set via $ErrorActionPreference or ErrorAction argument). This normally is not the case, e.g. the following doesn’t throw, but I would like it to: