Monthly Archives: October 2018

In my recent post about finding a missing integer in an array of numbers I didn’t spell out the assumptions. In this post I’ll explain those assumptions and show you how to Find a missing integer–alternative solution. The assumptions were: … Continue reading →

Continuing the thoughts about techniques for dealing with integer arrays – this is how to go about finding and removing duplicates from the array. First – to find any duplicates use Group-Object function get-duplicate {   [CmdletBinding()]   param (     [int[]]$iarray   ) … Continue reading →

I stumbled across a set of programmer interview questions recently. They raised some interesting problems that I thought would be fun to show a PowerShell answer. This is the first of them – find a missing integer in an array. … Continue reading →

If you try to do a directory listing through C:\Windows\system32 you’ll get some access denied errors. I’m going to show you how to do this while managing errors that arise. The code will also highlight a few of the PowerShell … Continue reading →

PowerShell uses a verb-noun style for naming cmdlets. The list of Powershell approved verbs is available at https://docs.microsoft.com/en-us/powershell/developer/cmdlet/approved-verbs-for-windows-powershell-commands. You should use the approved verbs when writing functions or cmdlets. Import-Module will complain about using unapproved verbs. You can also see … Continue reading →

I’ve shown how to discover network information using the get-internetconnection function and how to construct simple Pester tests to ping the IP addresses returned by get-internetconnection. This time I’ll show you how to create a control function for running ping … Continue reading →