Powershell – Variable for Null, Empty String and White Space

More often than not, we create variables with the intent they will hold a value. We typically then choose to act upon that value. Therefore, if a variable doesn’t have value, this is something we would want to check against in our conditional logic flow. Read More …

Excel – Remove Everything But Duplicate Rows

In Excel, we all know that, there will be a moment in which we need the opposite the people usually need on usual Excel worksheets: this is the case of searching and filtering, from a dataset, only duplicates values, removing the unique ones. Read More …