Why Order Matters

While it may seem strange, sometimes it is possible for a mathematical expression to have two different right answers. Consider: This expression has been discussed on the Internet since 2011! The correct answer could be either 2 or 288. Really. It depends on how the expression is evaluated. To understand that we have to understand […]
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Welcome to PowerShell!

Greetings! Welcome to Learning Tree’s new PowerShell blog! This blog provides helpful PowerShell insights, code, and techniques.  We hope you’ll enjoy the posts and check back routinely for the newest ones.  If you have questions, requests, or submissions of your own, please contribute!  Our editors will determine if they are appropriate for the blog, and, […]
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One-Touch Menus in PowerShell Console

Greetings, fellow scripters! I’ve been asked about creating simple menus many times over the past few years by both students and clients.  “Is it possible to offer the script user a multiple choice menu?” is the typical question. “Yes,” is my typical answer. Those of you in my generation remember the DOS era, during which […]
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