SAPIEN Information Center
Designing GUIs for High DPI Displays
In this article, I will cover techniques on how to make your PowerShell GUI compatible with high DPI (Dots per inch) displays. The article will also cover a few caveats to be aware of.
To get a better understanding of what different DPI settings mean, let's look at standard screen resolutions. A typical 1080p screen will a have 96 DPI (Font scale: 100%). Higher resolution monitors, such as 4K monitors can have a DPI of 192 or higher (Font scale: >=200%).
DPI is determined by the font scale of the OS. If you would try to maintain a DPI of 96 on a 4K monitor, everything will appear to be tiny. Increasing the font scale, will decrease the DPI, which in turn will make icons and text appear larger and easier to see.
You must have PowerShell Studio v4.2.124 or greater installed in order to support GUI scaling within the designer and when executing.
The snippets referenced in this article are included in PowerShell Studio 2017 v5.4.139 or above.
A Version Control Primer for the Rest of Us
When a developer starts a new job, he or she is usually set up with a workstation, the current version of the development environment that is being used (Visual Studio, Android Studio, XCode etc.) and whatever version control system the company or department uses.
The Effect of SkipPublisherCheck
The SkipPublisherCheck parameter of the Install-Module cmdlet in PowerShellGet technically affects only the current installation. But, its effect is actually more persistent and involves some security risk. In this article, we'll talk about SkipPublisherCheck and signing modules for PowerShell Gallery.
This article is based on PowerShellGet 22.214.171.124 on Windows PowerShell 5.1.14393.953.
Thanks to Mani Bavandla and Matt Graeber for help with this article.
What's the Error?
While creating a new VM in our office, I tried to install a new version of Pester, but got this somewhat familiar error. It says that the version of Pester that we're trying to install (4.0.2) in not digitally signed by its author or publisher.
It ends with a possible fix. If you still want to install this unsigned module, use the SkipPublisherCheck parameter.
You Cannot Remove That Module
I've been doing a presentation called Avoiding Version Chaos in a Multi-Version World. I start by explaining that you shouldn't avoid our new multi-version world -- you'll miss out on too much innovation -- but you need to be keenly aware of how it works and understand how to manage it.
For example, your shared code should run perfectly even when the end-user's session includes multiple versions of commands and modules, and commands with the same name in different modules and module versions. There are lots of ways to avoid conflicts, including knowing which commands run by default, understanding what Import-Module imports, removing conflicting module versions (Get-Module Foo | Remove-Module), and using module-qualified commands, version parameters, and the amazing ModuleSpecification object.