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Disable Windows 10 task view or timeline on a Parallels virtual machine

This is mostly for my own sanity, because I keep losing the Parallels KB page link. On a Windows 10 virtual machine running inside Parallels, some random touch pad or mouse movement opens up what is variously called the Task View or Timeline, depending on the version of Windows 10. Either way, it's annoying and … Continue reading Disable Windows 10 task view or timeline on a Parallels virtual machine

Core memory in IBM mainframes from 55 years ago

Did you know that computer memory used to be stored in cores linked by hand-woven nets of copper wire? The core was a small ferrite ring (iron because magnetic), and wires were woven between them to read or set the electrical current in that magnetic ring (which ran clockwise or anti-clockwise depending on the value). … Continue reading Core memory in IBM mainframes from 55 years ago

Converting a VMware thick-provisioned disk to thin-provisioned

Tonight on my ESXi host I noticed that I accidentally created a virtual machine with a thick-provisioned disk of 127 GB which was only using 13 GB, so I wanted to free up the 114 GB for other VMs. The following instructions were extremely useful in resolving this problem: Turn off the VM which contains … Continue reading Converting a VMware thick-provisioned disk to thin-provisioned

Five things

(I'm blaming Jason for this.) 1. Kondo Living There's a Netflix show I haven't yet seen about a certain Marie Kondo, who cleans your house by saying if something doesn't spark joy, you should get rid of it. Folks were happy with her getting rid of shoes, but apparently there was a stink when she … Continue reading Five things