today's howtos and programming bits
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Building a computer - part 2
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Manually trim SSD
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Trim disk image for best compression before distributing
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Move a Linux running process to a screen shell session
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Getting started with Ansible in Satellite
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Concept of Hard Links in Linux Explained
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7 ways to set your hostname in Fedora, CentOS, or Red Hat Enterprise Linux
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Steps to install Docker CE on Ubuntu 18.04/19.04
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Checking Out Machine Check Exception (MCE) Errors in Linux
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Mastering user groups on Linux
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Start tinkering with the Circuit Playground Express
I've been a gadget person as long as I can remember, so I was delighted when I discovered an Adafruit Circuit Playground Express (CPX) in the swag bag I got at PyConUS in May. I became fascinated with these little devices last year, when Nina Zakharenko highlighted them in her All Things Open presentation, Five Things You Didn't Know Python Could Do, with Python-powered earrings.
After finding one in my PyCon bag, I set out to learn more about these mesmerizing little devices. First, I attended a "how-to" session at one of the Open Spaces meetups at PyCon. But learning always requires hands-on practice, and that's what I did when I got home. I connected the CPX device to my Linux laptop with a USB-to-MicroUSB cable. The unit mounts just like any standard USB drive, listed as CIRCUITPY.
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Getting Started with Map
While certainly less common, it's perfectly possible to write Python code in a functional style, and there are plenty of tools in the Python standard library to faciliate functional programming. One such tool is called map, and in this post we're look at what map is for, and how you might use it in your own code.
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