Computing & Electronics

proctored exam

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the content of MS help page

Have you ever had to perform an online proctored examination? Not a simple and nice experience, I assure you. What happened to me? I finished my preparation about Azure (the Microsoft Cloud Environment) and I felt ready to be examined to get the official certification. The process is online (not sure if due to Covid-19 […]

Computing & Electronics

CIDR

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https://cidr.xyz/ example

Great resources are available to let the user understand the CIDR notation (let’s call it the modern way to specify a submask). When you get the logic behind it, probably the best is this online calculator cidr.xyz. To understand the meaning, use this tutorial. For me worked having a visual comparative, like the following. My […]

Computing & Electronics

Regex in Python

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Many tool in the web help us to leverage the regex (lets list just https://regex101.com/ to try live the patterns  and http://rexegg.com/ to learn how construct a regex). So, what’s a regex? A regular expression, i.e., quoting http://rexegg.com/: A regex is a text string that describes a pattern that a regex engine uses in order […]

Computing & Electronics

Photos transformation to art pieces by math

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Website alternativeto promises to collect alternative to software. The suggested alternative to the app Prisma AI are not satisfactory. Because Prisma doens’t limit to change pixel style, but, due an intensive application of machine learning, recreate a paint like image. As they explain: Prisma Labs is a mobile technology company specializing in deep learning related products. Our Prisma Inference […]

Computing & Electronics

shutter permanent image

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Sometimes an image remains stoke in shutter main page. Nothing especially bad, but it’s annoying to find always this image when we open the program. his image is store in /home/user/.cache/shutter/unsaved/ directory.   In our case, with user ca, and filename Schermata del 2017-11-03 17-09-21.png  so: /home/ca/.cache/shutter/unsaved/Schermata del 2017-11-03 17-09-21.png” With grep command we can find […]