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 […]