Ways to set up Node.js on Raspberry Pi [New Question]

A quick question, answered on Heelpbook, about “Ways to set up Node.js on Raspberry Pi”, an important component when implementing web services and applications on Linux systems (and Raspberry Pi). Read More …

Getting bash: /usr/local/bin/npm: No such file or directory on Linux [New Question]

A quick question, answered on Heelpbook, about “Getting bash: /usr/local/bin/npm: No such file or directory on Linux”, that prevents the usage of npm utility, even if completely reinstalled, in some cases. Read More …

MacOS X – Managing Gatekeeper (Terminal)

Gatekeeper is a feature available on MacOS X systems to block, by default, any application that is not installed from the Apple Store, for security reasons (all apps on Apple Store are validated and certified by the original developers). Let’s see how to manage this feature on MacOS X systems by accessing to it using command line (using Terminal). Read More …

Python – Pandas – Converting XLSX to Dictionary (key and values)

During data import process in a Jupyter Notebook, using Python and Pandas module for data science, we would need to manipulate or import directly an Excel file into a notebook and transfor all the data into a dictionary, so in this article we will focus on this particular need. Read More …