Understanding JWT authentication
Understand what JSON Web Token is, how its header, payload and signature structure works, and learn hands-on by creating a Node.js server with JWT authentication.
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Useful Regex for your daily life
A collection of ready-to-use regular expressions for everyday tasks: validation of CPF, CNPJ, RG, phone, ZIP code, email, password, URLs, IPv4 and more.
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Learn Go, the backend language of the future
Go is a compiled language created by Google, designed for concurrency with goroutines and high performance. Discover why it stands out in a scenario where hardware no longer scales as before and software needs to be increasingly efficient.
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How to make signed commits with Keybase and PGP
Learn how to cryptographically sign your Git commits using Keybase and PGP keys, ensuring GitHub marks your contributions as verified and protecting your identity as an author.
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How to be happy using Regex
Regular expressions are extremely useful for extracting information from any text, searching for one or more matches of a specific search pattern (i.e., a specific string of ASCII or unicode characters).
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A terminal to call your own
A step-by-step guide to upgrading your terminal experience on Ubuntu and macOS with ZSH, Oh My Zsh, syntax highlighting, auto suggestions, and the Z directory jumper.
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Managing Node versions with NVM
A practical guide to installing and using Node Version Manager (NVM), the essential tool for managing multiple Node.js versions on a single machine using .nvmrc files.
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