Parallel merge-sort leveraging futures in Racket

Written by Dominik Joe Pantůček on October 10, 2019.

Computers can perform more and more operations per second but that does not make them much faster without any further effort. In the past, the clock speed was the best measure of processor’s performance. With multi-core and multi-processor systems, this is no longer true and the programmers need to pay attention how to access computers’ performance. Read on to find out how in Racket – a modern Scheme dialect – it is quite easy to leverage parallel processing to speed sorting up.

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Cryptoucan™ usage: Enigmail setup

Written by Lída Hrnčířová on October 3, 2019.

In this week’s blog post we will look at all the settings of Enigmail on Windows. If your Thunderbird looks different than ours or you’re missing some options, you’ll find your answers here. And, as always, you can also watch our instructional video that’s at the bottom of the post.

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Cryptoucan™ usage: Handling emails on macOS

Written by Lída Hrnčířová on September 26, 2019.

In today’s post we will learn how to encrypt, decrypt and sign e-mails on macOS using Thunderbird email client! You can read this article to learn how to do it or you can watch our instructional video that we made for you!

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Cryptoucan™ usage: Enigmail set up on macOS

Written by Lída Hrnčířová on September 19, 2019.

In this week’s blog post we will look at all the settings of Enigmail on macOS. If your Thunderbird looks different than ours or you’re missing some options, you’ll find your answers here. And, as always, you can also watch our instructional video that’s at the bottom of the post.

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Cryptoucan™ usage: Key management on macOS

Written by Lída Hrnčířová on September 12, 2019.

In today’s blog post we will show you how to import public keys to your library, how and why to sing them, how to export your own public key and how to display details about the keys. As usual, this is accompanied by instructional video showing you all the process.

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