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The Splendor and Poverty of Atomic Swaps

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What is wrong with atomic swaps and how channels can help them, what important events took place during the Constantinople hard fork, and what to do when you can't pay for gas. The main motivation of any security specialist is the desire to avoid responsibility. Providence has been kind; I left the ICO without waiting for the first irreversible transaction, but soon found myself involved in the development of a cryptocurrency exchange. I am definitely not the Boy Kibalych, […]

Debian: Simple Transformation from i386 to amd64

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This is a brief article on how to configure a 64-bit architecture on your 32-bit Debian/Deabian-based distribution (which you may have inadvertently downloaded instead of 64-bit) without reinstalling. * Your hardware must originally support amd64; no magic tricks will be performed. * This could damage your system, so proceed with extreme caution. * Everything was tested on Debian 10 buster i386. * Do not attempt this if […]

Alternative window management in Linux

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I am one of those who assigns the Caps Lock to switch layouts because I'm too lazy to press two keys when I can just press one. I would even want two unnecessary keys: I would use one for switching to the English layout and the other for the Russian layout. But the second unnecessary key is for bringing up the context menu, which is so unnecessary that many manufacturers remove it […]

The IT technical side of yachting

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In the article about Spain, I mentioned the electronic navigation equipment for my yacht for sea passages. One of the readers commented, "It's very interesting how this is all done seriously for sailing on the sea." I will try to describe what electronic equipment was on my yacht and how it was connected. In my opinion, the main idea of a yacht is to maximize modern technologies essential for survival […]

Qt Creator 4.11

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On December 12, the release of QtCreator version 4.11 was announced. Since QtCreator has a modular architecture, all functionality is provided through plugins (the Core plugin is mandatory). Below are the new features in the plugins. Projects tested support for Qt on WebAssembly and microcontrollers. Multiple improvements have been made in the project configuration and build subsystems. The file API from CMake 3.14 is used for configuration and launch […]

New font JetBrains Mono

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JetBrains has released its own font: JetBrains Mono. The font is aimed at developers and coding, supporting 138 specific ligatures, 143 (human) languages, 4 levels of thickness and italics, and is distributed under the Apache 2.0 open license. JetBrains Mono is already set as the default in the latest releases of the company's products. >>> Source code repository (GitHub) Source: linux.org.ru

Canonical plans to change the theme in Ubuntu 20.04.

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The teams of developers and designers from Canonical, responsible for the visual style and desktop in Ubuntu, plan to implement a new default theme in Ubuntu 20.04, which will continue the development of the current Yaru theme, introduced since Ubuntu 18.10. In the current version of Yaru, two styling options are available — dark (with dark headers, dark background, and dark elements […]

Google plans to end support for third-party cookies in Chrome by 2022.

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Google has announced its intention to completely discontinue support for third-party cookies in Chrome over the next two years, which are set when visiting sites different from the current page's domain. Such cookies are used to track user movements between websites in the code of advertising networks, social media widgets, and web analytics systems. Just like the intention announced yesterday to unify the User-Agent header, the refusal […]

Microsoft plans to fix another bug in Windows search

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The search engine has long been an integral part of the entire Microsoft operating systems lineup, particularly Windows 10. It makes it easy to find documents, images, or applications. However, search issues in "the ten" occur regularly and quite often. That's why Microsoft is currently working on a new application, Indexer Diagnostics, which is already available in the Microsoft Store. According to the developers, […]

Online retailers have tested simplified payment for goods in the fast payment system

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Online retailers Ozon and Ak Bars Bank have successfully tested the "instant account" feature of the fast payment system (FPS), which allows shopping in online stores through the Central Bank of Russia's service without a QR code. According to official representatives of the Central Bank, 36 banks have already connected to this system; however, at the moment, only 8 of them are testing the payment for goods and services. The Central Bank anticipates that […]

What Pandas 1.0 Brings Us

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On January 9, the release of Pandas 1.0.0rc took place. The previous version of the library was 0.25. This first major release includes numerous wonderful innovations, such as improved automatic summarization of data frames, more output formats, new data types, and even a new documentation site. All changes can be viewed here; in this article, we will limit ourselves to a brief, less technical overview of the main points. The library can be installed […]

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