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Author: ProHoster

Russia passed a law on the regulation of cryptocurrencies: you can mine and trade, but you can’t pay with them

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On July 22, the State Duma of Russia adopted in the final, third reading the law “On digital financial assets, digital currency and on amendments to certain legislative acts of the Russian Federation.” It took parliamentarians more than two years to discuss and finalize the bill with the involvement of experts, representatives of the Central Bank of the Russian Federation, the FSB and relevant ministries. This law defines the concepts of “digital currency” and “digital financial […]

A technique to discreetly distort photos to disrupt facial recognition systems

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Researchers from the SAND Laboratory at the University of Chicago developed the Fawkes toolkit to implement a method for distorting photographs, preventing them from being used to train facial recognition and user identification systems. Pixel changes are made to the image, which are invisible when viewed by humans, but lead to the formation of incorrect models when used to train machine learning systems. The toolkit code is written in Python […]

Tuning PID controllers: is the devil as scary as he is painted? Part 1. Single-circuit system

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This article opens a series of articles on automated ways to tune PID controllers in the Simulink environment. Today we will figure out how to work with the PID Tuner application. Introduction PID controllers can be considered as the most popular type of regulators used in industry in control systems of closed systems. And if engineers remember the structure and principle of operation of the controller from their student days, then its setting, i.e. calculation […]

Will providers continue to trade metadata: the US experience

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We are talking about a law that partially revived the rules of net neutrality. / Unsplash / Markus Spiske What Maine said Authorities in Maine, USA, passed a law requiring ISPs to obtain explicit user consent for the transfer of metadata and personal data to third parties. First of all, we are talking about browsing history and geolocation. Providers were also banned from advertising services that […]

Analytic query performance testing in PostgreSQL, ClickHouse and clickhousedb_fdw (PostgreSQL)

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In this study, I wanted to see what performance improvements can be obtained by using a ClickHouse data source rather than PostgreSQL. I know what performance benefits I get from using ClickHouse. Will these benefits be retained if I access ClickHouse from PostgreSQL using an external data wrapper (FDW)? The database environments being investigated are PostgreSQL v11, clickhousedb_fdw […]

The bulk of NVIDIA Ampere graphics cards will be content with traditional power connectors

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Recently, quite official sources have spread information about the specifications of a new 12-pin auxiliary power connector capable of transmitting up to 600 watts. NVIDIA gaming video cards of the Ampere family should be equipped with such connectors. The company's partners are convinced that in most cases they will get by with a combination of old power connectors. The popular site Gamers Nexus conducted its investigation on this topic. He explains that NVIDIA […]

IGN has published a 14-minute video showing the gameplay of the Mafia remake

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Edition IGN has published a 14-minute video demonstrating the gameplay of Mafia: Definitive Edition. According to the description, what is happening on the screen is commented by the president and creative director of the studio Hangar 13 Haden Blackman (Haden Blackman). He talks about the changes that have been made. The main part of the video took the performance of one of the game missions on the farm. The authors showed several cut-scenes and skirmishes with enemies. According to Blackman, […]

The KDE project introduced the third generation of KDE Slimbooks

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The KDE project introduced the third generation of ultrabooks, sold under the KDE Slimbook brand. The product was developed with the participation of the KDE community in cooperation with the Spanish hardware vendor Slimbook. The software is based on the KDE Plasma desktop, the Ubuntu-based KDE Neon system environment, and a selection of free applications such as the Krita graphics editor, Blender 3D design system, FreeCAD CAD software, and […]

re2c 2.0

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On Monday, July 20, the release of re2c, a fast lexical analyzer generator, was released. Main changes: Added support for the Go language (enabled either with the --lang go option for re2c, or as a separate re2go program). The documentation for C and Go is generated from the same text, but with different code examples. The code generation subsystem in re2c has been completely redesigned, which […]

Procmon 1.0 Preview

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Microsoft has released a preview version of the Procmon utility. Process Monitor (Procmon) is a Linux port of the classic Procmon tool from the Sysinternals toolkit for Windows. Procmon provides a convenient and efficient way for developers to monitor application system calls. The Linux version is based on the BPF toolkit, which makes it easy to instrument kernel calls. The utility provides a user-friendly text interface with the ability to filter […]

Meeting for Java developers: how to solve throttling problems using Token Bucket and why a Java developer needs financial mathematics

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DINS IT EVENING, an open platform that brings together technical experts in Java, DevOps, QA and JS, will hold an online meeting for Java developers on July 22 at 19:00. Two reports will be presented at the meeting: 19:00-20:00 — Solving throttling problems using the Token Bucket algorithm (Vladimir Bukhtoyarov, DINS) Vladimir will analyze examples of typical errors in the implementation of throttling and will review the Token […]

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