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We are often asked whether we send bug reports to developers of open-source projects. The answer is yes. More than that— we sometimes track the progress. This article is about one of the cases when this habit prevented a sloppy bug fix.

Seems like Microsoft has just announced Visual Studio 2022. And it already came out! For us at PVS-Studio, this meant only one thing — we must support this IDE in the next PVS-Studio release. Almost everything went smoothly. However, there were some hitches that we're going to discuss today.

We are pleased to announce the first release of PVS-Studio in 2022. In this article, we discuss various enhancements in managing Unreal Engine and ASP.NET Core projects. Keep reading to learn about new diagnostics and latest articles by PVS-Studio.

How can simple XML files processing turn into a security weakness? How can a blog deployed on your machine cause a data leak? Today we'll find answers to these questions, learn what XXE is and how it looks like.

After completion of the System Beeps, I wasn’t planning to make another stand alone album release with the pseudo polyphonic music, as I felt the topic had been explored enough. This, however, wouldn’t mean I couldn’t apply the experience and skills gained to make more utilitarian stuff, like an actual retro game OST or an old school demoscene project. Such an opportunity arose in Autumn 2020, as David Murray of The 8-bit Guy Youtube channel fame announced his new game to be in development, the Attack of The PETSCII Robots for Commodore PET and some other Commodore 8-bitters. As I previously worked with David on his previous big release, Planet X3 game for MS-DOS, and this was a perfect opportunity to satisfy my interest towards the pre-graphics era PCs as well as apply my vast experience both in the minimalistic computer music and 6502 assembly programming, I offered my services that had been accepted. Besides the sound code I also had hopes to participate as a music composer this time.

Unfortunately, this time the project didn’t went well on my side, and lots of issues of all kinds eventually turned it into a small scale development hell (you can learn more from a series of posts at my Patreon blog)  The end result was that my code and sound effects were only used in the VIC-20 port, and music for other versions has been created by other people. However, I was left with the full working code of the sound system for PET, and a number of music sketches. It would be a pity to file it into the archive, PET projects aren’t a frequent thing these days, so another chance to use the stuff wouldn’t come any time soon. So I got the idea to develop my music sketches into full songs, and release it as an alternative OST, and having David’s approval it has been done and released in the Winter 2021 as Faulty Robots, a small music album for PET that is available as a digital audio release and a runnable program for the actual PET computer.

Do you plan to start a cryptocurrency exchange business? If so, now is the perfect time. The easiest and safest way to make money from cryptocurrencies is to create a crypto-exchange application. Regardless of whether traders and investors make or lose money, the cryptocurrency exchange will remain a winner in any case.

But, how to open a cryptocurrency exchange app? So, let’s look at the main stages of the process.

Ссылка на русскую версию / link to Russian version

FPGA InsideOut is an attempt to make a set of educational FPGA videos presented in the “human-in-the-loop” style. In these videos we will not only show how we are interfacing with an actual FPGA board but will also provide synchronous real-time visualisation of FPGA's internal logic.

For our first video we have picked a CRC circuit (cycle redundancy check) which is based on a linear feedback shift register. This circuit goes through several transformations during the course of the video. Intrigued? - let’s watch the video.

In various discussions, we have already commented on how the PVS-Studio C and C++ module works with memory. Now it's time to make a small article from this comment.

The PVS-Studio analyzer often checks code of libraries, frameworks, and engines for game development. Today we check another project — MonoGame, a low-level gamedev framework written in C#.

Hello! I'm kicking off another article series about the internals of PostgreSQL. This one will focus on query planning and execution mechanics.

In the first article we will split the query execution process into stages and discuss what exactly happens at each stage.

A website with bugs could be a real pain in the neck for business. Just one 404 or 500 error could end up costing an obscene amount of money for the company and hurt a good reputation. But there is a way to avoid this issue: the website testing. That's sort of what this article is about. After reading this article, you will learn how to test code in Django, create your "own website tester" and much more. Welcome to the article.

Operating systems are a kind of software where code quality is critical. This time the PVS-Studio analyzer checked MuditaOS. So let's take a look at what the static analyzer found in this open-source OS.

U.S.-based 3D Systems released two updated versions of their Geomagic reverse engineering software: Geomagic Design X and Geomagic Wrap. Both programs work with scanned data and feature various innovative capabilities. They are designed to streamline workflows and provide quality, high-precision models made from 3D scans.

Radhika Krishnan, Executive Vice President at 3D Systems, said that their most comprehensive reverse engineering solution features a wide range of best-in-class products. Robust scan processing and ability to design CAD models is essential for speeding up product development.

He added: “With the new features we are introducing today, designers and manufacturers who have incorporated our reverse engineering products into their end-to-end workflow will be able to achieve unmatched speed and accuracy. We are committed to continuing this caliber of innovation which is enabling our customers to improve productivity, lower Total Cost of Operation (TCO), and maintain competitive advantage.”

3DEXPERIENCE is online and completely free in 2022. Designers, engineers and other attendees can take part in various online sessions.

Chinese 3D printer maker Creality has announced the release of a highly-capable, cost-effective 3D scanner that is brand new.

The CR-Scan 01, Creality's newest scanning solution is a user-friendly device that nevertheless boasts premium specifications, and can capture details as small as 0.1mm of size. Because of its flexible settings, multiple-purpose abilities, and expanded scanning range, the device is very easy to use, while offering impressive accuracy and affordability. 

3D printer manufacturer WASP is known for offering efficient FDM solutions for industrial applications that are bound to dramatically multiply and streamline the production. Let’s have a brief look at one of its flagship products — the Delta WASP 60100 professional delta 3D printer.

Created by Hungarian manufacturer CraftUnique, the CraftBot Flow IDEX XL is a large-format FDM 3D printer equipped with an independent dual extruder (IDEX). The device is aimed at designers, artists, engineers, and architects who want to create large professional prints for artistic, functional, or prototyping needs.

The build chamber of the machine has dimensions of 425 x 250 x 500 mm, providing users with a potential volume of 56 liters. The IDEX system, in which two all-metal hotends are placed in two separate print heads, allows the extruders to freely move along the X-axis. Thanks to the maximum nozzle temperature of 300 °C, the CraftBot Flow IDEX XL is compatible with an array of tough thermoplastics like ABS, Nylon, PETG, and PVA.

The majority of the functions including filament loading/unloading can be accessed via a full-color 5" touch screen located on the front panel. The connectivity options of the device include USB, Wi-Fi, and a cloud. In addition, the printer boasts a built-in camera that allows creating timelapses and controlling the machine remotely, as well as a filament runout sensor to pause printing and continue the process with the other extruder.

Italian 3D printer manufacturer WASP offers the Delta WASP 2040 Industrial X professional FDM system compatible with a plethora of printing materials and featuring a whole lot of bells and whistles.

Hungarian 3D printer manufacturer CraftUnique offers the CraftBot Flow lineup of FDM 3D printers comprising four models: two single extrusion and two individual dual extrusion (IDEX) versions.

The company developed this series with a primary focus on reliability and efficiency, having equipped them with cutting-edge features and its proprietary technology that was the result of referring to active user feedback. Every model from the CraftBot Flow family is "inspired" by the market and is designed to offer its own benefits.