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Main changes: Added a 256-color video mode 640×480 Bug fixes in the CD-ROM emulator An invalid operation handler for opcode 0xff subcode 7 has been added An undocumented x87 instruction — FFREEP — has been added Improvements in the 0x10 interrupt handler Support for 16C550A FIFO added for emulating the serial port Bug fixes related to RTC, EMS, UMB Support for emulating Tandy DAC added Bug fixes related to SoundBlaster emulation, […]
The properties of ultraviolet light depend on the wavelength, and the UV spectrum varies across different sources. Let's discuss the sources of ultraviolet light and how to use them to maximize their bactericidal effects while minimizing the risks of undesirable biological effects. Fig. 1. The photo does not show disinfection with UVC radiation, as one might think, but rather training in the use of protective suits, identifying luminescent spots of simulated bodily fluids under UVA rays. UVA […]
We continue our story about how we changed the BMS system in our data centers (part 1, part 2). We didn't just swap one vendor's solution for another; we developed a system from scratch tailored to our needs. As we conclude our story, we share the results of the work done and interesting solutions that may be useful to you. New Interface Here, […]
In the first part, we discussed why we decided to replace our old BMS system in our data centers with a new one. And not just replace, but to develop it from scratch based on our requirements. In the second part, we explain how we did it. Market Analysis Considering the wishes described in the first part and the decision to abandon upgrading the existing system, we wrote a technical specification […]
The American company Triton Submarines has introduced the tourist submarine DeepView 24, which will allow tourists to dive to a depth of up to 100 meters and enjoy panoramic views of the seabed. Sea life enthusiasts can observe underwater creatures from inside a huge transparent tube, tall enough to stand upright. The submarine is equipped with air conditioning and accommodates […]
The developers of the OpenBSD project have released a portable edition of the LibreSSL 3.1.1 package, which is a fork of OpenSSL aimed at providing a higher level of security. The LibreSSL project focuses on robust support for SSL/TLS protocols by removing unnecessary functionality, adding additional protective measures, and conducting significant cleaning and restructuring of the codebase. LibreSSL 3.1.1 is marked as the first stable release of the branch […]
An experimental release of the open implementation of WinAPI — Wine 5.8 — has been made. Since the release of version 5.7, 44 bug reports have been closed and 322 changes have been made. The most significant changes include: implementation of Plug & Play device connection notifications; improved support for building with Clang in MSVC compatibility mode; continued development of the WineD3D backend based on the Vulkan API; added […]
Ten years after the last major release, DOSBox Staging 0.75 has been published, a development taken on by enthusiasts within a new project that has gathered numerous scattered patches in one place. DOSBox is a cross-platform emulator of the MS-DOS environment, written using the SDL library and developed to run old DOS games on Linux, Windows, and macOS. DOSBox Staging is being developed […]
Target Audience Are you a developer looking to shift your career towards a more advanced DevOps model? Are you a classic Ops engineer wanting to gain insight into what DevOps means? Or are you neither, having spent some time working in IT and looking to change jobs without any idea where to start? […]
Microsoft is preparing to release the Windows May 2020 Update (20H1). This update will include several nice user interface enhancements, but what is more important for developers and others is that the new version of Windows will introduce WSL 2 (Windows Subsystem for Linux). This is relevant information for those considering a switch to the Windows OS but have yet to make the leap. Dave Rupert has installed […]
There is an opinion that 80% of emails in the world are spam. That is, emails that are completely unnecessary for the recipient (and that is unfortunate). But as if that's not enough, among the spam, there are often messages sent with malicious intent: for instance, to steal or delete data, or for extortion. KDPV: As we know, to send an email […]
A new stable release of the interface for simplifying network parameter configuration has been published — NetworkManager 1.24. Plugins for supporting VPNs, OpenConnect, PPTP, OpenVPN, and OpenSWAN are being developed within their own development cycles. Key innovations in NetworkManager 1.24: Support for virtual routing and forwarding (VRF) network interfaces has been added; Support for the OWE (Opportunistic Wireless Encryption, RFC […] connection negotiation method has been added.
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