Transcription of Bruce Momjian's 2020 talk "Unlocking the Postgres Lock Manager". (Note: You can get all SQL queries from the slides at this link: http://momjian.us/main/writings/pgsql/locking.sql) Hello! It's great to be here in Russia again. I'm sorry that I couldn't come last year, but this year Ivan and I have big plans. I hope, […]
Many companies today are concerned about the issue of ensuring the information security of their infrastructure, some do it at the request of regulatory documents, and some from the moment the first incident occurs. Recent trends show that the number of incidents is growing, and the attacks themselves are becoming more sophisticated. But you don't have to go far, the danger is much closer. This time I would like […]
In our blog, we already talked about how to create your own Minecraft server, but 5 years have passed since then and a lot has changed. We share with you the actual ways of creating and optimizing the server part of such a popular game. In its 9-year history (if you count from the release date), Minecraft has earned an amazing amount of fans and haters from both casual gamers and […]
In the modern world, video communication has become very important for many companies. But to ensure comfortable communication in video conferencing with high-quality picture and sound, you need special equipment. And Cisco, together with Samsung, are ready to offer such equipment to corporate clients. Recent months have clearly shown many companies that holding negotiations and meetings or meeting with clients is not […]
Creative has announced that by the end of July, sales of the SXFI Gamer gaming headset will begin on the Russian market, the first samples of which were demonstrated in January at CES 2020. The new product is equipped with 50 mm emitters with neodymium magnets. The CommanderMic microphone is used and is claimed to provide the highest clarity comparable to the characteristics of professional equipment. Super X-Fi technology has been implemented for the second […]
Last month, the Huawei Enjoy 20 Pro smartphone debuted with a 5G MediaTek Dimensity 800 processor, a 6,57-inch 90Hz Full HD+ display and a triple camera (48+8+2 million pixels). Now, web sources have revealed information about a sister device, Enjoy 20, which is expected to be announced soon. In particular, a render of the upcoming new product has been released. The device, according to available information, will have a frameless screen with [...]
Nick Desaulniers, who works at Google to support building the Linux kernel using the Clang compiler and also helps fix bugs in the Rust compiler, proposed a session at the Linux Plumbers Conference 2020 to discuss making it possible to develop kernel components in Rust. Nick is running a micro-conference on LLVM and thinks it would be a good idea to […]
The release of Minetest 5.3.0 is presented, an open cross-platform version of the MineCraft game, which allows groups of players to jointly form various structures from standard blocks that form a semblance of a virtual world (sandbox genre). The game is written in C++ using the irrlicht 3D engine. The Lua language is used to create extensions. The Minetest code is licensed under the LGPL, and the game resources are licensed under CC BY-SA 3.0. Ready […]
Dale Hirt, PHP project manager at Microsoft, warned developers that the company will not support the PHP 8.0 branch for Windows. For the PHP 7.2, 7.3 and 7.4 branches, Microsoft engineers provided support for building, fixing specific errors and developing for the Windows platform. For branch 8.0, this work will have to be carried out by community members interested in […]
Minecraft is one of the most popular online games today. In less than three years (the first official release took place in the fall of 2011), he has gained millions of fans around the world. Game developers deliberately focus on the best examples of twenty years ago, when many games by today's standards were primitive in terms of graphics and imperfect in terms of usability, but at the same time they were really exciting. Like all sandbox games, Minecraft provides the user with […]
Hi all! I didn’t even think that I would return to this case, but the Cisco Open Air Wireless Marathon pushed me to remember and tell about my personal experience, when a little over a year ago I had to spend quite a lot of time studying the problem with a Cisco-based wireless network and iPhone phones. I was assigned to deal with the issue of one of the […]
There are already many quality articles on Habré with a detailed explanation of how Wi-Fi works and how to configure it. However, all these articles have at least a few shortcomings that prevent them from being given as a guide to action for a conditional neighbor in a high-rise building or hanging a printout on the wall in the entrance: 1. without even the slightest engineering education, understand and apply […]
