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I am a representative of a micro business, which makes software for the commercial customers from the scientific sphere. Quarantine and forced isolation 2020 made me look for customers in the public sector, and for that you have to get into the national Registry. To do this, you need to apply according to the rules of Government Resolution No. 1236. The decision on inclusion takes the Ministry of communications. As it turned out, in practice, the experts of the Ministry are guided by a completely different document — methodical recommendations from CCIT, the existence of which as a developer, I do not even know. This document expressly forbids the use of components of software with the GPL - and MPL-license. The paradox is that under the GPL and published...

Dear readers, my name is Felix Harutyunyan. I am a student, a professional violinist. In this article I want to share with You an excerpt from my presentation that I presented at the University of music and theatre of Graz on the subject of applied acoustics. let us Consider the theoretical aspects of the conversion of the analog (audio) signal to digital. the Article will not be comprehensive, but the text will be a hyperlink for further studying the topic. What is the difference between digital audio and analog? Analog (or continuous) signal is described by a continuous function of time, i.e. Read more →

I Represent to your attention — one of the possible embodiments of a pretty fun reception, to create a realistic effect of turning pages. Demo & documentation Github a Similar effect I implemented according to a long time, even at the University and in Delphi. It turned out quite well, though the time I spent then very much. Now — during the isolation, it was interesting to implement something like that in JS, for PC and mobile devices. to be honest, I'm not sure about the practicality of this effect, and I think that in most cases there is nothing better than a simple change of images without any animation. But it is quite possible to use, for example on sites restaurants to publish menus (but the main thing — that would be next duplicated the link!). all...

In search of modern methods and tools that enable us with any degree of certainty that the web site is protected from future hacker attacks (that we all, no one there is no doubt? And if they did not exist, it is only a matter of time), was found recommendations in this article. This small but important list of concrete actions that should be performed each with its own web resource, if the company's reputation, security, web resources and customer data – these are not empty words for you. Read more →

Last week, specialists Sophos has revealed interesting details of Trojan-ransomware Ragnar Locket (article in edition ZDNet technical blog post by Sophos). Extortionist drags on the attacked system full virtual machine in which runs, gets access to the host filesystem, and encrypts the data. Among other things, this case shows that inflation installers reached and malicious software. To hide the actual malicious code size 49 kilobytes, the victim takes the installer volume 122 MB, which expanded to 282 megabytes. According to Sophos, the extortionist uses group aimed at business. In an example, lead the attack on the electricity supplier Energias de Portugal. Presumably they stole 10 terabytes of data, and for decoding the cybercriminals demanded 1580...

Hi, Habr! I represent to your attention translation of the article "EfficientDet: Scalable and Efficient Object Detection" author Mingxing Tan, Ruoming Pang, Quoc V. Le. In recent years there has been enormous progress towards a more accurate detection of objects at the same time modern object detectors are also becoming more expensive. The cost of computing processes and expensive calculations limit their deployment in many real-world applications such as robotics and cars with the autopilot, where the size of the model and the delay is very limited. Given these limited resources of the real world, the model performance is becoming more important for object detection. Had a lot of previous work aimed at the development of more effective architectures...

Because we are not satisfied with the speed and reliability of the original implementation in Ruby, in the last few years we have been gradually taken out of the critical functionality of our Rails monolith GitHub.com and rewrote some of the code on the Go. For example, on Github Satellite in the past year, we have announced — and implemented — ability "more controlled" authorization using the service authzd. Work with authzd was very interesting and important mission for us because it was our first service to Go to work with reading data from MySQL databases for production during a web request. We have had experience of the deployment of the other running MySQL services on the Go, but they were either internal oversight services (our cluster search engine...

Administration of workstations when their physical absence in the office — a new challenge for companies who have transferred employees to the remote mode. If you have administrator privileges, users could inadvertently install the software that will be an exploit for someone else's malice. For example, many well-known case of refusal to Zoom in Google, SpaceX and other well-known companies and government agencies. In this article we will examine examples of solutions for distribution and inventory KACE Quest including for detection on workstations of the same Zoom. Details under the cut. Read more →

The Reason why you, in all seriousness, you need to stop sign up for online courses if you don't practice what you already know. was a weekend. I just finished another online course on data science. I felt I had achieved something. Still, one feels that he became a true specialist in the field of data, "successfully completing" 5 different courses and received certificates for each of them. That's what I thought. But online courses are a funny thing. Most of them have colourful descriptions, long list of topics that they cover promises to make you an expert in one or several fields, and if you're lucky, and the reviews of people who have already completed the course. Usually write reviews about how this course has saved someone from imminent death or made...

All his short existence in the role of a c# programmer, I thought that LINQ is not primarily about performance, but about programmer productivity is how quickly he's writing code, not how fast this code executes the processor. And performance issues and code, and the programmer solved after identifying bottlenecks. Therefore, I often write var groupedByDate = lst.GroupBy(item => item.IssueTime.Date).Select(...).ToList() and do so not because of spite or malice, but simply it is easier to debug code. For a list, just put the mouse cursor over the variable text and immediately see if there is something or not. Read more →

Today, every day running into some kind of webinar or online conference. Udalenku go to the schools and universities, big corporations are hastily rethinking their flagship events online (like the two-day Microsoft Build), the JUG EN Group online will last several weeks. The industry captured by rapid innovation. However, the level of the average of the webinar on the Internet is still extremely bad. Probably, any reasonable person for once in your life wondered what kind of Orgy? Why am I part of this? But if that's where the money is paid, it is insulting to tears. I have the feeling that progress is not there and never was. It would seem, in the court 2020, at any computer store are cool Webcams and phones, filled with the wonders of computer photo. You...

Russia's 16 million schoolchildren, more than a million teachers (of which about 700 thousand as of use online tools), and 40 thousand schools. In mid-March, thousands of schools temporarily closed the doors and officially moved in distance education. After spring break, millions of people were forced to urgently adapt to the education on remote. The transition to online was painful. Economou become things like "take a picture of the homework, done in a normal notebook, and then the teacher will understand." In the end, the teachers in the evening shoveled photos often turned and adjusted the brightness of the picture to something to be seen, printed, checked, sent their photos already with the results of the test... and graded them in the e-zine. When we...

[Source] we are All in varying degrees familiar with c AR technologies. The Newswires are full of stories about the companies that issued new augmented reality glasses. Futurists foretell tremendous changes in the usual world. So often appear around the games, apps and other cool stuff related to AR, that one is like here and it will be possible to buy new glasses and get immersed in the world of AR. But where did glasses with augmented reality that we are all waiting for? Which, in General, AR technology is now used? Read more →

Coronavirus continues its deadly spread around the world and in our country. We have been working from home for almost two months, as all IT-specialists worldwide and, on the one hand, more and more sad about our good old openspace and the opportunity to discuss all the challenges and problems in living, not insanely useful, but still soulless zoom-in (we unfortunately did not have time to take a California-Lama rental to all of our meet-up s :)). On the other hand we are increasingly thinking about the automation of all processes, including processes of creating those analytical data that we work with and our system. speaking in more detail, we recall our first robot merchandiser, which we did in prototype 2 years ago and think more and more (and not just...

Best practices Kubernetes. Creating small containers Best practices Kubernetes. Organization Kubernetes namespace Best practices Kubernetes. Check the viability of Kubernetes using Readiness tests and Liveness Best practices Kubernetes. Set up requests and limits resources Best practices Kubernetes. Correct disabling Terminate If you are like most people, you most likely are using resources, operating outside of your cluster. You may be using the Taleo API to send text messages or analyze the image with Google APIs Cloud Vision. Read more →