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SciPy (pronounced as 'sigh pie') is a package of applied mathematical procedures built on the Numpy Python extension. With SciPy, an interactive Python session transforms into a full-fledged data processing and complex systems prototyping environment, similar to MATLAB, IDL, Octave, R-Lab, and SciLab. Today, I want to briefly talk about how to apply some well-known optimization algorithms in […]
SciPy (pronounced as sigh pie) is a mathematical package based on numpy, which also includes libraries in C and Fortran. With SciPy, an interactive Python session transforms into a fully capable data processing environment, similar to MATLAB, IDL, Octave, R, or SciLab. This article will explore the key techniques of mathematical programming — solving constrained optimization problems for […]
The release of the in-memory data caching system Memcached 1.5.13 has occurred, which operates on a key/value format and is known for its simplicity. Memcached is commonly used as a lightweight solution to accelerate high-load websites by caching access to databases and intermediate data. The code is released under the BSD license. This new version is notable for the addition of TLS support for establishing an encrypted communication channel with […]
Oracle has released corrective updates for the virtualization system VirtualBox versions 6.0.6 and 5.2.28, which contain 39 fixes. The new releases also address 12 vulnerabilities, 7 of which are rated critical (CVSS Score 8.8). Details have not been disclosed, but judging by the CVSS level, the issues resolved include problems demonstrated at the Pwn2Own 2019 competition that allow execution from the guest system environment […]
On September 19, the first themed meetup HUG (Highload++ User Group) dedicated to microservices took place in Moscow. The report titled 'Operating Microservices: Size Matters, Even If You Have Kubernetes' shared extensive experience from the company Flant in managing projects with microservice architecture. It will primarily benefit all developers considering […]
According to forecasts by analysts from iKS-Consulting, by 2021, the number of server racks among the largest data center service providers in Russia will reach 49 thousand. Meanwhile, globally, according to Gartner, the number has long exceeded 2.5 million. For modern enterprises, data centers are invaluable assets. The demand for resources for data storage and processing is continually growing, and along with […]
Oracle has released a scheduled update plan for its products (Critical Patch Update), aimed at addressing critical issues and vulnerabilities. The April update resolved a total of 297 vulnerabilities. In the releases of Java SE 12.0.1, 11.0.3, and 8u212, 5 security issues were fixed. All vulnerabilities can be exploited remotely without authentication. One vulnerability specific to the Windows platform has been assigned […]
Ubuntu is an amazing operating system; I hadn't worked with Ubuntu server for a long time, and it didn't make sense to update my Desktop from the stable version. Recently, I encountered the fresh release of Ubuntu server 18.04, and I was astonished to realize how far behind I had fallen and that I couldn't configure the network because the good old system […]
Funcom continues to develop the survival simulator Conan Exiles. The developers have introduced a new seasonal subscription: Conan Exiles – Year 2 Season Pass. This includes four downloadable expansions: 'Treasures of Turan', 'Horsemen of Hyboria', 'Blood and Sand', and 'Secrets of Acheron', with the first one already available. The subscription costs 899 rubles on Steam. 'By purchasing the season pass, you save 25% […]
Good day, dear reader. I will share my nightmare that I experienced while migrating CA from Windows 2008R2 to Windows 2012 R2. There are many articles about this online, and there should have been no issues. Unfortunately — I am not much of a Windows Admin; I am more of a *nix admin, but I was tasked with the migration […]
A comparison of two approaches to structuring the Activity diagram (inspired by 'The Squirrel'). In the first part of the article 'From Process Modeling to the Design of Automated Systems', we modeled processes from a 'fairy tale' subject area — lines about the squirrel from A.S. Pushkin's 'The Tale of Tsar Saltan, His Glorious and Mighty Son Prince Guidon Saltanovich and the Beautiful Swan Princess'. And we began with […]
The Defense Advanced Research Projects Agency (DARPA) is developing its own secure communication platform. The project is called RACE and aims to create a distributed anonymous system for communication. RACE is based on requirements for network resilience and the privacy of all its participants. Thus, DARPA places security at the forefront. Although technical […]
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