This short post is an important addition to the series 'How to Take Control of Your Network Infrastructure'. You can find the content of all articles in the series and links here. Why doesn’t it work? If you try to apply the processes and solutions described in this article in your company, you will realize that it may not work for you. For example, let’s […]
(Management maps) (Dedicated to the International Year of the Periodic Table of Chemical Elements) (Last updates made on April 8, 2019. The list of additions is just below the cut) (Mendeleev's flower, Source) I remember we studied a duck. It was three lessons in one: geography, natural science, and Russian. In natural science class, we studied the duck as a duck — what its wings are like, what its feet are like, how it swims, and so on. […]
I initially wrote this article for my blog so I wouldn’t have to search for it again later, but since no one reads the blog, I wanted to share this information with everyone, in case someone might find it useful. While working on the idea of a password reset service in SAP R/3 systems, a question arose — how to launch SAP GUI with the required […]
I began my immersion into the world of IT just three weeks ago. Seriously, three weeks ago I didn't even understand HTML syntax, and my acquaintance with programming languages ended with a school program in Pascal from ten years ago. However, I decided to go to an IT camp where it would be great for kids to create a bot. I thought it couldn't be that difficult. S […]
Since the advent of USB drives, users have been warned to "safely eject" them using the correct disconnection method in Windows, rather than just pulling them out — but that is changing now. In Windows 10 1809, Microsoft changed the default setting for USB drives and other removable media. They can now simply be yanked out of the port without prior disconnection. However, the "Quick […]
Notable events include the drop in prices for RAM and SSDs, the launch of 5G in the USA and South Korea, as well as the imminent testing of fifth-generation networks in Russia, the hacking of Tesla's security system, Falcon Heavy as a lunar transport, and the availability of the Russian OS "Elbrus" to the public. 5G in Russia and the world Fifth-generation networks are gradually starting […]
In our projects, we use microservice architecture. When performance bottlenecks arise, a significant amount of time is spent on monitoring and analyzing logs. Logging the timings of individual operations to a log file usually makes it difficult to understand what triggered these operations, to trace the sequence of actions, or the time offset between one operation and another across different services. To minimize […]
The social network 'VKontakte' has reported the initial results of the VK Coin earning service built on the VK Apps platform. The launch of the VK Coin system was announced on April 1, and many users took this announcement as a joke. However, as 'VKontakte' now claims, the project has proven to be quite popular. In just four days, 4 million users have utilized the service […]
The Google development team announced a major update and expansion of the functionalities of the digital assistant, Assistant, available for mobile platforms Android and iOS. Google Assistant was first introduced by the company in May 2016, and in July 2018 the service gained support for the Russian language. In addition to answering search queries and setting reminders, the assistant allows making calls, sending messages, monitoring […]
Animated histograms that can be embedded directly into posts on any website are becoming increasingly popular. They visually represent the dynamics of changes in various characteristics over a specific period. Let's explore how to create them using R and universal packages. Skillbox recommends: Practical Course "Python Developer from Scratch." A reminder: all readers of "Habr" receive a discount of 10,000 […]
How often do you purchase something on a whim, swayed by great advertising, only for that initially desired item to gather dust in a closet, pantry, or garage until the next big clean-up or move? As a result, you face disappointment due to unmet expectations and wasted money. It’s even worse when this happens in business. Marketing tricks are often so effective that companies buy […]
I started working with CloudFormation 4 years ago. Since then, I have broken many infrastructures, even those that were already in production. But every time I broke something, I learned something new. Based on this experience, I will share some of the most important lessons I've learned. Lesson 1: Check changes before deploying them I learned […]