Hello everyone! Welcome to the second part of the PVS-Studio Team's Kanban Board story. This time we'll talk about YouTrack. You'll learn why we chose and implemented this task tracker and what challenges we encountered. We don't want to advertise or criticize YouTrack. Nevertheless, our team thinks JetBrains has done (and keeps doing) a great job. Read more → Read more ›
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![[Translation] Clickhouse next to Zabbix or how to collect logs next to monitoring](https://times42.com/media/1/4/8/2699148_640x200.jpg "[Translation] Clickhouse next to Zabbix or how to collect logs next to monitoring")
If you use Zabbix to monitor your infrastructure objects but have not previously thought about collecting and storing logs from these objects then this article is for you. Read more Read more ›
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Today we're going to discuss how small optimizations in the right places of the application can improve its performance. Imagine: we remove the creation of an extra iterator in one place, get rid of boxing in the other. As a result, we get drastic improvements because of such small edits. Read more → Read more ›
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Recently PVS-Studio has implemented a major feature—we supported intermodular analysis of C++ projects. This article covers our and other tools' implementations. You'll also find out how to try this feature and what we managed to detect using it. Read more Read more ›
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В прошлой статье я показал, как можно собрать свой Lighthouse. Сегодня пришла очередь применить получившийся трифорс в Performance-тестах, которые его команда успешно применяет для оптимизации и ускорения платформ Авито. Это не так просто, как хотелось бы. С функциональными тестами всё прозрачно — тест либо проходит успешно, либо фэйлится. А в Perfomance-тесте у вас есть какая-то цифра, и непонятно — хорошая она или плохая. Если бы мы использовали инструмент типа Lighthouse,... Read more ›
2
In any project, a great deal of importance is placed on the selection of server hardware and WebRTC streaming is no exception. One of the key principles of such a selection is balance – the hardware should be powerful enough to handle the streams with no drops in quality, but not too powerful so as to waste resources. So, how does one choose the right server? Read more Read more ›
2
People increasingly start optimizing the process of finding code errors using static analyzers. Nowadays, we can choose from a variety of products to view analysis results. This post covers the ways how to view an analyzer report in the most stylish and feature-rich IDE among multifunctional ones – VSCode. The SARIF format and a special plugin for it allow us to perform our task. Keep reading to find out about... Read more ›
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Once I was asked to save a traffic dump of an Instagram app while viewing one particular user profile. Simply saving the traffic dump on the router didn't make sense because the app used TLS to communicate with the server. Existing solutions didn't work because they worked with an older version of Instagram.Below I will describe how I managed to do it myself using mitmproxy, ghidra and frida. Read more Read more ›
0
With the help of the ESLint and Prettier features, you can automate the formatting of your code, make it more expressive and accurate, correspond to specific rules, and avoid errors and bottlenecks even before uploading the code to the shared source storage... Read more Read more ›
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![[Translation - recovery mode ] Unfinished startups — the AELITA project](https://times42.com/media/8/4/3/2676843_640x200.jpg "[Translation - recovery mode ] Unfinished startups — the AELITA project")
Back to the list Introduction I spent a long time thinking about whether or not I should write stories like this from the lives of innovators. After all, revealing the essence of unfinished project means you can lose the very foundation of the project, its pizazz and even its know-hows. Moreover, that's already happened to me in one of my projects from 10 years ago. I'm not going to give... Read more ›
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OpenAPI specificationOne of the nicest features of Go is the power of code generation. go generate command serves as a Swish knife allowing you to generate enums, mocks and stubs. In this article, we will employ this feature to generate a Go code from OpenAPI specification. OpenAPI specification is a modern industrial standard for REST API. This standard has fantastic tooling support and allows you to conveniently render and validate... Read more ›
0
The PVS-Studio analyzer already has plugins for such IDEs from JetBrains as Rider, IntelliJ IDEA and Android Studio. Somehow we missed another IDE - CLion. The time has come to make amends! But why would you need PVS-Studio if CLion already has the code analyzer? What problems appeared during development? Keep reading to find answers to these questions. Read more Read more ›
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Static code analysis allows you to identify and eliminate many defects at an early stage. Moreover, it's possible to detect dormant errors that don't show themselves when they appear. They can cause many problems in the future and it requires many hours of debugging to detect them. Let's look at an example of such a dormant error. Read more → Read more ›
1
Monitoring systems are a vital tool for any system administrator, because they can be used to extract specific information from services, such that: Read more Read more ›
2
Couple of weeks ago (or to be more precise, on July 2, 2021), the legendary BitTorrent protocol turned twenty years old. Created by Bram Cohen, the protocol has been developing rapidly since its inception, and has quickly become one of the most popular ways to exchange files. So why not check out a couple of long-lived related projects with the PVS-Studio analyzer for Linux? Read more → Read more ›
0
This project is aimed at creating an experimental device for emulating RFID labels of three widely available components. I simplified the explanation of the process so that it could be easily replicated. I also developed some helpful ideas along the way, including writing a special program for converting a serial number into the transmitted data, which will definitely prove useful. Read more → Read more ›
0
In the comment sections of our articles about our server there are often users who say: "Why would you jump through so many hoops, when you can do the same with a single line of code in FFmpeg!?" Read More Read more ›
0
In the first part of You don't know Redis, I built an app using Redis as a primary database. For most people, it might sound unusual simply because the key-value data structure seems suboptimal for handling complex data models.In practice, the choice of a database often depends on the application’s data-access patterns as well as the current and possible future requirements.Redis was a perfect database for a Q&A board. I... Read more ›
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RAM disk, this is a disk based on RAM memory chips. This kind of disk is not able to retain data after the power is turned off (unless a supporting battery is used), but has an exceptionally high read/write speed (especially for random access) and an unlimited lifespan. It is important in tasks that need a lot of cycles to write over information, even professional SSD drives don’t live long.... Read more ›
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When building a network for communication between a large number of devices, one may think: what interface to choose? Each interface has its own pros and cons that determine its application: CAN — Automotive, RS485 / RS232 — Industrial, Ethernet — Consumer Electronics / Server. What features of the transceiver microcircuit help to protect against many problems during installation and operation? How is the process of measuring and researching of... Read more ›
0
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