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IchNikola @ Habr · 12/16/2020 02:47 EDT

Talking About Errors in the QuantConnect Lean Code

This article discusses errors found using a static analyzer in an open source project. There are some simple things that can help you avoid them. For example, the usage of language syntactic constructs starting from C# 8.0. We hope it will be exciting. Have fun reading! Read more → Read more

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Habr
ValeryKomarov @ Habr 1 place · 12/15/2020 01:56 EDT

Big / Bug Data: Analyzing the Apache Flink Source Code

Applications used in the field of Big Data process huge amounts of information, and this often happens in real time. Naturally, such applications must be highly reliable so that no error in the code can interfere with data processing. To achieve high reliability, one needs to keep a wary eye on the code quality of projects developed for this area. The PVS-Studio static analyzer is one of the solutions to... Read more

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Habr
Closius @ Habr 1 place · 12/12/2020 09:37 EDT

Хочу стать программистом: на примере PLM

Такое можно услышать от многих молодых и взрослых людей. Однако, после недолгого гугления выясняется, что понятие «программист» такое же огромное как «доктор». Все сразу и одновременно охватить невозможно, поэтому давайте разберемся в основных направлениях по котором можно развиваться. Если говорить в кратце то программирование это написание программ (ваш кэп). Эти программы нужы для того, чтобы автоматизировать какую-либо деятельность или для развлечения. Например программы управления станками на заводе, а Read more

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Habr
forgotten @ Habr 2 place · 12/11/2020 16:54 EDT

A Book on the API Design

This year, each of us seeks a special way to pass the time. I am writing a book, for example. A book about one thing I love dearly: the API. (You may read who am I and what expertise got in APIs in my LinkedIn profile.)I've just finished the first large section dedicated to the API design. You may read it online, or download either pdf or epub version, or... Read more

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Habr
aydu @ Habr 2 place · 12/11/2020 04:41 EDT

Algorithms in Go: Sliding Window Pattern (Part II)

This is the second part of the article covering the Sliding Window Pattern and its implementation in Go, the first part can be found here. Let's have a look at the following problem: we have an array of words, and we want to check whether a concatenation of these words is present in the given string. The length of all words is the same, and the concatenation must include all... Read more

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Habr
vladimirKa002 @ Habr 1 place · 12/09/2020 14:27 EDT

Designing a circuit that calculates integer cube root

Designing a circuit that calculates integer cube root.In this article I will make a circuit on Verilog HDL on FPGA which will calculate cube root from integer value. Read more Read more

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Habr
VlK @ Habr 1 place · 12/08/2020 11:02 EDT

The Rules for Data Processing Pipeline Builders

"Come, let us make bricks, and burn them thoroughly." – legendary buildersYou may have noticed by 2020 that data is eating the world. And whenever any reasonable amount of data needs processing, a complicated multi-stage data processing pipeline will be involved. At Bumble — the parent company operating Badoo and Bumble apps — we apply hundreds of data transforming steps while processing our data sources: a high volume of user-generated... Read more

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Habr
anatolii_kabanov @ Habr 2 place · 12/08/2020 04:41 EDT

[Translation] Development of “YaRyadom” (“I’mNear”) application under the control of Vk Mini Apps. Part 1 .Net Core

Application is developed in order to help people find their peers who share similar interests and to be able to spend some time doing what you like. The project is currently on the stage of beta-testing in the social network “VKontakte”. Right now I am in the process of fixing bugs and adding everything that is missing. I felt like I could use a bit of destruction and decided to... Read more

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Habr
rcl @ Habr 2 place · 12/07/2020 05:19 EDT

cGit-UI — a web interface for Git Repositories

cGit-UI — is a web interface for Git repositories. cGit-UI is based on CGI script written in С.This article covers installing and configuring cGit-UI to work using Nginx + uWsgi. Setting up server components is quite simple and practically does not differ from setting up cGit.cGit-UI supports Markdown files that are processed on the server side using the md4c library, which has proven itself in the KDE Plasma project. cGit-UI... Read more

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Habr
AlexFTF @ Habr 1 place · 12/06/2020 04:50 EDT

Configuring FT4232H using the ftdi_eeprom

The FT4232H is USB 2.0 High speed to UART IC converter. The FT4232H has four UART ports and one USB port.By connecting EEPROM memory to this chip, you can set specific operating modes or change the manufacturer's data.Let's look at the example and configure FT4232H directly on a system running GNU/Linux. We will do this using the ftdi_eeprom. Read more → Read more

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Habr
aydu @ Habr 2 place · 12/05/2020 05:52 EDT

Algorithms in Go: Sliding Window Pattern

Let's consider the following problem: we have an array of integers and we need to find out the length of the smallest subarray the sum of which is no less than the target number. If we don't have such a subarray we shall return -1.We can start with a naive approach and consider every possible subarray in the input: Continue reading Read more

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Habr
snakers4 @ Habr 2 place · 12/05/2020 04:55 EDT

Playing with Nvidia's New Ampere GPUs and Trying MIG

Every time when the essential question arises, whether to upgrade the cards in the server room or not, I look through similar articles and watch such videos.Channel with the aforementioned video is very underestimated, but the author does not deal with ML. In general, when analyzing comparisons of accelerators for ML, several things usually catch your eye:The authors usually take into account only the "adequacy" for the market of new... Read more

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Habr
sannikovdmitry @ Habr 3 place · 12/04/2020 11:17 EDT

Russian AI Cup 2020 — a new strategy game for developers

This year, many processes transformed, with traditions and habits being modified. The rhythm of life has changed, and there's more uncertainty and strain. But IT person's soul wants diversity, and many developers have asked us if annual Russian AI Cup will be held this year. Is there going to be an announcement? What is the main theme of the upcoming championship? Should I take a vacation? Though some changes are... Read more

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Habr
TheyMakeDesign @ Habr · 12/04/2020 05:18 EDT

Vital Characteristics Of The Best Webflow Designers

A great website serves as the main key to hit success. Enhancing the online presence of your brand is absolutely a must nowadays. Technological advancement has changed the global business landscape. Hence, it is important to have a webflow developer who will take charge of the codes to be used in website templates and designs. Webflow is a website tool. It is a flexible platform that is geared to create... Read more

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Habr
Andrey2008 @ Habr · 12/01/2020 12:27 EDT

The Code Analyzer is wrong. Long live the Analyzer

Combining many actions in a single C++ expression is a bad practice, as such code is hard to understand, maintain, and it is easy to make mistakes in it. For example, one can instill a bug by reconciling different actions when evaluating function arguments. We agree with the classic recommendation that code should be simple and clear. Now let's look at an interesting case where the PVS-Studio analyzer is technically... Read more

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Habr
GGribkov @ Habr · 11/30/2020 03:42 EDT

How static code analysis helps in the GameDev industry

The gaming industry is constantly evolving and is developing faster than a speeding bullet. Along with the growth of the industry, the complexity of development also increases: the code base is getting larger and the number of bugs is growing as well. Therefore, modern game projects need to pay special attention to the code quality. Today we will cover one of the ways to make your code more decent, which... Read more

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Habr
kristencarter7519 @ Habr · 11/30/2020 00:24 EDT

Top iOS Development Tools To Build Robust Apps | 2021

There was a time when iOS app development was a major challenge. But along with time, things got better when Apple gradually launched the iOS development tools. Now in the market, there are several iOS tools, but among all, only a few are able to offer secure and foremost solutions.In order to build highly scalable, robust, and functional iPhone apps with a brilliant UI/UX design, businesses prefer to use top... Read more

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Habr
Andrey_Rogovsky @ Habr · 11/29/2020 14:51 EDT

Приглашаю все на вебинар по вопросам безопасности PHP

Вы хоть раз писал на PHP? Я - да!А хоть раз задумывались о безопасности? Я тоже!Давайте обсудим вместе на вебинаре, посвященном проблеме безопасности PHP! Читать далее Read more

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Habr
SvyatoslavMC @ Habr · 11/27/2020 01:54 EDT

Analyzing the Code Quality of Microsoft's Open XML SDK

My first encounter with Open XML SDK took place when I was looking for a library that I could use to create some accounting documents in Word. After more than 7 years of working with Word API, I wanted to try something new and easier-to-use. That's how I learned that Microsoft offered an alternative solution. As tradition has it, before our team adopts any program or library, we check them... Read more

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Habr
codesign @ Habr · 11/26/2020 13:49 EDT

How to build a high-performance application on Tarantool from scratch

I came to Mail.ru Group in 2013, and I required a queue for one task. First of all, I decided to check what the company had already got. They told me they had this Tarantool product, and I checked how it worked and decided that adding a queue broker to it could work perfectly well. I contacted Kostja Osipov, the senior expert in Tarantool, and the next day he gave... Read more

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