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FizpokPak @ Habr 2 place · 01/07/2021 02:52 EDT

Robotic Floor Washer

When we think about robots, the first thing that comes to mind are robotic vacuum cleaners. The reason is simple: they are the most "solid" demonstration of success of "consumer" robotics. So making one sounds like a good idea... at first.But isn't it a bit counter productive - to build something that popular, something we can buy in a store at a commodity (small) price? Should we build something similar,... Read more

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Habr
Alex_Goldberg @ Habr 2 place · 01/06/2021 14:36 EDT

Android interop with SWIG (a guide). From simple to weird. Part 1 — simple

SWIG is a tool for generating cross-language interfaces - it provides interoperability of C++ and other languages (C++ and Java in our case). SWIG just simplifies and automizes cross-language interaction; otherwise, you may end up with thousands of lines of handwritten JNI code - but SWIG covers this for you.This guide is for newbies (Part 1) and for those who experienced in SWIG (part 2). I'm starting from basic setup... Read more

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Habr
SvyatoslavMC @ Habr 1 place · 01/04/2021 02:10 EDT

GTK: The First Analyzer Run in Figures

For some people, the introduction of a static analyzer into a project seems like an insurmountable obstacle. It is widely believed that the amount of analysis results issued after the first run is so large that only two options seem reasonable: do not mess with it at all or refocus all people on fixing warnings. In this article, we will try to dispel this myth by implementing and configuring the... Read more

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Habr
dmitrykabanov @ Habr 1 place · 12/31/2020 15:24 EDT

Startups going global: a guide to Product Hunt

Product Hunt is a Y-combinator backed discovery platform, founded by Ryan Hoover in 2013. Conceived as an email list, it has gone on to become one of the most popular directories, raised $7.5 million in backing and was acquired by AngelList — a social network for entrepreneurs — in December 2016.Exposure on the platform contributed to viral successes of Yo and Ship Your Enemies Glitter, and brought multi-million dollar companies,... Read more

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Habr
AlfaTeam @ Habr 2 place · 12/31/2020 06:01 EDT

Новогодний дайджест: что мы сделали для вас за декабрь

Привет! Вы наверняка заметили, что Альфа-Мобайл серьезно обновился, и мы продолжаем выкатывать новые функции на все большее количество пользователей. В качестве небольшого итога года хотим в формате короткого дайджеста рассказать, что полезного сделали за декабрь.Начнём с раздела "Биометрия".БиометрияТеперь в разделе «Профиль» можно предоставить согласие на использование биометрических данных и сдать лицевую биометрию. Это пригодится при звонке в банк — не придётся вспоминать кодовое слово (а мошенник ничег Read more

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Habr
fiverok @ Habr 3 place · 12/30/2020 16:07 EDT

Установка и настройка терминального сервера на Windows Server + Оптимизация настроек для 1С

Полная настройка терминального сервера, для работы пользователей с 1с и многими другими программами, особенности лицензирования 1с , HASP, настройка RDG, SSL сертификаты Читать далее: Продолжение настройки Read more

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Habr
KAPANDR @ Habr 1 place · 12/29/2020 11:59 EDT

Tarantool: an analyst's view

Hi all! I'm Andrey Kapustin. I work as a system analyst at Mail.ru Group. Our products form a unified ecosystem. Many independent infrastructures generate data in it: taxi and food delivery services, email services, social networks, etc. The faster and more precise we can predict a client's needs, the sooner and more correctly we can offer our products.  Many system analysts and engineers are keen to know: How to design... Read more

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Habr
varunbhagat1 @ Habr 1 place · 12/29/2020 05:58 EDT

React Native: The first choice of mobile app developers and businesses

Let’s discuss why mobile app developers select React Native for application development over other cross-platform frameworks. While few users continue to work with the Native development approach, those who want to succeed in their business have started exploring new opportunities. One such occasion in this technically advanced world is to turn toward cross-platform frameworks. Out of 2.8 million apps available on the Google play store and 2.2 million apps in... Read more

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Habr
VijayDeveloper @ Habr 3 place · 12/28/2020 13:30 EDT

What Should You Look For In A Dedicated Server Provider

Today, if you want to grow your business successfully, you have to emphasize a large audience that can only be possible if you have an online presence. Most of the population scroll through the internet for various brands and products. For this, you should have a tremendous user-friendly website to attract significant traffic. But having an attractive website is not the only option. You have to host your website using... Read more

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Habr
oduvan @ Habr 3 place · 12/28/2020 08:42 EDT

9 Reasons Why Students Don’t Want You as a Teacher

Teaching is hard! Finding a way to explain ideas and concepts, finding an approach to each individual among your students, each having a unique mind and learning capabilities. Being patient and creative, friendly but respective, kind but fair. You have to understand complex stuff and be able to present them in the simplest of ways. There are so many things that you must balance and consider in your work. Teachers,... Read more

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Habr
stefanbuzz @ Habr · 12/28/2020 08:41 EDT

Top-10 Bugs in Java Projects in 2020

The New Year is steadily approaching, therefore it's time to sum everything up. Continuing the tradition, we thought back to our articles about checking Java projects from the open-source world for this year and rated the top 10 most exciting bugs. Read more → Read more

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Habr
DmitOlegovich @ Habr 1 place · 12/25/2020 09:43 EDT

Tutorial. Deploying Django project to Heroku and storing static content on AWS S3: basic scenario from start to finish

This tutorial is aimed to help Django beginners who want to run a project on Heroku while storing static files on AWS S3. While being a major help for web developers, both services can be hard for beginners to set up correctly. I’ll admit these topics can be found covered separately elsewhere, but there are also some unaccountable nuances if you are trying to make both work in a single... Read more

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Habr
Debug_all @ Habr 2 place · 12/24/2020 10:26 EDT

[Translation] Visualising Network Topologies: Zero to Hero in Two Days

Hey everyone! This is a follow-up article on a local Cisco Russia DevNet Marathon online event I attended in May 2020. It was a series of educational webinars on network automation followed by daily challenges based on the discussed topics. On a final day, the participants were challenged to automate a topology analysis and visualization of an arbitrary network segment and, optionally, track and visualize the changes.The task was definitely... Read more

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Habr
Firensis @ Habr 2 place · 12/24/2020 07:05 EDT

Top-10 Bugs Found in C# Projects in 2020

This tough year, 2020, will soon be over at last, which means it's time to look back at our accomplishments! Over the year, the PVS-Studio team has written quite a number of articles covering a large variety of bugs found in open-source projects with the help of PVS-Studio. This 2020 Top-10 list of bugs in C# projects presents the most interesting specimens. Enjoy the reading!Read more → Read more

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Habr
SvyatoslavMC @ Habr 1 place · 12/21/2020 00:04 EDT

Did It Have to Take So Long to Find a Bug?

Have you ever wondered which type of project demonstrates higher code quality – open-source or proprietary? Our blog posts may seem to suggest that bugs tend to concentrate in open-source projects. But that's not quite true. Bugs can be found in any project, no matter the manner of storage. As for the code quality, it tends to be higher in those projects where developers care about and work on it.... Read more

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Habr
andreyka26 @ Habr 1 place · 12/19/2020 12:02 EDT

Rich text editors from backend perspective

Welcome everyone, in this article I’m going to overview the most popular types of rich text editors, tradeoffs of their use from a backend perspective. By that I mean: — Streaming of content from the rich text editor to other infrastructure tools like full-text search, warehouses, etc. — Retrieving of content to clients: mobile, web, desktop. — Storing of content in some kind of storage (SQL database in my case)... Read more

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Habr
Stolyarrr @ Habr 1 place · 12/18/2020 02:09 EDT

Top 10 Bugs Found in C++ Projects in 2020

It's winter outside, the year is coming to an end, which means it's time to review the most notable errors the PVS-Studio analyzer detected in 2020.Read more → Read more

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Habr
SvyatoslavMC @ Habr 1 place · 12/17/2020 02:01 EDT

ONLYOFFICE Community Server: how bugs contribute to the emergence of security problems

Server-side network applications rarely get the chance to join the ranks of our reviews of errors found in open source software. This is probably due to their popularity. After all, we try to pay attention to the projects that readers themselves offer us. At the same time, servers often perform very important functions, but their performance and benefits remain invisible to most users. So, by chance, the code of ONLYOFFICE... Read more

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Habr
olegchir @ Habr 2 place · 12/16/2020 09:17 EDT

Big Data Tools EAP 12 Is Out: Experimental Python Support and Search Function in Zeppelin Notebooks

Update 12 of the Big Data Tools plugin for IntelliJ IDEA Ultimate, PyCharm Professional Edition, and DataGrip has been released. You can install it from the JetBrains Plugin Repository or from inside your IDE. The plugin allows you to edit Zeppelin notebooks, upload files to cloud filesystems, and monitor Hadoop and Spark clusters.In this release, we've added experimental Python support and global search inside Zeppelin notebooks. We’ve also addressed a... Read more

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Habr
Sergei2405 @ Habr 3 place · 12/16/2020 05:25 EDT

[Translation] Russian microcontroller K1986BK025 based on the RISC-V processor core for smart electricity meters

Welcome to RISC-V era! Solutions based on the open standard instruction set architecture RISC-V are currently increasing their presence on the market. Microcontrollers from Chinese colleagues are already in serial production; Microchip is offering interesting solutions with FPGA on board. The ecosystem of software and design tools for this architecture are also growing. Seeming previously unshaken leaders have more often found themselves in resale ads, while young startups attract multi-million... Read more

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