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Habr
savjolovs @ Habr · 11/03/2020 16:37 EDT

Solving coding problems with Kotlin: Collection functions

(originally published on Medium)I have talked to many Android developers, and most of them are excited about Kotlin. So am I. When I just started learning Koltin, I was solving Kotlin Koans, and along with other great features, I was impressed with the power of functions for performing operations on collections. Since then, I spent three years writing Koltin code but rarely utilised all the potential of the language.During this... Read more

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Habr
ROI4CIO @ Habr · 11/03/2020 09:11 EDT

[recovery mode] SIEM Solutions Overview (Security Information and Event Management)

Modern corporate IT infrastructure consists of many systems and components. And monitoring their work individually can be quite difficult — the larger the enterprise is, the more burdensome these tasks are. But there are the tools, which collect reports on the work of the entire corporate infrastructure — SIEM (Security Information and Event Management) system in one place. Read the best of such products according to Gartner experts in our... Read more

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Habr
byko3y @ Habr · 11/03/2020 01:02 EDT

Making python's dream of multithreading come true

IntroSo you are writing some CPU-intensive code in Python and really trying to find ways out of its single-threaded prison. You might be looking towards Numba's "nopython parallel" mode, you might be using forked processes with multiprocessing, you might be writing microservices with database-like coordinators, or even writing your own multithreaded programs in C/C++ just like creators of TensorFlow did.In this article I'm describing a rationale for my pet project... Read more

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Habr
doruh @ Habr · 10/30/2020 09:01 EDT

[From sandbox] How to rank higher on Google?

There are different approaches to manage construct a brand online, get leads and win in business. By the by, on the off chance that you know a smidgen at a time measure on the most proficient strategy to rank higher on Google first page nothing can stop your business developing expedient. Different SEO methodologies are basic when ranking on Google typically. Additionally, you head the centre insider real factors. Once... Read more

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Habr
foto_shooter @ Habr · 10/30/2020 08:33 EDT

Check how you remember nullable value types. Let's peek under the hood

Recently nullable reference types have become trendy. Meanwhile, the good old nullable value types are still here and actively used. How well do you remember the nuances of working with them? Let's jog your memory or test your knowledge by reading this article. Examples of C# and IL code, references to the CLI specification, and CoreCLR code are provided. Let's start with an interesting case.Read more → Read more

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Habr
m-rv @ Habr · 10/30/2020 08:32 EDT

[Translation] How to made integration with 50 suppliers and not get crazy

There are many supplier types. Some suppliers ready to get your data format, another — don't; some use SOAP protocol, another — REST; some uses EAN for goods identification — another uses offer ID; some ready to give you order status, another — don't, some uses vocabulary, witch elements you need to map with your’ s master data, another — don't. Simply put — suppliers are extremely different. However, we... Read more

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Habr
quaer @ Habr · 10/29/2020 09:38 EDT

In-The-Loop Low-pass Filter

If you look through datasheets you will find a strange circuit used in front of some ADCs. It looks like a low-pass filter, but you will not find this topology in books. Let’s try to figure out what it is, how it works and how to design it.Read more → Read more

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Habr
NIX_Solutions @ Habr · 10/29/2020 02:58 EDT

Technical Challenges of VuzeCamera (iOS) — First-ever 3D VR Movie Shot in Space

VuzeCamera is the first consumer 360° 3D camera and a new dual-camera that gives anyone the power to create and share immersive experiences in 360° or VR180° (3D) Photo and Video. This device is regularly ranked in the top selections of the best cameras, it’s been praised by numerous reviews, and a couple of years ago the Vuze camera went to the International Space Station to shoot the first-ever 3D... Read more

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Habr
Andrey2008 @ Habr · 10/27/2020 07:36 EDT

Checking Clang 11 with PVS-Studio

Every now and then, we have to write articles about how we've checked another fresh version of some compiler. That's not really much fun. However, as practice shows, if we stop doing that for a while, folks start doubting whether PVS-Studio is worth its title of a good catcher of bugs and vulnerabilities. What if the new compiler can do that too? Sure, compilers evolve, but so does PVS-Studio –... Read more

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Habr
nikolz @ Habr · 10/26/2020 00:53 EDT

Уменьшаем потребление ESP8266 при автономной работе с датчиками

Вот уже более пяти лет WiFi модули на основе SOC ESP8266(ESP8285) успешно используются в автономных устройствах для измерения различных параметров объектов и окружающей среды с передачей по WiFi полученных данных. В заметке «Как уменьшить потребление wifi модулей в десять и более раз» (https://habr.com/ru/post/480316/) рассказывал о некоторых способах уменьшения времени активности WiFI сеанса таких модулей, что позволяет существенно сократить потребление энергии во время передачи данных. При этом типовое в Read more

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Habr
VTB @ Habr · 10/22/2020 08:42 EDT

Использовать время: зачем ВТБ новый кредитный конвейер на микросервисах

«Успешные люди вырываются вперёд, используя то время, которые остальные используют впустую», — говорил (так пишут в интернете) изобретатель конвейера Генри Форд. Как микросервисы и графовая платформа помогают экономить время в новом кредитном конвейере ВТБ, читайте под катом. Читать далее Read more

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Habr
Andrey2008 @ Habr · 10/22/2020 04:39 EDT

Checking a Header-Only C++ Library Collection (awesome-hpp)

Somehow, we've happened to check most of the libraries making up a collection called "Awesome hpp". These are small header-only projects in C++. Hopefully, the information about the bugs we've found will help make the libraries better. We'll also be happy to see the developers use PVS-Studio on a regular basis thanks to the free-license option we provide.Read more → Read more

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Habr
ShifaMartin @ Habr · 10/21/2020 07:17 EDT

5 Most Popular IT Outsourcing Software Development Companies in India

The global IT outsourcing market generated a revenue of $520.74 billion in 2019 and it is expected to surge at a CAGR of 7.7% during the 2020-2027 period. The immense growth of the market is due to the growing popularity of outsourcing software development companies across the globe. In fact, in 2018, India dominated the global IT outsourcing market with a 67.0% share and the Indian IT sector generated a... Read more

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Habr
vkhanieva @ Habr · 10/21/2020 03:08 EDT

Amnesia: The Dark Descent or How to Forget to Fix Copy Paste

Just before the release of the "Amnesia: Rebirth" game, the vendor "Fractional Games" opened the source code of the legendary "Amnesia: The Dark Descent" and its sequel "Amnesia: A Machine For Pigs". Why not use the static analysis tool to see what dreadful mistakes are hidden in the inside of these cult horror games?Read more → Read more

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Habr
sergbe @ Habr · 10/19/2020 12:21 EDT

Is headless e-commerce right for your business?

Headless e-commerce is a hot topic in the media and industry events. Business owners who learn more about headless eCommerce (usually called “headless commerce”) start feeling uncomfortable, not understanding whether it is sufficiently important to implement it or not. No one wants to stay behind with technology, but retailers do not have money left for unnecessary toys either. Let's have a look for possible benefits and pitfalls. Read more → Read more

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Habr
ShifaMartin @ Habr · 10/19/2020 11:17 EDT

How to Develop Dating Mobile App like Tinder?

During the COVID 19 pandemic, majorly single people are getting bored the most by sitting at home and just doing work from home; that's why they are searching for the alternatives to be busy and entertained.This is the main reason why dating apps like tinder usage is increasing day by day.  Read More Read more

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Habr
upronin @ Habr · 10/19/2020 07:47 EDT

The work on the historical development plan case Vladimir city (Russia)

I am a russian cartographer Alexander Pronin and I am going to tell you how we together with my colleague Nikita Slavin, a map of the age of the houses of the city of Vladimir was created.Data For the layer with buildings I used a free map from OpenStreetMap. This layer contains the address, which is divided into columns, names of the objects and numbers of storeys. I collect data... Read more

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Habr
kristencarter7519 @ Habr · 10/19/2020 06:25 EDT

5 Thought-Provoking Use Cases Of Blockchain In Diverse Industries

Blockchain is a decentralized technology that maintains a record of all transactions occurring over a peer-to-peer network. Due to Blockchain's several different high-level use cases, numerous industries described Blockchain as the 'magic beans.' Blockchains store the record in a decentralized system that is interconnected. This technology lessens vulnerability and enhances transparency in all industrial sectors as information is stored digitally, and it does not have any centralized point to carry... Read more

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Habr
GGribkov @ Habr · 10/19/2020 03:43 EDT

Checking the Code of DeepSpeech, or Why You Shouldn't Write in namespace std

DeepSpeech is an open-source speech recognition engine developed by Mozilla. It's pretty fast and ranks high, which makes its source code an interesting target for static analysis. In this article, I'll show you some of the bugs found in DeepSpeech's C++ code. Introduction We have already scanned a few projects based on machine learning before, so there was nothing new about DeepSpeech to us in this respect. No wonder since... Read more

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Habr
Andrey2008 @ Habr · 10/16/2020 03:29 EDT

Part 2: Upsetting Opinions about Static Analyzers

By writing the article "Upsetting Opinions about Static Analyzers" we were supposed to get it off our chest and peacefully let it all go. However, the article unexpectedly triggered robust feedback. Unfortunately, the discussion went in the wrong direction, and now we will make a second attempt to explain our view of this situation.Read more → Read more

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