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ShifaMartin @ Habr Β· 10/16/2020 01:42 EDT

How To Build a Password Management Software Using JAVA?

In this digital world, people prefer to work remotely. There are numerous tasks that each of us goes through every day. If I talk about an application's usage, then it has been predicted that there will be a 25% increase in global app downloads between 2018 and 2022.Β But it can be quite challenging for organizations to maintain and create multiple passwords. Hence, a password management software can be a... Read more β€Ί

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Habr
olegchir @ Habr Β· 10/15/2020 09:48 EDT

Distributed File Systems

The Big Data Tools plugin seamlessly integrates HDFS into your IDE and provides access to different cloud storage systems (AWS S3, Minio, Linode, Digital Open Space, GS, Azure). But is this the end? Have we implemented everything and now progress has stopped? Of course not.In this short digest, we'll take a look at 15 popular distributed file systems available on the market and try to get a sense of their... Read more β€Ί

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Habr
PatriciaNeil @ Habr Β· 10/15/2020 03:57 EDT

7 Best Practices Every Budding React.JS Developer Must Follow to Excel

With the advancement in web technology, the entire globe is sliding towards the online tech sphere. The globe around us is going tech-centric day by day and thus the demand for front-end designers and developers also. Whatever, be the purpose, people just google things and get their desired result. This is all because of the increase in the evolution of web and mobile app development. While we all know that... Read more β€Ί

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Yardanico @ Habr Β· 10/14/2020 14:31 EDT

What are ARC and ORC in Nim?

Hello everyone! In this post, I'll try to explain what are ARC and ORC and how they will affect performance or other aspects of Nim. I won't dive too much into writing Nim code with ARC/ORC in mind, but rather give a more-or-less high-level explanation. Read more β†’ Read more β€Ί

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Habr
Hirrolot @ Habr Β· 10/14/2020 02:12 EDT

ΠœΠ΅Ρ‚Π°Π»ΠΈΠ½Π³Π²ΠΈΡΡ‚ΠΈΡ‡Π΅ΡΠΊΠΈΠΉ ΡΠΎΠ²Ρ€Π°Ρ‚ΠΈΡ‚Π΅Π»ΡŒ. ΠžΠΏΡƒΡ I: ΠŸΡ€Π΅Π΄Π²Π°Ρ€ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ ласки

>> ΠžΡΡ‚ΠΎΡ€ΠΎΠΆΠ½ΠΎ, ΠΌΠΎΠ΄Π΅Ρ€Π½! 2 β€” 0.1. Π‘ΠΏΠΎΡ€ Π½Π° баксы ΠΈ Π΄Π΅Π²Ρ‡ΠΎΠ½ΠΎΠΊΠŸΡ€Π΅Π΄ΠΈΡΠ»ΠΎΠ²ΠΈΠ΅Π‘ΠΈΡΡ‚Π΅ΠΌΠ° макросов Π΄ΠΎΠ±Π°Π²Π»Π΅Π½Π° Π² язык программирования Π‘ΠΈ с Ρ†Π΅Π»ΡŒΡŽ абстрагирования часто ΠΏΠΎΠ²Ρ‚ΠΎΡ€ΡΡŽΡ‰ΠΈΡ…ΡΡ синтаксичСских конструкций, ΠΈ ΠΊΠ°ΠΊ слСдствиС β€” сниТСния ΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎΠΉ Π½Π°Π³Ρ€ΡƒΠ·ΠΊΠΈ ΠΏΡ€ΠΈ Ρ‡Ρ‚Π΅Π½ΠΈΠΈ ΠΈ написании исходного ΠΊΠΎΠ΄Π°.Но Π½Π΅ всё Ρ‚Π°ΠΊ радуТно… послС ΠΌΠΎΠΈΡ… экспСримСнтов Π² написании Π½Π΅Ρ‚Ρ€ΠΈΠ²ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… ΠΌΠ΅Ρ‚Π°ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌ Π½Π° связкС Boost/Preprocessor + Boost/VMD я осознал, Ρ‡Ρ‚ΠΎ с Ρ‚Π΅ΠΊΡƒΡ‰ΠΈΠΌΠΈ ограничСниями ΡƒΠ΄ΠΎΠ±Π½ΠΎΠ΅ ΠΈ прСдсказуСмоС ΠΌΠ΅Ρ‚Π°ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ прСпроцСссора β€” Π½Π΅Ρ‡Ρ‚ΠΎ Read more β€Ί

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Kate_Milovidova @ Habr Β· 10/13/2020 02:56 EDT

Organizing Content on Our Blog with Tags

As you know, we regularly post new content on programming and various interesting events from our company's life on our blog. The range of topics is expanding, and the number of articles is growing, so at some point, we started to attach tags to our posts so that you could quickly find content on topics you're interested in. Just click the appropriate tag and – presto! – a sorted list... Read more β€Ί

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Andrey2008 @ Habr Β· 10/12/2020 09:26 EDT

Upsetting Opinions about Static Analyzers

Static analysis tools have advanced far over the time they've been around. They no longer resemble the "linters" that were in active use 20 years ago. But some programmers still view them as extremely primitive tools. And that's very sad. It hurts to see the static analysis methodology in general and our PVS-Studio analyzer in particular treated that way.Read more β†’ Read more β€Ί

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Habr
Buglance @ Habr Β· 10/12/2020 07:08 EDT

Fatal Fight: How we've got 5 million organic installs?

The story of Fatal Fight started in 2015. The time when going global and having 5 million downloads on Google Play Store seemed to be a dream of every game developer. In this article, I will talk about the way we converted the dream into our actual reality. To make it super understandable, find a guide below where I will cover all the stages of development of Fatal Fight and... Read more β€Ί

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FizpokPak @ Habr Β· 10/11/2020 11:01 EDT

Brainless Platform for a Robotic Vacuum Cleaner

More on SnowCron.com First of all, this is just an exercise, useful as is, but the result is going to be far from an industrial level robots. Why doing it then? For the same reasons we do all exercise: to get an experience. After all, when we write a character recognition Β«MNIST classifierΒ» neural network, we know that the problem is solved long time ago. But we need to become... Read more β€Ί

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dmitrykabanov @ Habr Β· 10/11/2020 02:16 EDT

PopMech and its ancestors: a foray into the history of tech

Many of us grew up reading a classic, that was a staple of many home libraries. However, it doesn’t seem to be as prominent as it once was. To understand the ongoing shift in tech coverage, we need to explore its roots. Continue Reading Read more β€Ί

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Habr
Tr0sT @ Habr Β· 10/09/2020 16:51 EDT

[Translation] Database using ScriptableObjects with save/load system

IntroductionEach game has data that game-designers work with. In RPG there is a database of items, in match-3 β€” the cost in the crystals of tools from the store, in action β€” hit points, for which medical kit heals. There are many ways to store such data β€” someone stores it in tables, in XML or JSON files that edit with their own tools. Unity provides its own way β€”... Read more β€Ί

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Habr
Audioman @ Habr Β· 10/09/2020 15:07 EDT

Π•Ρ‰Π΅ ΠΏΠΎΠ΄Ρ€ΠΎΠ±Π½Π΅Π΅: Π²Π½ΡƒΡ‚Ρ€ΠΈΠΊΠ°Π½Π°Π»ΡŒΠ½Ρ‹Π΅ ΠΈ Π°Ρ€ΠΌΠ°Ρ‚ΡƒΡ€Π½Ρ‹Π΅ Π½Π°ΡƒΡˆΠ½ΠΈΠΊΠΈ Ρ€Π°Π·Π½Ρ‹Ρ… ΠΊΠ°Ρ‚Π΅Π³ΠΎΡ€ΠΈΠΉ β€” ΠΎΠ±Π·ΠΎΡ€Ρ‹ ΠΈ Π³Π°ΠΉΠ΄Ρ‹

БСгодня ΠΌΡ‹ Ρ€Π΅ΡˆΠΈΠ»ΠΈ Π²Π·Π³Π»ΡΠ½ΡƒΡ‚ΡŒ Π½Π° нСсколько популярных ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ Β«Π·Π°Ρ‚Ρ‹Ρ‡Π΅ΠΊΒ» ΠΈ подняли ΠΈΠ·Π±Ρ€Π°Π½Π½Ρ‹Π΅ руководства ΠΏΠΎ Ρ‚Π΅ΠΌΠ΅, плюс β€” нСсколько Π΄Π΅Ρ‚Π°Π»ΡŒΠ½Ρ‹Ρ… Ρ€Π°Π·Π±ΠΎΡ€ΠΎΠ² с большим количСством Ρ„ΠΎΡ‚ΠΎΠ³Ρ€Π°Ρ„ΠΈΠΉ. Π§ΠΈΡ‚Π°Ρ‚ΡŒ Π΄Π°Π»Π΅Π΅ Read more β€Ί

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Habr
olegchir @ Habr Β· 10/09/2020 09:55 EDT

Big Data Tools Update 11 Is Out

EAP 11 of the Big Data Tools plugin for IntelliJ IDEA Ultimate, PyCharm, and DataGrip is available starting today. You can install it from the JetBrains Plugin Repository or inside your IDE.Big Data Tools is a new JetBrains plugin that allows you to connect to Hadoop and Spark clusters and monitor nodes, applications, and jobs. It also brings support for editing and running Zeppelin notebooks inside IntelliJ IDEA and DataGrip,... Read more β€Ί

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Habr
ultral @ Habr Β· 10/09/2020 05:11 EDT

Agreements as Code: how to refactor IaC and save your sanity?

Before we start, I'd like to be on the same page with you. So, could you please answer? How much time will it take to:Create a new environment for testing? Update java & OS in the docker image? Grant access to servers? There is the spoiler from the TechLeadConf. Unfortunately, it's in Russian It will take longer than you expect. I will explain why. Read more β†’ Read more β€Ί

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Habr
quaer @ Habr Β· 10/08/2020 09:18 EDT

Compensation for Error Caused by Limited Gain-Bandwidth of Operational Amplifiers in Low-pass Filters

An operational amplifier has the internal compensation circuit for stability which limits its working bandwidth. Frequency response of the compensated Op Amp has slope of βˆ’6Β dB/octave or βˆ’20Β dB/decade. Unity gain frequency defines the bandwidth where the Op Amp is able to amplify a signal. If we multiply the gain and frequency at any point, the result is the same, allowing us to use this parameter to select the... Read more β€Ί

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Habr
RTteam @ Habr Β· 10/08/2020 07:55 EDT

Π‘Π²ΠΎΠ±ΠΎΠ΄Ρ‹ ΠΈ ограничСния Π΄ΠΈΠ·Π°ΠΉΠ½-систСм

ΠŸΡ€ΠΈΠ²Π΅Ρ‚! ΠœΡ‹ ΠΊΠΎΠΌΠ°Π½Π΄Π° Π΄ΠΈΠ·Π°ΠΉΠ½Π΅Ρ€ΠΎΠ² ΠΈ Ρ€Π°Π·Ρ€Π°Π±ΠΎΡ‚Ρ‡ΠΈΠΊΠΎΠ², ΡΠΎΠ·Π΄Π°ΡŽΡ‰ΠΈΡ… Ρ†ΠΈΡ„Ρ€ΠΎΠ²ΡƒΡŽ Π΄ΠΈΠ·Π°ΠΉΠ½-систСму РостСлСкома. Π—Π°Ρ‡Π΅ΠΌ? Π’ большом энтСрпрайзС мноТСство ΠΏΡ€ΠΎΠ΄ΡƒΠΊΡ‚ΠΎΠ² ΠΈ ΠΏΡ€ΠΎΠ΅ΠΊΡ‚ΠΎΠ², ΠΈ Ρƒ ΠΊΠ°ΠΆΠ΄ΠΎΠ³ΠΎ ΠΈΠ· Π½ΠΈΡ… Π΅ΡΡ‚ΡŒ потрСбности, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ ΠΌΠΎΠΆΠ΅Ρ‚ Π·Π°ΠΊΡ€Ρ‹Ρ‚ΡŒ Π΄ΠΈΠ·Π°ΠΉΠ½-систСма.Когда Π²Ρ‹ Π½Π°Ρ‡ΠΈΠ½Π°Π΅Ρ‚Π΅ ΡΡ‚Ρ€ΠΎΠΈΡ‚ΡŒ Ρ‚Π°ΠΊΡƒΡŽ систСму, Π²Π°ΠΌ каТСтся, Ρ‡Ρ‚ΠΎ ΠΏΠ΅Ρ€Π²ΠΎΠ΅, Ρ‡Ρ‚ΠΎ стоит ΡΠ΄Π΅Π»Π°Ρ‚ΡŒ β€” это ΡΠΏΡ€ΠΎΠ΅ΠΊΡ‚ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ всС Π½ΡƒΠΆΠ½Ρ‹Π΅ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Ρ‹. Π’Ρ‹ ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΡ‚Π΅ исслСдованиС, Π°ΡƒΠ΄ΠΈΡ‚ Ρ‚Π΅ΠΊΡƒΡ‰ΠΈΡ… ΠΏΡ€ΠΎΠ΅ΠΊΡ‚ΠΎΠ² ΠΈ ΠΏΠΎΠ½ΠΈΠΌΠ°Π΅Ρ‚Π΅, Ρ‡Ρ‚ΠΎ Π²ΠΎΡ‚ этот список ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΎΠ² Π²Π°ΠΌ ΠΈ Π½ΡƒΠΆΠ΅Π½, Ρ‚ΠΎ Π΅ΡΡ‚ΡŒ Ρ€Π΅ΡˆΠ°Π΅Ρ‚Π΅ Ρ‚Π΅ΠΊΡƒΡ‰ΠΈΠ΅ Π·Π°Π΄Π°Ρ‡ΠΈ ΠΈ Π½Π΅ΠΌΠ½ΠΎΠ³ΠΎ... Read more β€Ί

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Habr
basiliscos @ Habr Β· 10/08/2020 07:31 EDT

[From sandbox] What's new in rotor v0.09

rotor is a non-intrusive event loop friendly C++ actor micro framework, similar to its elder brothers like caf and sobjectizer. The new release came out under the flag of pluginization, which affects the entire lifetime of an actor. Read more β†’ Read more β€Ί

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Habr
Sneha-321 @ Habr Β· 10/08/2020 06:22 EDT

How Is Flutter Helping Businesses In Getting Feature-Packed App At Affordable Prices

With 2.7 million apps available in Google Play Store and 1.84 Million apps in Apple’s app store, it is clear that mobile app development has become an urgent need of the hour for businesses of all domains.Did you know! According to developer stats, it is predicted that there will be 7 billion million users by 2021 all across the globe.Read more β†’ Read more β€Ί

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Habr
olegchir @ Habr Β· 10/06/2020 07:42 EDT

ZTools for Apache Zeppelin

Zeppelin is a web-based notebook for data engineers that enables data-driven, interactive data analytics with Spark, Scala, and more. The project recently reached version 0.9.0-preview2 and is being actively developed, but there are still many things to be implemented.One such thing is an API for getting comprehensive information about what's going on inside the notebook. There is already an API that completely solves the problems of high-level notebook management, but... Read more β€Ί

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Habr
IchNikola @ Habr Β· 10/06/2020 04:59 EDT

Nullable Reference will not protect you, and here is the proof

Have you ever wanted to get rid of the problem with dereferencing null references? If so, using Nullable Reference types is not your choice. Do you want to know why? This will be our topic today.Read more β†’ Read more β€Ί

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