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Habr
hetmansoftware @ Habr 1 place · 03/18/2021 14:59 EDT

Files Are Gone After Updating Windows 10… How to Recover Them?

Read this article to learn how to recover missing files after updating Windows 10. All possible ways to restore missing documents, photos, music and videos after updating your operating system to the latest version.Read more → Read more ›

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Habr
hetmansoftware @ Habr 2 place · 03/17/2021 15:32 EDT

How to Recover Data from RAID 5, 1, 0 on Linux

In this article, you will find a detailed tutorial on data recovery from RAID 0, 1 or 5. The array we have been testing was built on Linux, and the methods described here will help you recover your files even if one or several disks break down.Read more → Read more ›

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Habr
EuGeniec @ Habr 2 place · 03/16/2021 22:13 EDT

SmartTraits or lets add «multiple inheritance» to C#

One of our clients, a developer who used to work with php technologies for quite some time, frequently complained that with the transition to C# and .Net stack, he misses one of his favorite features from the php world — traits and he would like it very much to be able to use such functionality in .Net. At one point, we decided to make him a present and implemented a... Read more ›

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Habr
XaBoK @ Habr 3 place · 03/16/2021 20:35 EDT

[Translation] Makers and Takers

The step has been made. Not sure where to, but for sure from the point of no return. Keep calm and keep walking. It is about a time to look around and understand the smelly and slippery route before you. And what are those noisy creatures swarming around our fishy “innovative” design we called Mandelbrot blueprint. You don't get a buzzing-noise like that, just buzzing and buzzing, without its meaning... Read more ›

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Habr
hetmansoftware @ Habr · 03/16/2021 16:01 EDT

How to Recover Data From a Hikvision DVR

From this article, you will learn how to recover data from DVR and NVR video recorders. We will explore the peculiarities of how they store video files, why such files can be lost, and how they can be recovered. In the process, we’ll be using a IP network video recorder Hikvision DS-7104NI-Q1/4P.Read more → Read more ›

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Habr
hetmansoftware @ Habr · 03/16/2021 15:52 EDT

Data Recovery from LVM Volumes in Linux

Would you like to know how to use the LVM technology in Linux? How to create an LVM volume, how to configure and mount it in your operating system, how to add and remove disks, and how to recover the information you have accidentally deleted? In today’s article, you will find all of that – and even more.Read more → Read more ›

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Habr
hetmansoftware @ Habr · 03/16/2021 15:35 EDT

How to Make Your Windows 10 Laptop Work Better

Read this article to find out how to get your laptop ready for all kinds of tasks without paying extra. And how to configure Windows 10 in the best way. We will explore how to maintain Windows 10, configure system security and laptop power settings, what software to install and how to connect peripherals. Here is the best all-round guide for you!Read more → Read more ›

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Habr
hetmansoftware @ Habr 1 place · 03/15/2021 10:30 EDT

How to Recover RAID 5 Data from SAN D-Link DSN-1100

This guide will show you how to recover lost data from a NAS storage system, with the example of D-link DSN-1100. Also, it will help you to retrieve information from the hard disks of an inoperable SAN device.Read more → Read more ›

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Habr
hetmansoftware @ Habr 2 place · 03/15/2021 06:25 EDT

How to Create a RAID 5 System With LVM Tool and Recover Data After Failures

In this guide, we’ll explore the methods applied to create a software LVM RAID in Linux. Also, we will show you a simple solution to recover any data lost from an LV RAID 5 system as a result of accidental removal or unexpected drive failure.Read more → Read more ›

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Habr
abondar24 @ Habr 3 place · 03/15/2021 04:44 EDT

A tiny Rate Limiter Library for Spring MVC

In microservice world the problem of high load is exteremely big especially when we have a REST API which is accessed quite extensively. Why do we need throttling? The main answer is to decrease the load of the service at the moment. Different frameworks have different solutions, mostly some additional libraries. Also there is a Guava RateLimiter and Bucket4J . What is interesting Spring MVC being one of the most... Read more ›

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Habr
WhiteBlackGoose @ Habr 3 place · 03/14/2021 06:49 EDT

Compilation of math functions into Linq.Expression

Here I am going to cover my own approach to compilation of mathematical functions into Linq.Expression. What we are going to have implemented at the end:1. Arithmetical operations, trigonometry, and other numerical functions2. Boolean algebra (logic), less/greater and other operators3. Arbitrary types as the function's input, output, and those intermediateHope it's going to be interesting! Read more → Read more ›

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Habr
XaBoK @ Habr 2 place · 03/13/2021 16:53 EDT

[Translation] Architecting Architecture

Architect. This word sounds so mysterious. So mysterious that to understand it you almost forced to add something. Like “System Architect” or “Program Architect”. Such addition does not make clearer, but for sure adds weight to the title. Now you know – that’s some serious guy! I prefer to make undoubtful and around 10 year ago added to my email signature “Enterprise Architect of Information Systems”. It’s a powerful perk.... Read more ›

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Habr
Master255 @ Habr 2 place · 03/12/2021 19:18 EDT

Decentralized Torrent storage in DHT

The DHT system has existed for many years now, and torrents along with it, which we successfully use to get any information we want.Together with this system, there are commands to interact with it. There are not many of them, but only two are needed to create a decentralized database: put and get. This is what will be discussed below... Read more ›

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Habr
IchNikola @ Habr 2 place · 03/12/2021 03:39 EDT

PVS-Studio 7.12 New Features for Finding Safety and Security Threats

Security. What does this word mean to you? Nowadays, companies spare no effort to ensure that their product is secured from hacking and all sorts of information leaks. PVS-Studio decided to help its users and expand the functionality in this area. Therefore, one of the main innovations of the upcoming release will be the introduction of analyzer new features which will ensure code safety and security. This article aims to... Read more ›

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Habr
maximgorbatyuk @ Habr 1 place · 03/10/2021 12:12 EDT

Have we ever been working by the Waterfall?

We work using Agile: Scrum, or Kanban, or any other extended project management way. Agile appeared in 2001 as a result of a long discussion between really smart guys. They just formed best practices of management into the shape of short documents - the Agile Manifesto. But what did they want to replace by the Agile way? Most of you may say that they wanted the Waterfall to go to... Read more ›

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Habr
maximgorbatyuk @ Habr 1 place · 03/09/2021 05:31 EDT

A little life hack when you work with Azure Service Bus and ASP.NET Core

If you work with Azure infrastructure and have to integrate message queues. It sounds quite simple: just create Azure Resource, write some code and then be happy! But what would you say if the resources are limited? What will you do if there are several teammates in your team, and all of you have to debug queues at the same time? I try to give you a simple solution. Read... Read more ›

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Habr
aydu @ Habr 1 place · 03/08/2021 05:21 EDT

Algorithms in Go

Most solutions to algorithmic problems can be grouped into a rather small number of patterns. When we start to solve some problem, we need to think about how we would classify them. For example, can we apply "fast and slow" algorithmic pattern or do we need to use "cyclic sort" pattern? Some of the problems have several solutions with different patterns. In this series, we cover the most popular algorithmic... Read more ›

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Habr
aydu @ Habr 2 place · 03/08/2021 05:02 EDT

Algorithms in Go: Iterative Postorder Traversal

In this article, we discuss the postorder traversal of a binary tree. What does postorder traversal mean? It means that at first, we process the left subtree of the node, then the right subtree of the node, and only after that we process the node itself.Why would we need to do it in this order? This approach solves an entire class of algorithmic problems related to the binary trees. For... Read more ›

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Habr
WhiteBlackGoose @ Habr 3 place · 03/08/2021 02:20 EDT

Lazy Properties Are Good. That Is How You Are to Use Them

Let me also say a word about properties. I'm going to consider a good use of them for immutable records in C#.I am a big fan of code design, so in this article I want to cover existing approaches and show what, I think, is a better solution. ReadMore() → Read more ›

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Habr
SvyatoslavMC @ Habr 1 place · 03/05/2021 00:18 EDT

Short-lived Music or MuseScore Code Analysis

Having only programming background, it is impossible to develop software in some areas. Take the difficulties of medical software development as an example. The same is with music software, which will be discussed in this article. Here you need an advice of subject matter experts. However, it's more expensive for software development. That is why developers sometimes save on code quality. The example of the MuseScore project check, described in... Read more ›

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