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Habr
Firensis @ Habr 2 place · 03/04/2021 04:04 EDT

What Is yield and How Does It Work in C#?

C# capabilities keep expanding from year to year. New features enrich software development. However, their advantages may not always be so obvious. For example, the good old yield. To some developers, especially beginners, it's like magic - inexplicable, but intriguing. This article shows how yield works and what this peculiar word hides. Have fun reading! Read more Read more

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Habr
WhiteBlackGoose @ Habr 3 place · 03/04/2021 03:48 EDT

[Translation] What's new in AngouriMath 1.2?

After 210 days, 600 commits, tens of debugging nights, and thousands of messages in the project chat, I finally released AngouriMath 1.2.This is an open-source symbolic algebra library for C# and F#, maybe it is interesting for someone? Read more Read more

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Habr
Andrey2008 @ Habr 3 place · 03/03/2021 12:06 EDT

PVS-Studio, Blender: Series of Notes on Advantages of Regular Static Analysis of Code

In our articles, we regularly repeat an important idea: a static analyzer should be used regularly. This helps detect and cheaply fix many errors at the earliest stage. It looks nice in theory. As we know, actions still speak louder than words. Let's look at some recent bugs in new code of the Blender project. Read more → Read more

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Habr
Firensis @ Habr 1 place · 03/02/2021 09:30 EDT

PVS-Studio Clashes with Hardcoded Passwords

PVS-Studio is a static analyzer that allows to find many problems hidden in the source code. Among them there are also errors related to application security. For example, the analyzer has recently learned to identify the presence of confidential data such as passwords in the code. The OWASP Top Ten list includes this potential vulnerability. It is much more dangerous than it may seem at first glance. What makes it... Read more

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Habr
olesyatsareva15 @ Habr 2 place · 03/01/2021 23:09 EDT

Бережливый стартап или как мы используем концепцию Lean Startup в своих проектах

Создание чего-то нового — дело всегда рискованное. Как и многие люди до вас, вы пишете бизнес-план, предлагаете его инвесторам (либо роетесь в собственном кошельке), набираете людей, начинаете разрабатывать продукт, тратите тысячи человеко-часов. А потом, спустя месяцы разработки (а иногда и годы) получается, что вы всё это время усиленно делали продукт, который никому не нужен. Вот вообще. А деньги и время уже потратили. Как понять, что ваш продукт не будет успешен,... Read more

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Habr
Blazkowicz @ Habr 3 place · 03/01/2021 13:22 EDT

[Translation] Отслеживание лиц в реальном времени в браузере с использованием TensorFlow.js. Часть 1

Такие приложения, как Snapchat, предлагают удивительное разнообразие фильтров для лиц и объективов, которые позволяют накладывать интересные эффекты на фотографии и видео. Если вы когда-либо дарили себе виртуальные собачьи уши или праздничную шляпу, вы знаете, насколько это может быть весело! Задумывались ли вы о возможности создания таких фильтров с нуля? Что ж, теперь у вас есть возможность научиться всему, используя только веб-браузер! В этой серии статей мы узнаем, как создавать в... Read more

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Habr
dmitrykabanov @ Habr 1 place · 02/28/2021 14:26 EDT

List your startup for free: a guide to Startup Digest

Techstars Startup Digest was designed as a discovery tool for entrepreneurs looking for tech events in their area. It was founded in 2009 by Chris McCann who just moved to the Valley. He created an old-school newsletter, featuring promising events in the Bay Area. There was no website, all the events were hand-picked by Chris himself, and the newsletter had 22 subscribers. People liked the idea and that number quickly... Read more

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Habr
diversenok @ Habr 2 place · 02/28/2021 09:15 EDT

Intercepting Program Startup on Windows and Trying to Not Mess Things Up

Have you ever heard of Image File Execution Options (IFEO)? It is a registry key under HKEY_LOCAL_MACHINE that controls things like Global Flags and Mitigation Policies on a per-process basis. One of its features that drew my attention is a mechanism designed to help developers debug multi-process applications. Imagine a scenario where some program creates a child process that crashes immediately. In case you cannot launch this child manually (that... Read more

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Habr
32bit_me @ Habr 3 place · 02/28/2021 07:20 EDT

[Translation] Реальная история разработки Commodore C128

The most popular computer ever sold to-date, the Commodore C-64, sold 27 Million units total back in the 1980’s.  Little is left to show of those times, the 8-bit “retro” years when a young long-haired self-taught engineer could, through sheer chance and a fair amount of determination, sit down and design a computer from scratch using a mechanical pencil, a pile of data books, and a lot of paper. Читать... Read more

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Habr
setnemo @ Habr 1 place · 02/27/2021 19:11 EDT

Введение в метрики для PHP разработчика

Если вы php разработчик и слышали про метрики, но не знаете с чего начать - эта статья для вас. Я подготовил тестовый реопзиторий, который поможет вам начать работать с метрики, строить графики, настраивать оповещения. Если все это у вас отликается, то добро пожаловать под кат. Читать далее Read more

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Habr
Jessy_James @ Habr · 02/27/2021 12:02 EDT

[Translation] HDB++ TANGO Archiving System

What is HDB++?This is a TANGO archiving system, allows you to save data received from devices in the TANGO system.Working with Linux will be described here (TangoBox 9.3 on base Ubuntu 18.04), this is a ready-made system where everything is configured.What is the article about?System architecture. How to set up archiving. It took me ~ 2 weeks to understand the architecture and write my own scripts for python for this... Read more

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Habr
silaev_ka @ Habr 2 place · 02/26/2021 12:18 EDT

Run MongoDB Atlas locally for testing

What happens to your MongoDB replica set when it comes to failures like network partitioning, restarting, reconfiguration of the existing topology, etc.? This question is especially important these days because of the popularity gained by the multi-cloud model where chances of these scenarios are quite realistic.However, is there a solution, preferably a free one, for testing such cases that would obviate the need of writing manual scripts and poring over... Read more

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Habr
chdan @ Habr 1 place · 02/25/2021 11:35 EDT

Chatbox on Top of SIEM Solution

One of the most time-consuming steps while implementing a SIEM solution is writing and tuning "Playbook" – a set of reaction procedures SOC Team has to follow in case of alert triggering.So during one of our projects we stoped for a moment and thought: "How can we optimize (ideally automate) the Playbook?" Read more Read more

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Habr
featured @ Habr 2 place · 02/25/2021 06:11 EDT

Что вам нужно знать, если вы поменяете nginx на envoy: впечатления спустя два года

Мы используем envoy как front edge proxy, который перенаправляет входящий трафик в несколько кластеров kubernetes (для новых сервисов) и в бэкенды legacy-архитектуры исторического наследия. Т.е. там сочетаются функции как обычного балансировщика и ssl termination point, так и api gateway. До envoy у нас там был nginx, как и у многих. Классный софт, мне нравится. Вся история с envoy началась в тот момент, когда начались микросервисы в большом количестве и даже... Read more

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Habr
Stolyarrr @ Habr 1 place · 02/24/2021 02:31 EDT

Free Heroes of Might and Magic II: Open-Source Project that You Want to Be Part of

Recently we found out that the new version of the fheroes2 project was released. In our company there are many fans of Heroes of Might and Magic game series. So, we couldn't pass it up and checked the project by PVS-Studio. Читать далее Read more

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Habr
Boozlachu @ Habr 2 place · 02/24/2021 01:28 EDT

Creating and using your own deb repository (not mirroring)

Tested on the following configuration:Server: ubuntu 20.04Clients: ubuntu 16.04, 18.04, 20.04It doesn’t require a lot of software to create it. Читать далее Read more

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Habr
programmersio @ Habr 3 place · 02/23/2021 11:03 EDT

.Net Development Platform Features

Here are top 8 things you should know about .Net Development before you hire expert .Net developers for your project.Novices and entrepreneurs should realize that from a straightforward design, .Net system has advanced to a total environment offering help and improvement procedures for a wide range of users novices and entrepreneurs should realize that from a straightforward design, .Net system has advanced to a total environment offering help and improvement... Read more

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Habr
tnt4brain @ Habr 1 place · 02/22/2021 08:42 EDT

[Translation] Improving Ansible

Let's once again improve Ansible. Well, this won't work without getting into sources. Take the action Read more

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Habr
aydu @ Habr 2 place · 02/22/2021 03:58 EDT

Algorithms in Go: Matrix Spiral

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 slowalgorithmic pattern or do we need to use cyclic sortpattern? Some of the problems have several solutions with different patterns. In this article of series Algorithms in Go we consider an... Read more

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Habr
serenaryder @ Habr 1 place · 02/21/2021 08:53 EDT

Top 7 Technology Trends to Look out for in 2021

Technology is as adaptable and compatible as mankind; it finds its way through problems and situations. 2020 was one such package of uncertain events that forced businesses to adapt to digital transformation, even to an extent where many companies started to consider the remote work culture to be a beneficiary long-term model. Technological advancements like Hyper automation, AI Security, and Distributed cloud showed how any people-centric idea could rule the... Read more

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