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graphql (29) • api (400)
Jul 8 • articles
➤ .NET
File upload in ASP.NET Core 6 – detailed guide
File upload in ASP.NET Core 6 – detailed guide
https://sd.blackball.lv/en/articles/read/19650-file-upload-in-aspnet-core-6-detailed-guide
In this article, let’s learn about how to perform file upload in ASP.NET Core 6. The file for upload can be of any format like image (jpg, BMP, gif, etc), text file, XML file, CSV file, PDF file, etc. We will learn how to design a web page that allows...
Jul 5 • articles
What are large language models (LLMs)?
What are large language models (LLMs)?
https://sd.blackball.lv/en/articles/read/19665-what-are-large-language-models-llms
A large language model is a type of artificial intelligence algorithm that uses deep learning techniques and massively large data sets to understand, summarize, generate and predict new content. The term generative AI also is closely connected with LLMs, which are, in fact, a type of generative AI that has...
Jul 4 • articles
Using SVGs in React
Using SVGs in React
https://sd.blackball.lv/en/articles/read/19648-using-svgs-in-react
Introduction In the world of making websites look good, pictures, especially images, are super important. They make up a big part (60%!) of what you see online, making websites more interesting and helping to share information. Among the many tools that developers use, React SVG stands out. It's like a superhero...
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Jun 28 • articles
➤ Interview Questions
C# async/await interview questions and answers
C# async/await interview questions and answers
https://sd.blackball.lv/en/articles/read/19663-csharp-async-await-interview-questions-and-answers
Are you preparing for an interview that will involve C# asynchronous programming? You’ve come to the right place! This comprehensive article covers a wide range of C# async-await interview questions that will test your understanding of the async-await pattern, along with solutions and examples to help you sharpen your skills. From...
Jun 27 • articles
Caching strategies in .NET Core
Caching strategies in .NET Core
https://sd.blackball.lv/en/articles/read/19640-caching-strategies-in-net-core
Introduction Caching is a technique used to store frequently accessed data in a fast-access storage layer to improve application performance and reduce the load on backend systems. By serving data from the cache, we can avoid expensive database queries or API calls, resulting in faster response times and improved scalability. Problem statement Consider...
Jun 24 • articles
Monitoring and load testing ASP.NET Core application
https://sd.blackball.lv/en/articles/read/19636-monitoring-and-load-testing-aspnet-core-application
As a developer working on your current project, can you answer the following question: can your system at current state handle a new client with x1000 client compared to your existing user base? Will you know that running in production system has performance issues? In this post I’ll describe how you...
Jun 20 • articles
ORM wars: Dapper vs EF Core
ORM wars: Dapper vs EF Core
https://sd.blackball.lv/en/articles/read/19633-orm-wars-dapper-vs-ef-core
Dapper and EF Core are popular .NET libraries for data access and management. Both have strengths and weaknesses, and the choice will depend on the project's specific requirements. In this article, we'll compare Dapper and EF Core in terms of their architecture, performance, and features. Architecture Dapper is a simple and lightweight...
Jun 18 • books
Netty in Action
Netty in Action
https://sd.blackball.lv/en/books/19718-netty-in-action-2016
Netty in Action introduces the Netty framework and shows you how to incorporate it into your Java network applications. You'll learn to write highly scalable applications without the need to dive into the low-level non-blocking APIs at the core of Java. About the Technology Netty is a Java-based networking framework that manages...
Year: 2016  •  Author: Norman Maurer, Marvin Allen Wolfthal  •  Pages: 298  •  Format: PDF  •  Size: 5,34 MB
Jun 14 • articles
➤ Hexagon (Ports and Adapters) Architecture
Hexagonal Architecture - What is it? Why should you use it?
Hexagonal Architecture - What is it? Why should you use it?
https://sd.blackball.lv/en/articles/read/19658-hexagonal-architecture-what-is-it-why-should-you-use-it
In this article, you will learn: What is hexagonal architecture (or “ports & adapters” as this architecture is officially called)? What are the advantages of hexagonal architecture over classical layered architecture? What distinguishes hexagonal architecture from “clean architecture” and “onion architecture”? ...
Jun 14 • articles
Async and Await in JavaScript: A comprehensive guide
Async and Await in JavaScript: A comprehensive guide
https://sd.blackball.lv/en/articles/read/19717-async-and-await-in-javascript-a-comprehensive-guide
Introduction to Async and Await In the world of JavaScript, asynchronous programming is a key concept for performing tasks that take some time to complete, like fetching data from an API or reading a file from the disk. It helps us avoid blocking the main thread, keeping our applications snappy and...
Jun 14 • articles
Using Dependency Injection with HttpClient in C#: A comprehensive guide
Using Dependency Injection with HttpClient in C#: A comprehensive guide
https://sd.blackball.lv/en/articles/read/19714-using-dependency-injection-with-httpclient-in-csharp-a-comprehensive-guide
Dependency injection is a powerful technique in software development that promotes loose coupling between components and improves testability and maintainability. When working with the HttpClient library in C#, integrating it with dependency injection can lead to cleaner and more manageable code. In this article, we will explore how to use...
Jun 3 • articles
Delegates in C#: A comprehensive guide
Delegates in C#: A comprehensive guide
https://sd.blackball.lv/en/articles/read/19562-delegates-in-csharp-a-comprehensive-guide
Introduction Delegates are a fundamental concept in C# that allow you to treat methods as objects. They provide a way to define a type that represents a reference to a method, enabling you to encapsulate and pass around methods as parameters, store them in variables, and invoke them whenever needed. In...
Jun 1 • articles
➤ ASP.NET 8 token authentication for Web API and React with integration testing
Web API and React with Integration Testing (Part 3: React Frontend)
https://sd.blackball.lv/en/articles/read/19705
The final part of our series brings the user interface to life, integrating our secure ASP.NET 8 Web API with a React and Redux frontend. In this article, we’ll cover how to manage authentication states, securely store and handle authentication tokens, and communicate with the backend API from your React...
Jun 1 • articles
➤ ASP.NET 8 token authentication for Web API and React with integration testing
ASP.NET 8 Token Authentication for Web API and React with Integration Testing (Part 2: Integration Test)
https://sd.blackball.lv/en/articles/read/19704
In the second part of our series, the focus shifts towards validating the security and reliability of our ASP.NET 8 Web API through comprehensive integration testing. Integration testing plays a critical role in ensuring that our authentication mechanisms work as intended, under various scenarios and edge cases. We’ll guide you...
Jun 1 • articles
➤ ASP.NET 8 token authentication for Web API and React with integration testing
ASP.NET 8 Token Authentication for Web API and React with Integration Testing (Part 1: API)
https://sd.blackball.lv/en/articles/read/19703
Welcome to the first instalment of our comprehensive guide on securing your web applications with token authentication using ASP.NET Identity in .NET 8. In this part, we delve into the backbone of our authentication system — the Web API. We will walk you through the initial setup of your ASP.NET...
Jun 1 • articles
ASP.NET 8 token authentication for Web API and React with integration testing (0)
ASP.NET 8 token authentication for Web API and React with integration testing (0)
https://sd.blackball.lv/en/articles/19702
Application is built on a clear, modular structure, comprised of four key projects: API, Data, Service, and Web. This structure not only promotes a clean separation of concerns but also ensures a secure, efficient, and user-friendly application....
May 31 • articles
Applicant Tracking Systems: Everything you need to know
Applicant Tracking Systems: Everything you need to know
https://sd.blackball.lv/en/articles/read/19646-applicant-tracking-systems-everything-you-need-to-know
Learn how applicant tracking systems (ATS) work, how they impact your job search, and how to create an ATS-friendly resume that will get you more job interviews. Most companies today, including over 97 percent of Fortune 500 companies, rely on an applicant tracking system, or ATS, to help them hire new...
May 30 • articles
Turbocharging ASP.NET Core applications: A deep dive into performance optimizations
Turbocharging ASP.NET Core applications: A deep dive into performance optimizations
https://sd.blackball.lv/en/articles/read/19547-turbocharging-aspnet-core-applications-a-deep-dive-into-performance-optimizations
Performance is paramount when developing web applications. A slow, unresponsive application results in poor user experience, losing users, and possibly business. For ASP.NET Core developers, there are many techniques and best practices to optimize application performance. Let’s explore some of these approaches in this article. Understanding performance bottlenecks When we talk about...
May 27 • articles
30 вопросов на собеседовании фронтенд разработчика
https://sd.blackball.lv/en/articles/read/19692-30-voprosov-na-sobesedovanii-frontend-razrabotchika
Уверены, что вопросы на собеседовании frontend — настоящая боль? Мы взяли на себя поиск наиболее популярных и дали на них развёрнутые ответы. Казалось бы, вопросы на собеседовании frontend разработчика Junior не должны отличаться от стандартных задачек с IT-сайтов. Даже мы приводили 5 простых тестовых заданий для младшего фронтенд-программиста. Но складывается впечатление, что...
May 24 • articles
The 50 best CI/CD tools all DevOps teams should know in 2024
The 50 best CI/CD tools all DevOps teams should know in 2024
https://sd.blackball.lv/en/articles/read/19645-the-50-best-ci-cd-tools-all-devops-teams-should-know-in-2024
Discover the best CI/CD tools for your stack — including tools to help manage and optimize your continuous integration and delivery pipelines. The modern software development lifecycle comprises two key phases: continuous integration (CI) and continuous delivery or deployment (CD). In both stages, automation reduces manual labor, minimizing human errors. That enables...


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