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Mastering Airplane Ticket Creation with UniDoc: Join Our Webinar!

Join the exclusive webinar titled “Mastering Airplane Ticket Creation with UniDoc”.
Date: 18th December, Time: 6 PM | GMT, Location: Online (via Microsoft Teams).
Learn how to create professional airplane tickets with UniDoc's document generation tools.
Registration link: https://events.teams.microsoft.com/event/d7c0295c-1afb-4a40-b56a-7d06b1c64d7f@22bb4c1e-6607-4ae3-82bb-4fbca63c02e2

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Dev

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How to Hire Dedicated .NET Developers

Hiring dedicated .NET developers is a strategic decision that can make or break your project.
Dedicated .NET development involves hiring skilled professionals or a team exclusively focused on building, maintaining, or enhancing applications using the .NET framework.
.NET developers are responsible for creating and optimizing server-side logic, application infrastructure, and APIs.
They must master asynchronous programming and multithreading to ensure non-blocking, high-performance applications.
Backend development focuses on creating secure, scalable server-side solutions.
Full-stack roles, frontend responsibilities include building responsive UIs using frameworks like Blazor, Angular, or React.
Thorough testing ensures applications meet quality standards and are bug-free.
Deployment involves transitioning applications to production environments while ensuring stability.
Abto Software offers end-to-end services tailored to your needs if you rely on mission-critical .NET applications requiring regular updates. or plan to modernize older .NET frameworks (e.g., VB.NET) to newer technologies or require expertise for new feature integration or handling high project volumes.
When you hire dedicated .NET developers through Abto Software, you gain access to top-tier talent, streamlined processes, and a commitment to excellence.

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Dev

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Meta-Arguments and Provider in Terraform Day 10

Terraform uses providers to interact with cloud platforms and services.
Provider configuration involves configuring the provider block.
Aliases enable managing multiple provider configurations for different accounts or regions.
Dependency management ensures resources are created or destroyed in the correct order.

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Javacodegeeks

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Managing JWT Refresh Tokens in Spring Security: A Complete Guide

JSON Web Tokens (JWTs) have become a popular choice for implementing stateless authentication, but they lack the ability to be revoked or updated once issued. This is where refresh tokens come in, allowing us to extend the validity of a user session without compromising security.
Refresh tokens are securely stored and used to request new access tokens when the old ones expire. A typical JWT authentication flow with refresh tokens involves user authentication, token storage, access token expiry, and token revocation.
To implement JWT refresh tokens in a Spring Security-based application, we need to configure dependencies, create a token utility class to handle JWT creation and validation, build a REST controller to handle authentication and token renewal, and ensure that refresh tokens are securely stored.
Best practices for implementing JWT refresh tokens include keeping access tokens valid for a short duration, securing token storage, implementing token revocation, using token rotation, monitoring token usage, implementing expiry for refresh tokens, and using HTTPS to encrypt all communication between client and server. By adhering to these best practices, we can significantly improve the security and reliability of our JWT-based authentication system.
By leveraging Spring Security and following the best practices outlined in this article, we can create a secure and scalable authentication mechanism that ensures seamless user sessions while minimizing security risks.

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Dev

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Stay ahead in web development: latest news, tools, and insights #63

weeklyfoo #63 is your weekly digest of all webdev news with 40 valuable links in 7 categories including HTTP Archive’s annual state of the web report, ways to shoot yourself in the foot with healthchecks and JSON5: JSON for Humans.
Other tools and resources featured include Mailroom, Pelias, JSON5, Lingui, Todoctor, and Himalaya. There are also great articles on dithering and retro shading for the web, PostgreSQL and pgvector, and how to Dockerize a React app.

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Medium

106

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How to Set Up a Go Development Environment?

Introduction to Go Development: This section provides an introduction to Go programming language and explains the reasons to choose Go for development.
Prerequisites: This section discusses the prerequisites for setting up a Go development environment.
Installing Go: This section provides step-by-step instructions for downloading and installing Go on various operating systems such as Windows, macOS, and Linux.
Setting Up Your Workspace: This section explains the Go workspace structure, configuring environment variables, and verifying the workspace setup.

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Medium

199

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Frontend Unit Testing Series #3: Writing Unit Tests for a Login Form with Formik and Yup

Forms are one of the most critical parts of any web application.
We’ll be using the following libraries for testing.
Let’s start writing test cases for the form’s basic functionalities.
In this post, we’ve covered how to write unit tests for a login form built with Formik and Yup.

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Medium

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12 Surprising Reasons We Haven’t Discovered Alien Life Yet

The universe we live in may not be the best for supporting life, as there could be multiple universes with different properties.
Alien life may exist in colonies floating freely in space, without a traditional planet.
Subsurface oceans on moons in our solar system, like Europa, could be hiding ideal conditions for alien life.
Super-Earths, planets larger than Earth, could potentially support life but may hinder interstellar travel.

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Logrocket

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Leader Spotlight: Illustrating value and gaining trust, with Jarrad Lokes

Jarrad Lokes, Director of Digital Product Management at Trupanion, discusses building trust in teams and basing manager-employee relationships on a human connection.
To determine where each employee is on their career journey and how they like to work, Lokes asks questions about their preferred communication style, hobbies, and how they like to receive praise or criticism.
Lokes believes that trust and transparency are joined at the hip and that trust is an artifact of the transparency and value that you provide.
Lokes walks through a process he used at a previous role to encourage conversation among stakeholders and illustrates how that transparency led to value and trust.
Lokes simplifies his roadmap back to an enterprise North Star metric and asks how a feature request supports team strategy.
Lokes discusses how product frameworks are based on what the company needs to achieve and how his team used user testing to revolutionize the digital ski rental experience.
Lokes believes in talking to customers as much as possible to challenge assumptions and is a proponent of prototyping and testing new features frequently.
Lokes uses a standardized script with cohort and poke questions to encourage organic conversation in user interviews.
Lokes believes that effective user testing is important because it helps validate assumptions and ensures that the testing results lead to actionable insights.

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Lostmoa

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Noncopyable types in Swift

Swift types are copyable by default, which can result in unintended issues.
Swift 5.9 introduced noncopyable types which guarantees unique ownership of the value and enforces stricter constraints.
Noncopyable types can't be copied and can only be moved. Classes can't be declared noncopyable.
Noncopyable types incorporate borrowing, mutating and consuming methods providing temporary read, write and self ownership mutation access to the instance.
When passing noncopyable types as arguments to functions, Swift requires to specify the ownership model for that function.
Swift allows noncopyable structs and enums to have deinitializers which run automatically at the end of the instance's lifetime.
Swift introduced the discard operator to stop the deinitializer from being called which risks redundant operations in cases where both a consuming method and a deinitializer perform cleanup.
Noncopyable types are invaluable in scenarios where unique ownership is essential, e.g., single-use tokens, cryptographic keys, or database connections.
This article ultimately points to the efficiency in code writing for better system clarity and safety.
Swift provides a powerful tool for ensuring safety and clarity in critical systems as it evolves over the years and focusing on performance and correctness.

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Medium

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Reading Database Credentials From HashiCorp Vault at Application Startup

To read database credentials from HashiCorp Vault at application startup in a Spring Boot application, follow these steps:
1. Set up a Vault server and store the database username and password as secrets.
2. Create a Spring Boot app with PostgreSQL and configure it to read the database credentials from the Vault server at startup time.
3. Install Vault on your machine and start the Vault server with the token value 'root'.

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Dev

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Arrays vs Slices in Go: Understanding the under the hood functioning visually

Arrays in Go consist of contiguous fixed memory, and can not be resized during runtime.
Slices are a flexible data type in Go that handle dynamic data sizes.
Every slice in Go comprises of three critical components: a pointer that points to the data, the capacity, and the length of the slice.
Go's allocation of contiguous memory keeps slice operations fast, with the backing array field utilizing unsafe.Pointer.
A new growth formula was implemented in Go v1.18 that adjusts capacity needs, thus significantly reducing memory wastage.
Go's slices utilize reference semantics, which makes them efficient for performance and memory use. It also allows for multiple slices to reference the same backing array.
Cautions to be mindful of include ensuring that accidental updates do not occur, and avoiding costly append operations.
Arrays are best when you need specific sizes, while slices are best when working with dynamic data, data streams or when processing collections.
To optimize memory use and prevent unexpected mutations, Go creates array copies by default rather than passing them by reference.
Slice growth can create costly operations on the backing array; by pre-allocating capacity, you can pre-empt this process.

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Medium

288

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From Data Engineer to Manager: Lessons in Leadership, Growth, and Shaping a Career in Data…

Management in the tech industry is about building a system that thrives on collaboration, growth, and innovation.
This article provides a roadmap for aspiring Data Engineering Managers.
Building and mentoring high-performing teams is one of the most rewarding aspects of the author's journey.
At Junglee Games, the author grew the Data Engineering team from a handful of members to 35, focusing on long-term investment in the organization.

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Infoq

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Post-Quantum Cryptography in Java

Two new JEPs, 496 and 497, tackle the subject of Post-Quantum Cryptography (PQC) in Java 24.
JEP 496 is a module-lattice-based key encapsulation mechanism, while JEP 497 is a digital signature algorithm.
Current cryptographic protections use problems in discrete maths (such as factorization of large numbers) that are believed to be computationally expensive to perform.
In recent years, computers that take advantage of quantum mechanical behaviour have started to become available.
A future large-scale quantum computer could use new techniques such as Shor's algorithm, to compromise the security of widely-deployed public-key based algorithms.
The ideal cryptographic system uses a key which was exchanged in advance between two parties, by a private channel.
The US government has mandated that computer systems handling sensitive information must be upgraded to use ML-KEM and other forthcoming standards to protect against quantum attacks.
As of 2024, nation-state level attackers could, theoretically, start capturing and storing large volumes of encrypted traffic.
The path ahead is far from clear, and new techniques could accelerate their delivery even faster.
It is necessary for Java to begin supporting post-quantum capabilities in advance of full standardization.

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Medium

407

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AI and Robotics for Kids: Turning Ideas into Innovation

AI and robotics help children build essential skills for the future, making complex concepts approachable.
The mBot is a versatile, beginner-friendly robot that bridges the gap between fun and education, introducing kids to robotics and programming.
Fun projects with the mBot provide hands-on learning and teach key concepts like conditionals, loops, and sensor inputs.
Adding AI to robotics introduces kids to cutting-edge technology and sparks curiosity about how AI shapes the world.

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