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Top Open Source Communities you should not miss out in 2025🔥

Kestra is an open-source data orchestration platform that allows users to automate data processes efficiently.
Configu is an application configuration management tool that simplifies defining and maintaining application settings.
Major League Hacking (MLH) is a community-driven student hackathon league designed to empower hackers and foster innovation among students worldwide.
LFX is an innovative platform developed by the Linux Foundation that focuses on enhancing collaboration and sustainability within the open-source community.
Meshery is an open-source, collaborative cloud-native manager designed to simplify the management and orchestration of Kubernetes-based infrastructures.
EddieHub is an open-source community aimed at helping individuals engage with open-source projects and enhance their skills in software development.
The GetPieces community is an open-source initiative designed to enhance developer productivity by providing tools for managing code snippets and facilitating seamless workflows.
Joining these welcoming spaces can be perfect for both beginners and seasoned developers looking to enhance their skills and make meaningful contributions.
MLH empowers students to develop essential skills that will benefit them in their careers and emphasizes its commitment to social responsibility.
Joining these communities can significantly enhance your journey in the tech world, providing various resources for learning, contributing to open-source projects, and building connections with other members.

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Dev

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Javascript - difference between var, let, and const

In the early days, var keyword is used usually to define a variable, but it would bring some troubles, such as variable obfuscation and memory leaks about variable.
Variables defined by var are declared at the top of their scope in advance and assigned the value underfined regardless of where they are declared.
After ES6, let and const keyword appeared while block scope was introduced. Block scope is differentiated by { }, so if, for, while, etc all have their own block scope, but must use let, const keyword declared variables and var hasn't block scope yet.
At the same time, let, const haven't also hoisted-variable as var do.

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Prodevelopertutorial

Tree data structure tutorial 6. Implementation of Binary tree in C++

The binary tree is implemented in C++ programming language.
It includes various operations such as inserting nodes, finding the minimum and maximum values, performing in-order, pre-order, and post-order traversals, calculating the height of the tree, checking if the tree is balanced, deleting the entire tree, and finding a specific key.
The implementation uses a struct Node to represent each node in the tree.
The main function demonstrates the usage of these operations on a sample binary tree.

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Dev

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Introducing Altikrity: A Multi-Layer Encryption Library

Introducing Altikrity: A Multi-Layer Encryption Library
Altikrity is a multi-layer encryption library designed to provide robust protection for Python code.
Key features include multi-layer encryption, easy-to-use API, and secure execution of encrypted code.
Altikrity can be installed using pip and offers examples for encrypting and running encrypted code.

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Dev

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From Open Source to Building Apps: My Journey as a Developer

Dhruv Chheda is a React Native developer and software engineer who shares his journey in web and app development.
Through his blog, Dhruv aims to demystify app and web development, share his open-source journey, showcase projects, and connect with like-minded individuals in the tech industry.
As a fresher in the tech industry, Dhruv is passionate about creating software that solves real-world problems and continuously pushes boundaries in his development process.
His blog offers actionable insights, open-source inspiration, and a sense of community for developers and tech enthusiasts alike.

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Medium

Vercel Next.js Integration

Next.js is a React framework that allows you to build server-side rendered React applications.
Vercel is a cloud platform specializing in hosting serverless functions and static websites.
Integrating Next.js with Vercel brings advantages such as improved performance and custom domain setup.
To integrate Next.js with Vercel, follow the provided steps and utilize their features for efficient web application development and deployment.

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Dev

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Important Topics for Frontend Developers to Master in 2025

Frontend developers need to master various topics to excel in 2025.
Key topics include modern JavaScript (ES6+), component-based frameworks, in-depth knowledge of React, responsive design and CSS frameworks, version control with Git, APIs and data handling, testing and debugging, performance optimization, web security basics, TypeScript, advanced CSS techniques, build tools and CI/CD, real-time communication and WebSockets, and soft skills.
Developers should also focus on practical implementation and building projects to enhance their skills.
Consistency, practice, and staying updated with the latest developments are crucial for staying competitive in the industry.

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Medium

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Laravel Eloquent: Mastering Multiple Relationship Returns

Understanding how to craft efficient queries is essential in Laravel's Eloquent ORM.
Avoid N+1 problem by using eager loading for related data.
Eloquent relationships can lead to performance issues if not handled carefully.
Choosing between Eloquent and raw SQL depends on specific needs, considering factors like performance and security.

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Dev

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Make Your Website Dark Mode Ready in 15 Minutes

With over 80% of users wanting dark mode in apps, there’s never been a better time to implement it in your web application.
Implementing system-level dark mode is easy through a media query called prefers-color-scheme and modern OS already take care of the user's needs.
Most modern browsers support this media query without extra JavaScript or complicated logic.
The quick method involves setting color variables in CSS and it gets automatically switched according to the user’s preferences.
Extra touches like adding smooth transitions, handling images elegantly, and adding manual theme switcher for users can make your dark mode implementation stand out.
A toggle button allows users to override their system preferences and saves their manual preference in localStorage, persisting across page reloads with smooth transitions.
Do the basic implementation, push it and make changes as you go and as people use the site.

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Dev

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🚀 Unlock Free AI and Cloud Skills with Microsoft’s Free Courses

Microsoft has released a treasure trove of free courses that cater to beginners and professionals in AI, cybersecurity, and cloud computing.
The courses include topics such as Azure AI Fundamentals, Designing and Implementing a Microsoft Azure AI Solution, and Microsoft Security Operations Analyst.
These courses provide industry-relevant skills, offer flexibility for self-paced learning, and prepare students for Microsoft certifications.
To get started, visit the Microsoft Learn portal, choose a course, and sign up today.

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Medium

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Earning $497 Daily by Giving Away Freebies

Imagine making hundreds of dollars each day just by giving away free products.
This innovative approach called Effortless Online Profits allows people to earn substantial income without selling or creating products.
By offering high-quality freebies, you can create goodwill and trust, leading to upsells and premium offers.
The system provides various tools and benefits, guaranteeing consistent visitors and a reliable revenue stream.

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Dev

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Identifying Duplicate Elements in Arrays: A Comprehensive Guide for Aspiring Programmers

Understanding how to identify duplicate elements in an array is a fundamental skill for any programmer, especially those preparing for technical interviews with companies like Tata Consultancy Services (TCS).
This guide provides in-depth explanations, practical C# examples, and interview insights on finding duplicate numbers in an array.
Approaches covered include using a HashSet, a Dictionary, and sorting the array.
Mastering these techniques will help aspiring programmers tackle similar challenges in coding interviews.

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Medium

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Mastering Control Flow and Functions in Zig: Your Guide to Smarter, More Efficient Code!

Zig is a modern language providing total control over hardware and memory while maintaining high performance. It supports standard control flow constructs such as if, else, while, for, and switch.
Zig makes installation easy for all platforms. Once installed check with zig version. If you see the version number, congratulations—you’ve installed Zig successfully!
Zig provides clear rules for types: integers, unsigned integers, floats, booleans, and type inference.
Arrays and slices are a group of similar types and collections to work efficiently with data. They store a fixed-size and dynamic size of values of the same type, respectively.
Control Flow constructs such as if, else, while, for, switch are used for decision-making.
Functions are a group of instructions that bundle them in a single entity and can take inputs and return outputs. They are used for reusability, efficiency, and organization.
Pointers, memory allocation on the heap, and error handling using try keyword are the essential memory-management concepts that Zig provides to avoid memory leaks. Zig also ensures that you use valid and secure memory.
With Zig's linking options, you can easily integrate C libraries and WebAssembly by specifying the target, making it versatile across many platforms.
Several resources, like tutorials and a Zig programming course, can help you gain mastery over Zig.
The Zig community is available to help you along your learning journey and can be reached out via Discord, among other platforms.

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Medium

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The Future of Multilingual Programming: Bridging Human and Machine Communication

Multilingual programming aims to make programming accessible to everyone, allowing them to write code in their preferred language.
It promotes inclusivity by enabling people who feel excluded from the tech world to participate and learn programming regardless of their language or background.
AI plays a crucial role in achieving this vision, with tools like GPT showing the potential for natural language coding and context-aware programming.
The goal is to create a future where technology adapts to users, allowing anyone to bring their ideas to life in their own language.

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Medium

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JavaScript or TypeScript: Which Language Will Brighten Your Future in the AI Era?

JavaScript is a versatile language widely used for web development and remains relevant in the AI space.
TypeScript is a superset of JavaScript, known for its static typing and ability to enhance scalability and maintainability.
JavaScript's universal compatibility and active community make it ideal for AI-powered web applications.
TypeScript is favored for complex AI projects, offering error reduction, scalability, and integration with modern tools.

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