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History of JavaScript: The Big Picture

JavaScript was created in just 10 days by Brendan Eich at Netscape Communications in 1995, initially called Mocha and later renamed to JavaScript.
JavaScript was standardized as ECMAScript (ES) with the first version, ES1, released in 1997 to ensure consistency across different browsers.
During the early 2000s, JavaScript faced inconsistencies due to different versions in different browsers, which led to the introduction of jQuery to improve compatibility.
ECMAScript 6 (ES6) in 2015 brought significant improvements and features such as let/const, arrow functions, template literals, and modules, making JavaScript more powerful and developer-friendly.

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Medium

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Fire and Forget with Kotlin Coroutines

To run a suspending function as a background task, you can launch it as a new coroutine with a coroutine scope.
The coroutineScope function waits for all its child coroutines to complete before returning.
For running a suspending function in the background without waiting, you need to identify an alternative owner for the task.
Sending tasks to a coroutine scope that matches their intended lifecycle ensures proper handling of errors and resource release.

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Arrays: Reduce - Make Something

The .reduce() method in JavaScript is used for transforming a set of data into a different form, such as an object or sum.
It involves a reducer function that accumulates the end result during iterations, with an optional initial value.
The .reduce() function allows for various transformations like summing up numbers in an array and compounding values.
Creating objects from arrays using .reduce() is straightforward but can have performance impacts if not handled efficiently.
Special examples show that .reduce() can replicate other array methods like filter, some, and every.
In state changes scenarios like Redux, .reduce() can be used to accumulate actions and update state accordingly.
Flow functions demonstrate how .reduce() can be used to run a series of functions in a specific order.
For asynchronous operations, .reduce() can be applied to promises to execute a sequence of operations.
Overall, .reduce() is a versatile array method for data transformation, actions accumulation, and function composition.
It offers flexibility in handling arrays but may not always be the most efficient method for all use cases.

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The Bug That Almost Made It to Production

A junior developer at a retail company was assigned the task of deprecating an unused field from an internal REST API.
While cleaning up the code, the developer mistakenly made a subtle change in function spelling which went unnoticed in the code review.
Another team had an end-to-end test for a specific product that failed intermittently, and the test was disabled to avoid blocking a production release.
After investigating the issue, the bug was traced back to the refactoring mistake, which could have prevented customers from placing orders for best-selling products.

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Logrocket

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What is pair programming – and should you try it?

Pair programming is a collaborative software development approach where two programmers work together on the same task, with one as the driver writing the code and the other as the navigator providing guidance.
Shorter, time-boxed pair programming sessions often yield better results than long exhaustive ones, offering benefits like improved problem-solving, enhanced knowledge sharing, and cleaner code.
Pair programming fosters collaboration and teamwork by bridging gaps in distributed teams, allowing comfortable knowledge sharing and task accomplishment.
Creating a safe and comfortable environment is crucial for effective pair programming, where individuals feel heard, valued, and empowered to contribute.
Mob programming, involving an entire team working together on a task, is a related approach that can be effective but might become unruly with larger teams.
Pair programming sessions can help fill knowledge gaps, improve skills outside of individual expertise, and make tasks more enjoyable and effective for teams.
Establishing clear roles, structuring sessions strategically, using appropriate tools, and maintaining a safe space are essential best practices for successful pair programming.
Regularly changing roles during pair programming, monitoring team energy levels, and fostering a supportive environment are key to maximizing productivity and success.
Pair programming not only enhances productivity and code quality but also makes work more enjoyable and helps teams grow and improve.
Ultimately, trying out pair programming can lead to increased productivity, improved teamwork, and a more enjoyable work environment for development teams.

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Dev

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Using RabbitMQ with Node.js: A Complete Guide

RabbitMQ is a powerful message broker that enables asynchronous communication between different parts of an application.
In this guide, we will explore how to integrate RabbitMQ with Node.js, covering installation, setup, and a working example.
The guide covers the installation of RabbitMQ on different operating systems such as macOS, Ubuntu/Debian, and Windows.
The guide provides a basic example of setting up a producer and consumer in Node.js to send and receive messages through RabbitMQ.

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Dev

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Top 10 High-Paying Tech Jobs in 2025 – Are You Ready?

AI & Machine Learning Engineer: Average Salary - $120K - $200K. Skills Required: Python, R, TensorFlow, PyTorch. Career Path: Learn AI/ML, work on real-world projects, get a job in AI research or automation.
Data Scientist: Average Salary - $110K - $180K. Skills Required: Python, SQL, R. Career Path: Earn a degree or certification in data science, gain hands-on experience, work in finance or healthcare.
Cloud Architect: Average Salary - $130K - $210K. Skills Required: AWS, Azure, Google Cloud. Career Path: Get certified, work on cloud deployment projects, join IT teams in cloud security or DevOps.
Cybersecurity Expert: Average Salary - $100K - $180K. Skills Required: Ethical Hacking, Network Security, Compliance. Career Path: Earn certifications, gain hands-on experience in ethical hacking, work in finance or government.

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Robotsblog

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Creativity in motion: The modular robot Otto from HP Robots

The HP Robots Otto is a versatile, modular robot designed for educational purposes, promoting robotics, 3D printing, electronics, and programming.
Otto's modular design allows students to build, program, and customize it, enhancing creativity and technology understanding.
It supports various programming languages like block-based programming, Python, and C++, enabling students to enhance their coding skills.
Equipped with sensors like ultrasonic and line tracking, Otto offers interactive functionalities for tasks like navigation and line tracing.
Students can 3D print and customize Otto's outer parts, promoting technical understanding and artistic skills.
Otto is suitable for students aged 8 and above, providing all the components needed to build a functional robot.
Programming Otto is done through a web-based platform supporting block-based, Python, and C++ programming environments.
Expansion kits like Emote, Sense, Interact, and Invent offer additional functionalities for creative projects and environmental interaction.
Curricula, project ideas, and materials provided with Otto support effective STEM lessons for both classroom and home use.
HP Robots Otto is praised for fostering technical understanding and creativity, offering a comprehensive platform for students in the world of technology.

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Dev

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The Feynman Technique - Explaining Code Quality to My 10-Year-Old Self

The Feynman Technique, developed by Nobel Prize-winning physicist Richard Feynman, breaks down complex ideas by explaining them in plain language.
Code quality is based on three main pillars: complexity, errors, and readability.
Complexity measures the intricate logic in code, while errors include syntax errors, logical errors, runtime errors, and time limit exceeded issues.
Readability focuses on the ease of understanding by others, which includes factors like naming, formatting, structure, and comments.

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Dev

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How Java Virtual Threads Work?

Virtual Threads are lightweight threads introduced in Java 19 (Preview) and Java 21 (Stable).
Virtual Threads do not map 1:1 to OS Threads and do not replace the original Platform Threads.
Virtual Threads run on top of Platform Threads. The JVM schedules them onto a small number of Platform Threads.
If the Virtual Thread performs a blocking operation, the JVM unmounts it from the Platform Thread, freeing it up for other Virtual Threads.

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The Rise of Low-Code/No-Code Platforms in Web Development

Low-code/no-code platforms are revolutionizing web application development by enabling users to create sophisticated apps without extensive coding.
Low-code platforms require minimal coding and offer visual interfaces for drag-and-drop development, while no-code platforms enable non-developers to create apps without programming knowledge.
These platforms accelerate time-to-market by simplifying the development process and reducing the need for extensive coding.
They are cost-effective, democratize web development, empower citizen developers, and facilitate collaboration between developers and non-developers.
Low-code/no-code platforms support rapid prototyping, scalability, integration with third-party services, and offer flexibility for customization.
Popular platforms in this space include Bubble, OutSystems, Webflow, Zapier, and AppGyver, catering to various development needs.
Challenges include limited customization, scalability limitations, and potential vendor lock-in due to proprietary systems.
Overall, low-code/no-code platforms are transforming the web app development landscape, empowering businesses to innovate and launch applications efficiently.
As technology advances, these platforms are expected to become more powerful and integrated, offering a promising future for digital innovation.

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Dev

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😶‍🌫️ Blurry UX Wins? + CSS’s Border Magic

This week's Unicorn Club newsletter covers a variety of topics including CSS puzzles, UX insights, and design innovations.
CSS discussions range from inline background overlaps to the often overlooked border-image tool.
A surprising A/B test result showed that having a blurry background led to 94% more conversions.
The integration of AI in UX design is rapidly changing the role of UX professionals.
CSS methodologies and tools like border-image are explored, hinting at their underutilized potential.
Dev tip: Utilize document.designMode for convenient browser tricks during development.
Switzerland's new passport design is highlighted for its aesthetic appeal and innovative design approach.
The newsletter also features upcoming events, classifieds, and advice for design and development professionals.
Readers are encouraged to subscribe for early access and exclusive content in the Unicorn Club newsletter.
Overall, the newsletter provides a mix of informative content suited for front-end developers and UX/UI designers.

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Dev

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What are top companies really asking in React interviews?

This book provides a roadmap to excel in React.js 19 interviews.
Based on 350+ real-world front-end interviews, it offers relevant technical questions asked by top companies.
The book covers core React concepts, hooks, performance optimization, component design, forms and event handling, styling techniques, routing, error handling, and global state management.
It caters to both beginner and intermediate developers, helping them build a strong foundation or deepen their knowledge.

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Javacodegeeks

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[FREE EBOOKS] Artificial Intelligence for Cybersecurity & Five More Best Selling Titles

Artificial Intelligence for Cybersecurity offers data analytics methods for recognizing patterns, applying to authentication and cyberattack detection, and discussing AI methods' design and implementation for cybersecurity projects.
The ChatGPT Prompts Book focuses on crafting precision prompts and exploring AI writing techniques, guiding users through prompt writing, priming strategies, and practical applications of ChatGPT.
The New Rules of Marketing & PR, 9th Edition, introduces updated strategies using generative AI like ChatGPT to reach buyers directly, offering insights into effective public relations, marketing, and customer communications.
Creating a Business Plan For Dummies guides readers in creating sound business plans with AI tools, covering strategic advantages, financial forecasting, risk evaluation, and smart business modeling.
The Contemporary Leader emphasizes inclusiveness in successful leadership, showcasing strategies for becoming inclusive leaders through respect, value, diversity, team differences recognition, and effective practice abilities.
How to Move Up When the Only Way Is Down explores lessons from AI for overcoming personal or professional challenges, including identifying Local Maximums, building decision-making skills, and applying AI strategies in complex situations.

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Medium

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How to reduce stress and anxiety in Daily life

Stress is a natural, human response to difficult or uncontrollable situations.
Many different situations cause stress, which can vary depending on age.
Understanding the signs of stress and its impact is crucial for proactive management.
Reducing stress and anxiety requires practical strategies, self-care, and seeking support when needed.

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