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Understanding React's Declarative UI Through a Copy Button Example

Building a simple Copy button to copy text to the clipboard and display a 'Copied!' message briefly before reverting.
Tried implementing the copy button using vanilla JavaScript DOM manipulation instead of React state management.
Realized that directly manipulating the DOM in React is problematic due to React's declarative rendering nature.
Adopted a better approach using useState to manage button text, ensuring proper synchronization between UI and component state in React.

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Medium

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Data Science with Generative Ai Course Hyderabad | Ai Training

Data science is evolving from focusing on prediction to generation, incorporating generative AI models like GPT-4 and DALL·E.
Generative AI training is crucial for modern data scientists to expand skill sets, solve data scarcity issues with synthetic data, create smart applications, and drive innovation.
Courses with generative AI modules provide hands-on experience with tools like OpenAI’s APIs, Hugging Face Transformers, and TensorFlow’s generative modules.
Enrolling in a Data Science with Generative AI Course equips individuals with the skills needed to drive innovation by analyzing and generating data through intelligent systems.

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Dev

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Daily Debug — Day 0: Why I’m Writing This

The individual is building three companies from scratch - WINK Guitar, Citrusworx, and SubLime Studios, with each representing a part of their personal mission.
These companies are not just side projects but core to the individual's goal of creating a fulfilling career grounded in creativity, ownership, and long-term impact.
To stay focused across this broad scope, the individual has started a series called Daily Debug, which serves as a personal changelog to track daily progress, learning experiences, plans for the future, and reflections.
The purpose of Daily Debug is to maintain momentum and emphasizing the importance of consistent daily effort in building something meaningful.

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Dev

364

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Fighting Focus

The author emphasizes the importance of creating his own career as non-negotiable, leading him to start multiple ventures in different fields.
Despite the challenges of finding balance between these projects, the author realizes the necessity of delegating tasks and outsourcing to bring his vision to life.
The author shifts his mindset from waiting to feel 'ready' to learning by building, acknowledging that the world rewards action and not just theoretical preparation.
He is focused on establishing a sustainable rhythm that includes various activities like shipping, writing, collaborating, and rest, in order to build not just products but a life he believes in.

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Dev

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Unit Testing React Hooks with NextJS Back-End: Challenges and Solutions

Unit testing React hooks that interact with a NextJS back-end server presents challenges for developers, especially with no support from Copilot as of Spring 2025.
Developers need to rely on their own expertise and insights to streamline the testing process and avoid excessive resource searching.
To set up a testing environment, developers must customize the server.ts file to handle back-end logic and global data structures for Next.js server pages and route handlers.
During unit testing, a separate server instance is launched before testing the React hook and then shut down upon completion of the test.
Functions like startServer() and stopServer() are used to manage the server instance as a child process for testing purposes.
A test environment is prepared by making health check requests to ensure the server is ready before conducting the unit test for a specific React hook.
Simulated DOM initialization is essential for testing and is achieved by passing the '--import' switch to the tsx utility in the testing command.
By following these steps, developers can effectively test React hooks that interact with a NextJS back-end server while maintaining a controlled and reliable testing environment.

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Dev

391

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20+ VSCode Tricks to Boost Your Productivity Instantly

Using productivity tools and AI wisely can give developers a competitive advantage.
Junior to mid-level developers can benefit from utilizing basic but powerful productivity features.
Must-have VSCode extensions include Error Lens, Auto Close Tags, Bracket Pair Colorizer, and more.
Visual enhancements like Color Highlight and Code Spell Checker enhance code readability.
Smart suggestions and snippets improve coding efficiency with tools like jsDoc and Paste JSON as Code.
VSCode shortcuts such as Ctrl + D, Alt + Click, and Ctrl + Shift + F streamline coding tasks.
Recommended VSCode settings like Minimap for Scrollbar and Format on Save can boost productivity.
Essential shortcuts like Ctrl + B for toggling the sidebar and Ctrl + F for finding in the current file are highlighted.
VSCode transforms into a coding command center when configured optimally, enhancing developers' workflow.
By incorporating extensions, shortcuts, and settings, developers can significantly improve their productivity over time.

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Medium

193

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Communicating Architecture Decisions Effectively

Planning plays a crucial role in software engineering, especially in product-based companies focused on long-term goals and sustainable engineering.
A helpful approach to effectively communicate architectural changes involves comparing current and proposed architectures using clear, visual diagrams.
This method reduces information overload, speeds up architecture reviews, and keeps discussions focused and contextual.
Connecting high-level architectural planning to actionable engineering tasks through concise ADRs and detailed task descriptions helps in ensuring clarity and alignment within the team.

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Dev

377

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Building a smarter Web scraper: Vector embeddings for intelligent content retrieval and analysis

Developer Alex introduces a new Python creation, a full-stack web scraper using FastAPI, PostgreSQL with pgvector, and Playwright for content scraping and similarity search.
The system uses vector embeddings to find related content, providing users with search results based on similarities in content.
The project streamlines content extraction, storage, search, and analysis processes in one cohesive system while respecting robots.txt rules.
Interested users can quickly get started by cloning the GitHub repo and running the API with Docker, enhancing content retrieval and analysis capabilities.

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22 Likes

Medium

108

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AI Can Write SQL — So What Happens to Data Engineers?

AI tools like ChatGPT are becoming proficient at writing SQL queries quickly.
There is a concern among data engineers that AI may replace their jobs due to this capability.
Although AI can write SQL, it cannot replicate the role of a skilled data engineer anytime soon.
SQL is just one aspect of a data engineer's job, and their expertise involves much more than just writing queries.

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Dev

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100 Days of Coding! DAY 1

Anisha, a 3rd year Engineering student, started a 100-day coding challenge on May 31, 2025, to document her coding journey and stay accountable.
She began the day with a productive gym session, worked on Leetcode Dynamic Programming questions using Aditya Verma’s playlist, and revising for her upcoming Compiler end-semester exam on June 2.
Anisha also explored Ruby on Rails using resources from The Odin Project and started working on her portfolio to prepare for an internship starting in mid-June.
By maintaining this digital journal, Anisha aims to stay consistent in her coding journey and overcome Imposter Syndrome, taking one step at a time.

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Medium

139

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The Tower of Babel: When Your Microservices Architecture Has Too Many Languages

The Tower of Babel story serves as a cautionary tale for modern engineering teams about the challenges of maintaining coherence in a complex system.
When microservices architecture uses multiple languages like Python, Go, JavaScript, etc., integration can become difficult due to language barriers.
Hidden costs of using multiple languages include increased operational complexity and maintenance nightmares for different teams.
The breakdown in communication leads to parallel solutions, inconsistencies, and technical debt accumulation in the system.
Fragmentation occurs when different teams implement their own solutions, leading to incompatible components within the system.
Maintaining consistency, limiting technical diversity, and establishing communication standards are key to avoiding a Tower of Babel scenario.
The governance challenge involves enforcing standards and preventing architectural fragmentation in a system.
Complex systems tend towards chaos without deliberate maintenance of architectural coherence.
Using standardized components over optimized ones and prioritizing consistency in distributed systems is crucial for system integrity.
The goal is to build a system that is understandable, maintainable, and evolvable, rather than focusing solely on technical sophistication.

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8 Likes

Medium

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Top 5 Python Mistakes Beginners Should Avoid (From My Personal Experience)

Start solving problems early-on instead of trying to memorize every detail of Python syntax. Use resources like Google and documentation for help.
Jump into using powerful Python libraries early, like Pandas, Numpy, Scikit-Learn, Matplotlib, and Plotly, to save time and increase productivity.
Focus on building projects to apply your learning effectively, as projects are where real learning happens.
Stick to one comprehensive course and documentation rather than switching between multiple tutorials to avoid confusion and stay focused.
Learn the basics of Git even if it seems technical, as it helps in organizing files, tracking changes, and collaborating efficiently.

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Dev

130

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Day 02 - Making My Blog More Modular with CSS & Learning Git Merge

Day 02 of the 'Escape Tutorial Hell' dev journey focused on organizing code, improving version control skills, and exploring the capabilities of browser DevTools.
Activities included adding a new blog post page, creating an external CSS file to clean up styles, styling the navigation bar, learning git merge for code management, and exploring DevTools functionalities like the box model and color picker.
Still working on understanding how to use Svelte for HTML templating and looking for resources and advice on the topic.
Key learnings included the analogy of Git branches as time-travel for code and the realization of the power of DevTools in understanding layout and spacing.

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7 Likes

Medium

296

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Title: Cisco Packet Tracer Recess Week Report

The Cisco Packet Tracer recess week training focused on equipping students with practical skills for Cisco-based networking infrastructure.
The week involved daily sessions covering areas like device configuration, IP addressing, network topology design, routing, and switching fundamentals.
Key activities included network design, IP addressing, device configuration using CLI, routing protocols, troubleshooting, and testing.
The training enhanced practical networking skills, emphasized accuracy in configurations, promoted collaboration among students, and prepared them for certifications and careers in networking.

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Javarevisited

287

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Top 10 Courses to Learn Spring Boot in 2025 for Java Developers - Best of Lot

Resources like books, tutorials, and online courses are available for those interested in learning Spring Boot.
Previous preference for learning from books has shifted towards online courses like Spring Boot 3, Spring 6 & Hibernate for Beginners.
Understanding what Spring Boot is, its benefits, and reasons to learn it are important before delving into Spring Boot courses.
The article also includes mentions of Java, Unix, Tibco RV, and FIX Protocol Tutorial within its content.

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