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Medium
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352
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What is MCP? A Beginner’s Guide to Smarter AI
- MCP (Machine Common Sense) is a way to make AI smarter and more useful.
- MCP acts as a bridge between AI systems and other tools, apps, or data sources.
- MCP enables AI to connect, fetch information, and perform actions in real time.
- MCP makes AI feel like a helpful teammate rather than just an encyclopedia.
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Medium
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75
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REACT PROJECT SETUP
- vite is a build tool that aims to provide faster and learner development experience for modern web projects.
- NPM, which stands for 'Node Package Manager', is a package manager and software registry primarily used with the node.js runtime environment.
- To set up a React project, you can use the vite tool for basic setup. You can create a folder in your device and open it in the command prompt or create a folder directly in VS Code and open the terminal.
- To create the project dependencies, you can use the command 'npm create vite@latest' in the terminal and follow the setup process.
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Testim.io
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330
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E2E Testing: A Tutorial and Architectural Guide
- End-to-end (E2E) testing validates critical flows in applications like user login requests for front-end and important back-end processes.
- E2E tests are located at the top of the testing pyramid, focusing on high-value paths in applications.
- Different E2E testing strategies include vertical (testing all layers) and horizontal (verifying complete user flows) approaches.
- E2E tests are resource-intensive, so prioritize them for essential application flows like login, registration, cart management, etc.
- Tips for writing E2E tests include focusing on reusable components, testing high-value user flows, and abstracting implementation details.
- Common pitfalls of E2E testing include overly complex tests, difficulty in debugging failures, and time-consuming test maintenance.
- System testing encompasses functional and non-functional validation, while E2E testing primarily focuses on user flow correctness.
- E2E tests are powerful but require effort; reduce maintenance by writing reusable components and leveraging tools like AI for test adaptability.
- E2E tests should be enjoyable to write, cover critical application flows, and use simple, reusable components for better outcomes.
- Written by Michiel Mulders, this tutorial and guide emphasize the importance and strategies of E2E testing for robust applications.
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Medium
4w
423
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Speed up ComfyUI Image and Video generation with TeaCache
- TeaCache is a caching technique that leverages the similarity between input and output of attention blocks in diffusion models, speeding up ComfyUI image and video generation.
- TeaCache, in combination with model compiling, can result in 2.5X to 3X speed improvements in API inference and ComfyUI workloads.
- TeaCache node from the ComfyUI-TeaCache node pack includes parameters like rel_l1_thresh and max_skip_steps to control cache refreshing and generation speed.
- Setting proper values for rel_l1_thresh and max_skip_steps can maintain quality while improving generation speed, but values above certain thresholds may lead to loss of details.
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Medium
4w
294
The Silent Revolution: How Women Are Reshaping the Tech Industry
- Women in tech face challenges such as gender bias, lack of representation, workplace culture issues, and imposter syndrome.
- Despite these obstacles, women are reshaping the tech industry by increasing representation in STEM, leading startups, advocating for change, and building strong communities.
- High-profile women in tech serve as role models, inspiring others to enter and succeed in the industry.
- The future of women in tech looks promising, with more companies investing in diversity programs and opportunities for female talent.
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Medium
4w
267
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25 Bash scripts that every beginner DevOps engineer can use to automate workflows
- 25 Bash scripts that every beginner DevOps engineer can use to automate workflows.
- Alerts if disk usage exceeds 80%.
- Monitors CPU usage.
- Shows memory usage.
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Medium
4w
365
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How Java Manages Thread Synchronization with Locks and Monitors
- Java uses intrinsic locks to manage thread synchronization.
- When a method or code block is marked as synchronized, a thread must acquire the lock for the object before it can run that code.
- The lock prevents other threads from accessing the synchronized code until it is released.
- Java's monitors act as gatekeepers, managing the entry and exit of threads into synchronized regions.
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Medium
4w
432
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This Code Runs in Both Kotlin and Java
- This article discusses how a program can run in both Kotlin and Java using code-smuggling techniques.
- The author uses a unique trick involving Unicode escape sequences in Java to hide executable Java code inside what Kotlin thinks is a comment.
- Kotlin allows nested block comments not permitted in Java, offering a potential way to hide Kotlin code in Java files.
- The author explores using String literals and dollar-interpolation to conceal Kotlin code inside Java files.
- By leveraging text blocks and valid Java statements, the article explains how Kotlin code can be hidden in Java programs.
- These code-smuggling methods enable the creation of polyglot programs that combine Java and Kotlin seamlessly.
- The author provides insights into how to hide and blend code from both languages effectively.
- This technique can be extended to merge any pair of Java and Kotlin programs into a single file.
- The article concludes by challenging readers to find the hidden tricks in the provided polyglot program.
- Overall, the article showcases creative ways to achieve interoperability between Java and Kotlin within a single codebase.
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Javacodegeeks
4w
4
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Deep JVM Observability with eBPF: Beyond Prometheus
- eBPF (extended Berkeley Packet Filter) offers deep observability into system and application behavior without significant overhead, enhancing JVM monitoring beyond tools like Prometheus and JMX.
- eBPF enables monitoring of low-level system calls, JVM internals, real-time insights, and can be used in production environments with minimal disruption.
- Key eBPF tools for JVM monitoring include BCC for efficient kernel tracing, bpftrace for high-level tracing, and eBPF probes for monitoring specific JVM events.
- Steps to leverage eBPF for JVM observability involve setting up eBPF tools, tracing JVM system calls, monitoring garbage collection, analyzing memory allocation, profiling CPU usage, tracing Java method invocations, and visualizing data.
- Benefits of using eBPF for JVM observability include low overhead, granular insights, real-time monitoring, customizability, kernel-level visibility, and no code changes required for monitoring.
- Challenges of using eBPF for JVM observability encompass kernel compatibility issues, security risks, learning curve, tooling maturity, complexity in debugging, and limited Windows support.
- eBPF offers detailed insights into JVM performance, but understanding its benefits and challenges is crucial for integrating it effectively into monitoring and optimization workflows.
- eBPF is a valuable technology for monitoring JVM performance, providing deep visibility and tools like BCC and bpftrace for optimizing and troubleshooting Java applications.
- The article highlights benefits of eBPF such as low overhead, granular insights, real-time monitoring, customizability, kernel-level visibility, and challenges including kernel compatibility, security risks, learning curve, tooling maturity, debugging complexity, and limited Windows support.
- By leveraging eBPF, developers can gain advanced insights into JVM performance metrics and enhance observability of Java applications in complex environments.
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Dev
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414
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Struggling with Your Productivity Stack? Here’s My $0 Solution!
- A solution for simplifying the productivity stack and keeping it under $0 is using a simple Kanban board using GitHub Projects and Markdown + VS Code for notes.
- Integration of all tools into one README dashboard is suggested for those feeling overwhelmed by multiple productivity tools.
- An automation tool is recommended for saving time and effort, with the example provided being a GitHub Issues → Trello Cards automation using JSON code.
- Readers are invited to share their own time-saving automations.
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Medium
4w
348
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Why I’m Loving RooCode more than Manus AI?
- Manus AI, an AI agent, created disruption in the market of automated AI agents.
- RooCode, another AI agent, has been gaining attention as an alternative to Manus AI.
- While Manus AI requires a special code for access, RooCode doesn't have such restrictions.
- Manus AI limits users to only a few tasks per day in its beta phase.
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Dev
4w
276
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Breaking Barriers: My Journey in Tech as an Outsider
- Entering the tech industry as an outsider brought various challenges beyond coding and problem-solving.
- Challenges included imposter syndrome, lack of representation, and limited access to mentorship.
- Triumphs came through seeking community support, embracing open-source contributions, and leading impactful projects.
- Key lessons learned: find your community, overcome imposter syndrome, support others, and embrace the strength of your background.
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Dev
4w
40
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After a Year of Wanting a Typed Rails and Starting Development, I Released a Framework for TypeScript
- Accella is a TypeScript-oriented web framework released in February 2025, following full-stack MVC traditions and providing type safety.
- It integrates Accel Record, an ORM incorporating the Active Record pattern, for enhanced development efficiency in CRUD operations.
- The framework started with a focus on server-side rendering for MPA and a need for a powerful ORM like Rails' Active Record for TypeScript.
- Using Prisma for table definitions and migrations and adopting a synchronous API enhanced the ORM's usability and design.
- Accel Record 1.0 release introduced features inspired by Rails' Active Record, such as validation, transactions, and PostgreSQL support.
- Astro components were utilized for type-safe template rendering in View templates, similar to React or Vue, adding functionalities like Pagination and Forms.
- Contributions to Astro's community were made to enhance template engine capabilities, focusing on the Model being handled by Accella's ORM.
- Accella evolved into a usable framework with features like session management, CSRF protection, and database-driven development setup.
- Version 1.0 release in February 2025 marked the completion of Accella's initial development phase, garnering positive feedback and responses.
- Future developments for Accella include creating libraries for file uploads, seed data management, and internal admin panels, expanding its capabilities.
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Logrocket
4w
240
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A complete guide to TanStack Table (formerly React Table)
- TanStack Table (formerly React Table) is a headless UI for building tables and datagrids across multiple frameworks, offering full control over markup and design.
- In July 2022, TanStack Table was announced, replacing React Table v7 with a TypeScript rewrite for improved performance and expanded framework support.
- TanStack Table UI features include clean, customizable design, remote data fetching, search, filtering, sorting, pagination, editing, fixed headers, and responsive design.
- For those wondering about React table libraries, a comparison with Material UI Table and Material React Table is provided later in the article.
- To migrate to TanStack Table V8, uninstall React Table and install @tanstack/react-table, making minor adjustments to syntax and APIs.
- Starting from scratch, install @tanstack/react-table for building tables in React and utilize the provided Hooks and types for table state management.
- The article also demonstrates setting up a simple table with dummy data using TanStack Table, along with fetching and displaying API data dynamically.
- Custom styling in TanStack Table allows for defining styles per cell, showcasing elements like badges for genres and converting runtime.
- Global and column searching functionality along with sorting and grouping features can be seamlessly added to the table using TanStack Table's API.
- Column resizing capability is supported by TanStack Table, allowing users to adjust column widths for better table viewing experience.
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Medium
4w
40
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Angular Multi-Language Without Libraries: A Custom Pipe with Signals
- This article discusses how to create a custom Pipe in Angular for multi-language support without using external libraries.
- The approach involves storing translations in JSON files within the application and managing language switching using Angular Signals.
- The custom TranslatePipe is created to retrieve the correct translation using a translation service.
- This approach offers scalability, easy maintenance, and high performance without the need for libraries like ngx-translate.
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