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[rant] Rust: The Safety Language That Still Isn’t Safe Enough

Rust, touted as a safer alternative to C, is struggling to meet the needs of safety-critical systems in practice.
Despite its compile-time guarantees and ownership checking, Rust in the embedded world is perceived as a beta test rather than a reliable solution.
Engineers are hesitant to fully adopt Rust for critical systems due to concerns about toolchain certification, reliance on unstable features, and prevalent use of 'unsafe' code.
While Rust shows potential for improvement, it currently functions more as an experimental language rather than a proven solution for mission-critical applications.

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Dev

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From Painful API Testing to AI-Powered Ease with Keploy

API testing can be tedious and time-consuming for backend developers, impacting testing efforts and sometimes leading to skipping tests altogether.
Keploy, an AI-powered tool, offers a solution by automating API testing processes, reducing manual effort and increasing test coverage.
Keploy simplifies API testing with its Chrome Extension, automatically generating test suites from API calls and providing real-time testing capabilities for live APIs like OpenWeatherMap and Reqres.in.
Key benefits of Keploy include significant time savings, reduced human errors, seamless CI/CD integration, and improved confidence in code deployment by enhancing test coverage and collaboration between developers and QA.

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Medium

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6 Underrated Python Libraries That Changed How I Code

Python's built-in logging module has met its match with loguru, offering colorful, timestamped logs with simple one-liners and no setup hassle.
Typer simplifies building command-line tools by instantly converting functions into full-featured CLIs, making code cleaner and more usable.
Pydantic proves invaluable in maintaining clean data models, catching potential errors and saving debugging time with its precise data handling.
Tqdm resolves the ambiguity of script progress with elegant progress bars, adding polish to scripts and being ideal for demos and data pipelines.

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Dev

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Small things do matter

Encountering console warnings can be annoying for developers, even in seemingly simple tasks like using React to fetch and loop over data.
A developer shares their experience with encountering a warning related to rendering a large amount of data on a webpage.
By identifying that rendering the entire dataset was causing a performance issue, the developer implemented a solution to progressively load and display data.
The incident serves as a reminder of how important it is to pay attention to small details to avoid larger issues in web development projects.

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Insider

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Microsoft pushes staff to use internal AI tools more, and may consider this in reviews. 'Using AI is no longer optional.'

Microsoft is evaluating some employees based on their use of internal AI tools like GitHub Copilot.
Julia Liuson, President of Microsoft's Developer Division, emphasized that using AI is now essential in every role.
Competition in the AI coding services market, including GitHub Copilot vs. Cursor, is intensifying.
Microsoft is considering adding a metric for internal AI tool use to employee performance reviews.

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Medium

247

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What Happens When You Use Generics in TypeScript Functions

TypeScript generics allow for flexible code that adapts to different data types.
The compiler handles type tracking, logic checks, and type substitutions during development.
Type parameters act as placeholders and are not stored in JavaScript output.
Generic code must be written without relying on runtime type details for safety.

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Dev

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The Ultimate Guide to Creating Viral AI Vlogs in 2025

AI-generated vlogs are gaining popularity for their visually surreal and creatively scripted content.
Key factors for the viral success of AI vlogs include their novelty, the uncanny valley effect, and engaging narrative flow.
The guide includes setting up a studio, scriptwriting tips, creating perfect prompts for AI vlogs, editing, publishing, and monetization strategies.
Creators are advised to use specific tools, adhere to prompt formulas, and optimize social media posting for maximum engagement and monetization.

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Medium

336

3DOS vs Traditional 3D Printing Marketplaces: Why Web3 is Reshaping Manufacturing.

3DOS is a decentralized, Web3-native manufacturing protocol integrating blockchain, AI, and real-world applications.
Traditional 3D Printing Marketplaces like Shapeways or Treatstock are centralized, leading to high fees, limited control, and lack of transparency for users.
3DOS revolutionizes manufacturing by using blockchain to eliminate middlemen, employing AI and DePIN integration for smarter supply chains, and offering easy onboarding with zkLogin.
It introduces a tokenized economy with $3DOS tokens, providing decentralized infrastructure that empowers local creators worldwide.

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Dev

206

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How to Get Yesterday’s Date in JavaScript

Learn to retrieve yesterday’s date in JavaScript for precise date calculations in apps.
Understand the importance of accurate date computations for logging, analytics, and user interfaces.
Explore strategies with vanilla Date operations and popular libraries for reliable date formatting.

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Dev

283

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Mastering JavaScript forEach: A Developer's Guide

JavaScript's forEach method simplifies looping through arrays with a callback function.
It does not support breaking out early or returning a value like other methods.
Understanding forEach's limitations, callback arguments, and alternatives can enhance coding efficiency.
Tips for optimal performance include minimizing callback work and caching array length.

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Dev

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Understanding JavaScript reduce

JavaScript reduce method transforms arrays into single values by calling a callback on each array item with an accumulator.
The reduce signature includes parameters like accumulator, currentValue, index, array, and initialValue.
Examples include summing numbers, building objects from arrays, and chaining methods like filter, map, and reduce.
Reduce can be used for various tasks like flattening arrays, counting occurrences, and promise chaining in JavaScript.

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Dev

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JavaScript UUID Generator: How to Create Unique Identifiers

Utilize JavaScript UUID generators for unique IDs in web development to prevent collisions.
Understand UUID standards, use modern APIs/libraries to ensure ID uniqueness, enhance data integrity.
Browser and Node.js offer secure random generators for UUIDs, while libraries save time.
Implement v4 UUIDs for most scenarios, prioritize secure randomness, and validate UUID format.
Generating UUIDs simplifies debugging, ensures data integrity, and enables seamless app scaling.

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393

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WARNING: These 6 AI Tools Will Replace 90% of Jobs in 2025 - Use Them Before It's Too Late

Artificial intelligence tools are revolutionizing industries across the board, making tasks easier and more efficient.
Six innovative AI tools are highlighted: Vidu AI for text-to-video production, FishAudio for voice cloning and audio generation, Skywork Super Agents for automated presentation creation, Midscene for open-source AI support for web and mobile apps, Replit AI for app development from prompts, and Suna AI as a personal open-source digital assistant.
These tools offer capabilities like video production, voice cloning, presentation creation, automation of tasks, app development, and digital task automation.
Given the rapid evolution of AI technology, leveraging these tools could be crucial for staying competitive and efficient in various fields.

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Dev

324

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JavaScript Phone Number Formatting: A Comprehensive Guide

Phone numbers play a crucial role in web applications for user sign-ups, contact forms, and two-factor authentication.
Consistent formatting and normalization of phone numbers are essential to prevent validation issues and ensure a polished user experience.
Techniques like cleaning, validating, and formatting phone numbers help prevent database duplicates, simplify comparisons, and ensure consistent display.
Using regex patterns, libraries like libphonenumber-js, real-time formatting on input, and validation practices are key to effective phone number handling in JavaScript.

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Medium

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Enhancing WebClient Performance with Connection Pooling in Spring Boot

Efficient communication between microservices is crucial for high-performance applications.
Spring Boot's WebClient provides a reactive, non-blocking solution for handling HTTP requests.
Without proper setup, WebClient can be a performance bottleneck, especially with high request volumes.
Connection pooling can enhance WebClient performance by reducing the overhead of establishing TCP connections for each request.

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