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Programming News
Medium
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256
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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
1w
0
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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
1w
348
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
1w
214
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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
1w
293
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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
1w
172
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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
1w
8
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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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Dev
1w
407
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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
1w
335
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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
1w
41
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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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Dev
1w
167
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Is JavaScript Object Oriented Programming?
- JavaScript relies heavily on objects, offering an object-oriented structure for coding projects.
- It utilizes prototype chains, constructor functions, and ES6 classes for object-oriented programming.
- Understanding object basics, prototypes, inheritance, ES6 classes, encapsulation, and design patterns in JavaScript.
- Frameworks like React, Angular, and Vue implement OOP principles, aiding in code organization.
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Dev
1w
226
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From Manual to Magic: How I Used Keploy to Test APIs on YouTube and Amazon
- An individual shares their experience of using Keploy, an AI-powered API testing tool, to test APIs on YouTube and Amazon.
- The individual achieved 100% functional coverage of real-world user flows on YouTube and Amazon quickly using Keploy, highlighting the efficiency of AI in API testing.
- Keploy automatically recorded API calls during real user interactions and generated test suites within seconds, eliminating the need for manual test script writing.
- The individual faced challenges with dynamic tokens, authentication, and noise filtering but commended Keploy for its ease of use, quick feedback loops, and increased confidence in test coverage.
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The Crazy Programmer
1w
25
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How Japanese Programmers Are Leveraging MT5 for Advanced Algorithmic Trading
- MetaTrader 5 (MT5) is a popular advanced trading platform utilized by Japanese traders for various assets.
- Japanese programmers leverage MT5's MQL5 programming language with C++ similarity for algorithmic trading.
- MT5's integrated IDE MetaEditor allows seamless coding and testing of strategies within the platform.
- MT5's features like built-in functions, alerts, faster trade execution, and community integration make it optimal for algorithmic trading.
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Medium
1w
125
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Retrieval-Augmented Reasoning: Teaching AI to Think, Not Just Follow
- Initiation story illustrates power of foundational primitives to unlock understanding in different fields.
- Transition from procedural to declarative approach shown in different industries like infrastructure and data science.
- Proposal of creating a constitution for AI agents to guide decision-making process.
- Importance of continuously refining AI judgment through interactions with human mentors highlighted.
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7 Likes
Medium
1w
218
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Sliding Window in Production: From LeetCode to Real-Time Analytics
- The sliding window technique efficiently processes ranges of elements in a sequence without unnecessary repetition.
- The evolution of the sliding window technique from a coding trick to a practical mental model for backend features is discussed.
- Real-world scenarios where sliding window logic is applied in backend systems, such as enforcing API call limits and monitoring metrics over time, are highlighted.
- Sliding window is a versatile technique applicable in both LeetCode problems and real-time analytics for tasks like rate limiting and efficient state management.
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