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Dev
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When to Choose NoSQL over SQL: A Simple Use Case Primer
- NoSQL is preferable for flexible schemas, massive horizontal scale, and unstructured data.
- Relational databases excel at ACID transactions, joins, and mature tooling.
- NoSQL, like document stores, excels in modern workloads, such as IoT telemetry, due to schema flexibility and scaling.
- Choose NoSQL for evolving schema, high-velocity writes, geographically distributed scale, and unstructured data.
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Hackernoon
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The HackerNoon Newsletter: The Startup Playbook Is a Lie. Ask Better Questions. (5/14/2025)
- The HackerNoon Newsletter brings tech news including articles on DNA data privacy, decoding URLs, and cybersecurity threats like Cactus ransomware.
- Top stories highlighted in the newsletter include 'The Startup Playbook Is a Lie. Ask Better Questions' and 'What Happens When Hackers Get Your DNA Data?'
- One article presents a new Chrome extension for decoding dangerous URLs instantly, while another warns about the evolving cyber threat of Cactus ransomware in 2025.
- The newsletter also encourages readers to answer the greatest interview questions of all time to consolidate technical knowledge and establish credibility in the tech community.
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Logrocket
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How to pick your battles as a designer
- Design-led companies like Apple, Airbnb, IBM, and Netflix prioritize weaving design and user experience into every department to drive decision-making.
- Many organizations aspire to be design-led, but in reality, business decisions are often driven by product or engineering teams.
- Designers are sometimes treated as service providers rather than strategic partners, impacting their ability to influence product direction.
- It is essential for designers to strategically choose which battles to fight to maintain resilience and influence in the design process.
- Designers should focus on educating and building trust in small moments, such as when leadership shows interest in design rationale.
- Recognizing when to walk away from organizations that do not value design can be essential for a designer's self-respect and professional growth.
- Assessing an organization's design culture during interviews can help designers identify if design is valued and integrated into decision-making processes.
- Designers should inquire about design involvement in product decisions, leadership's view of design, measuring design impact, and addressing past design challenges during interviews.
- Designers play multiple roles from designing interfaces to advocating for users and leading collaborations, but their full scope of work is often underappreciated.
- It is crucial for designers to help others understand the importance of design thinking and to choose battles wisely to make a meaningful impact within organizations.
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Medium
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Building a Real-Time API Token Leak Detection and Response System Using Python
- API tokens are at risk of exposure through application logs, browser consoles, source code repositories, and error monitoring tools.
- Building a real-time API token leak detection and response system involves scanning log streams, detecting tokens using regex and ML scoring, sending alerts, auto-revoking leaked tokens, maintaining a dashboard, and sending events to various platforms.
- The system can be integrated with Slack, Microsoft Teams, SIEM platforms, and other tools for monitoring and responding to token leaks promptly.
- Implementing this system using Python can enhance security practices and help in safeguarding organizations against financial and reputational damage from data leaks.
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Dev
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How to Detect OS Preferred Color Scheme in JavaScript?
- Detecting the OS's preferred color scheme for dark or light modes is crucial for modern web design, enhancing user experience and readability.
- CSS media queries like prefers-color-scheme can be used to style based on user preferences, adjusting elements for dark or light mode.
- JavaScript can be integrated to detect color scheme preferences using matchMedia method, allowing for dynamic styling changes based on user preference.
- Responsive design considerations and accessibility are essential when implementing dark mode detection to maintain a seamless and inclusive user experience.
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Medium
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RAG Basics in 4 Minutes: From Retrieval to Generation
- RAG comprises two primary components: a retriever and a generator, aimed at retrieving and generating information, respectively.
- External memory sources like databases, conversations history, or internet data are utilized by the retriever to provide relevant information for the generator.
- RAG enhances the model's knowledge by accessing updated information, contributing to contextually relevant responses.
- The success of a RAG system heavily relies on the quality of its retriever, with sparse and dense retrievers being key types that handle data representation differently.
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Medium
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Hear Your Code: A Beginner’s Guide to Text-to-Speech in Python️
- Text-to-Speech (TTS) is a technology that converts written text into audible speech, and with Python, incorporating TTS into your projects is easy, even for beginners.
- TTS is utilized in virtual assistants, accessibility tools, e-learning platforms, navigation systems, and video game characters.
- Python makes it accessible for all developers without requiring an advanced understanding of AI.
- Adding TTS to your Python projects opens up opportunities for various applications like reading aloud quotes, articles, greetings, and more.
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Medium
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JavaScript memory management
- JavaScript memory leaks can cause web apps to slow down, act weird, or crash over time.
- JavaScript is a garbage-collected language that automatically frees up memory not in use through the garbage collector.
- Memory leaks occur when memory that should be cleaned up is still being held onto by the code, leading to performance issues.
- These forgotten bits of memory accumulate over time and can significantly impact the app's performance.
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Medium
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304
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THE IMPORTANCE OF ASYNC PROGRAMMING
- Short runtime is crucial for software programs, especially those working with large datasets.
- Async programming can significantly reduce runtime by allowing threads to perform other tasks while waiting for responses.
- For small datasets, the impact of async programming may not be significant, but for larger datasets, it becomes necessary.
- Async programming overcame the limitation of threads idling while waiting for responses, improving efficiency in handling tasks asynchronously.
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Javacodegeeks
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Spring Boot HashiCorp Vault Reload SSL Certificates Example
- This guide explains how to use Spring Boot HashiCorp Vault to manage and rotate TLS certs securely without app restarts.
- Key concepts involve Spring Boot, HashiCorp Vault, Vault Agent, and SSL certificate reloading for automation.
- Configuration steps include setting up Vault server with PKI secrets engine, configuring Vault Agent, and configuring Spring Boot app.
- By integrating Spring Boot and HashiCorp Vault for SSL certificate management, it enhances security, automates renewal, and avoids application downtime.
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Dev
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Kotlin's Performance and What it Means
- Kotlin, a modern programming language known for its concise syntax and Java interoperability, is examined for its performance compared to other languages.
- In benchmarks, Kotlin JVM consistently ranks lower in performance than other languages, even after enabling compiler optimizations.
- The benchmarks app runs programs simultaneously 25 times to calculate averages and minimum times, revealing Kotlin's slower overall performance.
- Analyzing a Bubble Sort benchmark in Kotlin Native shows decent speed but lags behind in minimum times, indicating room for improvement.
- Decompilation of Kotlin code reveals runtime metadata comparison for type/version correctness, impacting program performance.
- Kotlin's runtime features like metadata comparison and Intrinsics for null safety add overhead, potentially slowing down program execution.
- The analysis suggests that while Kotlin is a promising language, its current performance may need enhancements for higher efficiency.
- Despite the trade-offs for safety and correctness features, Kotlin's performance could see improvements in the future.
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Dev
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Introducing the PullFlow Agent Experience: Streamline Your AI Collaboration
- AI agents are increasingly used in software development to streamline code reviews and developer workflows.
- Key AI agents like CodeRabbit, Greptile, Jolt AI, Entelligence AI, and Copilot are popular for code reviews, technical design assistance, code writing, and real-time code completions.
- Introducing the PullFlow Agent Experience, a centralized system in Slack to manage AI agent notifications and conversations efficiently.
- Features of PullFlow include an Agents Dashboard, Automatic Integration, Granular Notification Control, and Seamless Communication between GitHub and Slack.
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Dev
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My Journey Through `this` in JavaScript: From Confusion to Clarity
- When learning JavaScript, understanding 'this' can be confusing due to its dynamic nature.
- this in JavaScript refers to the execution context of a function, determined by the call site.
- JavaScript has three main execution contexts: Global, Function, and Eval.
- Four primary ways of setting 'this' are Default, Implicit, Explicit, and new Binding.
- Arrow functions in JavaScript do not have their own 'this' and inherit it from the lexical scope.
- Common pitfalls with 'this' include losing context in callbacks and nested functions.
- Understanding 'this' involves recognizing call sites and using tools like arrow functions and bind.
- Practice and experimentation are key to mastering the behavior of 'this' in JavaScript.
- Overall, 'this' in JavaScript is a powerful tool once its behavior is understood and applied correctly.
- To dive deeper into 'this' in JavaScript, resources like MDN and 'You Don’t Know JS: this & Object Prototypes' are recommended.
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Infoq
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145
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Presentation: Ultra-fast In-Memory Database Applications with Java
- The presentation discusses ultra-fast in-memory database processing with Java, showing how to build the fastest database applications by leveraging a framework used by gaming and banking companies for two decades.
- It emphasizes the importance of high performance, low data storage costs, simplicity for developers, and sustainability for organizations in modern applications.
- The speaker, Markus, with over 20 years of Java experience, introduces Eclipse Foundation projects like Jakarta EE, Micronaut, and Helidon before delving into current challenges in database development.
- He highlights issues like slow performance, high cloud costs, complexity, and lack of sustainability in traditional database programming.
- The talk addresses the limitations and challenges of object-relational mapping, impedance mismatches, and the compatibility issues between Java and databases.
- It explores the differences in NoSQL databases and their compatibility with Java, mentioning the need for a new approach to database development for modern applications.
- The alternative solution presented is EclipseStore, a Java-native, in-memory persistence engine that offers ultra-fast data processing, significant cost savings, and environmental benefits by eliminating the need for traditional database servers.
- Markus explains the EclipseStore workflow of seamlessly storing Java objects to disk without the need for object-relational mapping, emphasizing the simplicity and effectiveness of the approach.
- He introduces the Eclipse Serializer at the core of EclipseStore, detailing its persistence engine, handling of concurrency, and compatibility with distributed systems for high-speed data processing.
- The talk concludes by highlighting that EclipseStore, while requiring Java developers to adapt their mindset, provides a comprehensive and efficient approach to building high-performance applications with low latency and cost savings.
- The speaker invites attendees to explore free training resources for EclipseStore and emphasizes its potential as a drop-in replacement for Hibernate, suitable for various applications and enterprise use cases.
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TechCrunch
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Google’s Gemini chatbot can now more easily analyze GitHub projects
- Gemini, Google’s AI-powered chatbot, can now connect to GitHub for users subscribed to the $20-per-month Gemini Advanced plan.
- Gemini Advanced customers can add a public or private codebase on GitHub to allow the chatbot to generate and explain code, debug existing code, and more by directly connecting via the prompt bar.
- AI models, including Google’s, still struggle with coding quality software and may introduce security vulnerabilities and errors due to weaknesses in understanding programming logic.
- The new GitHub integration comes shortly after OpenAI introduced a GitHub connector for ChatGPT deep research, showing AI companies are rapidly adding new capabilities to differentiate their products in the competitive market.
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