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Programming News
Medium
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Pods aren’t just containers: deep Kubernetes tricks every DevOps should know
- Pods in Kubernetes offer more than just a container hosting platform, with features like sidecars, init containers, and shared context enhancing functionality.
- Understanding restart policies, probes for liveness and readiness, and balancing them correctly is crucial for maintaining pod health and cluster stability.
- Pod-level patterns like sidecars, ambassadors, and adapters enable cleaner design, separation of concerns, and easy debugging across services.
- Ephemeral containers within Pods allow for on-demand inspection and diagnosis without impacting running containers, aiding in debugging processes.
- Optimizing resource requests and limits within Pods is essential to prevent scheduling issues, evictions, and performance degradation.
- Pod presets and Quality of Service (QoS) classes help standardize resource configurations and prioritize Pods for eviction in case of resource constraints.
- Deployments in Kubernetes manage replica instances of Pods, ensuring high availability and automatic recovery in case of failures.
- Tools like kubectl describe provide insights into Pod failures, aiding in troubleshooting and effective management of Kubernetes resources.
- To excel in DevOps, it's vital to grasp the nuances of Pods, their configurations, and functionalities beyond basic container management.
- By experimenting with these concepts in a test environment, DevOps professionals can enhance their skills and troubleshoot effectively in real-world scenarios.
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Dev
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358
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Daily JavaScript Challenge #JS-189: Group Anagrams
- Today's JavaScript coding challenge is about grouping anagrams
- Objective: Write a function to group anagrams within an array of strings
- An anagram is a word formed by rearranging the letters of another word
- Challenge participants need to create and test their solutions, sharing their approaches in the comments section
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Medium
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107
Enso: Build Smarter Workflows Without Code (And Why Shortcuts Make It Even Better)
- Enso is a visual programming platform that allows users to create, automate, and understand complex logic systems without the need for heavy coding.
- Enso offers a flow-based interface where users connect blocks visually to build workflows, making it intuitive and powerful for beginners, analysts, and developers alike.
- A key feature of Enso is Shortcuts, which enable users to speed up repetitive actions, insert logic patterns quickly, and streamline workflows.
- Enso is revolutionizing automation and workflow building by providing a tool that allows anyone to create powerful solutions without requiring deep technical knowledge.
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Dev
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340
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Clean, Performant, and Testable: Mastering Data Access in Go with Repositories & sqlc (2)
- Part 2 of the series delves into implementing effective repositories in Go and addressing critiques.
- The article covers building a manual Go repository to understand structural benefits and eliminate boilerplate.
- It highlights the advantages of repositories, including enhanced separation of concerns, improved testability, and flexibility.
- Observations reveal challenges like SQL strings in code and error handling complexities in manual implementations.
- The benefits of repositories in Go include clear SoC, streamlined testability, and centralized data access logic.
- Acknowledging downsides like boilerplate code and potential over-abstraction is crucial for balanced perspective.
- Critiques of the Repository Pattern are addressed with a Go-specific response, focusing on practicality and adaptability.
- The article exposes how specific repository methods and optimized SQL queries can enhance performance and maintainability.
- The future path involves leveraging tools like sqlc to revolutionize data access efficiency and maintain architectural benefits.
- Part 3 is anticipated to showcase sqlc's role in transforming Go database development for type-safe, efficient, and maintainable data access.
- Readers are encouraged to share their experiences with data access patterns in Go for community learning and growth.
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Dev
1M
722
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Why Your CI/CD Pipeline Needs SAST, DAST, & SCA (Or Risk Becoming a Hacker’s Playground) 🔒💥
- Building a perfect CI/CD pipeline without SAST, DAST, and SCA can make it vulnerable to hackers.
- Speeding up your pipeline without security measures like SAST, DAST, and SCA can lead to various vulnerabilities in the codebase.
- SAST provides the initial line of defense by identifying vulnerabilities like SQL injections and insecure data handling.
- DAST exposes weaknesses in the running application while SCA focuses on auditing third-party code for known vulnerabilities.
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4 Likes
Medium
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201
What a great day to be alive!
- Sam Altman and Jonny Ive are teasing the launch of their own AI products set to be released in 2026.
- Apple fan eagerly waiting for WWDC 2025 keynote on June 9.
- Google has also revealed its latest AI products.
- Excitement building up in the AI innovation space with new developments.
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12 Likes
Dev
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363
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Why NextJS over ReactJS ?
- Next.js is preferred over React.js for websites due to various advantages it offers.
- Next.js addresses common issues faced with React.js, such as problems with Google search visibility, slow initial loading times, backend requirements, and deployment complexities.
- Key advantages of using Next.js include improved Google search visibility, faster website loading times, smooth navigation within the website, and simplified backend operations through API routes.
- Transitioning from React.js to Next.js is seamless and allows for gradual changes while leveraging existing React knowledge.
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21 Likes
Dev
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373
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My Journey with ASP.NET Core & SQL Server: Lessons Learned
- Yasser Alsousi, a .NET developer, shared lessons learned from his journey with ASP.NET Core and SQL Server.
- Key reasons for choosing ASP.NET Core: cross-platform capabilities, high performance, strong ecosystem, and enterprise-ready features.
- Top 3 beginner tips include mastering C# fundamentals, embracing dependency injection, and following database best practices like starting with SQL Server Express and optimizing with Entity Framework Core.
- Yasser optimized an inventory API from 2s to 200ms response times by adding SQL indexes, implementing caching, and using AsNoTracking() for read-only operations.
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22 Likes
Dev
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581
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Stop the Hack: Why Quick-and-Dirty Development Is Hurting Us All
- Many people favor quick hackers to build products that do not scale, causing technical debt that cripples teams and ruins products.
- The tech industry's reckless 'move fast and break things' mentality leads to brittle systems and difficulty in maintenance or scaling.
- Choosing trendy stacks like Node.js over more robust frameworks like .NET can result in long-term chaos, lost productivity, and unstable systems.
- To ensure sustainable software engineering and avoid technical debt, it is necessary to prioritize quality over speed and demand better practices for long-term success.
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20 Likes
Medium
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367
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How to Deploy an AI Model on a Free VPS with FastAPI + Hugging Face
- This tutorial explains how to deploy a Hugging Face model on a free VPS using Python, FastAPI, and Docker.
- It demonstrates steps to set up an HTTP API to interact with the model in a simplified manner.
- A specific model, TinyLlama/TinyLlama-1.1B-Chat-v1.0, is used in the example for deployment.
- The process involves building the API service, setting parameters, and testing the deployed AI model.
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Dev
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300
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Code Smell 301 - Database as Parameter
- Passing databases as parameters creates accidental coupling between domain logic and data persistence mechanisms, violating separation of concerns and making code harder to test, maintain, and evolve.
- To address this code smell, use dependency injection, avoid using the Repository Pattern, separate business logic from data access concerns, and design for decoupling.
- Examples of problems caused by passing databases as parameters include tight coupling, mixed responsibilities, violation of the Single Responsibility Principle, and blurred layers.
- By refactoring to separate business logic and data access, such as in the 'Right' sample code provided, you can improve maintainability and testability of your code.
- Detection of this code smell can be done semi-automatically by identifying database connections or ORM objects passed as parameters to business methods.
- AI generation tools often introduce this code smell by directly coupling database access with business logic, prioritizing working code over clean architecture.
- AI detection tools can identify this code smell by focusing on the separation of concerns and proper use of dependency injection patterns.
- In conclusion, avoid passing databases as parameters to business objects to keep business logic clean, facilitate testing, and maintain a clear separation between domain and infrastructure concerns.
- Related topics include articles on object keys, mocking business, accidental methods on business objects, and inappropriate intimacy in code design.
- Code smells are subjective opinions, and the article emphasizes breaking down large applications into smaller, testable components for better maintainability.
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Dev
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573
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Top 10 Underrated JavaScript Libraries You Should Explore in 2025
- JavaScript is evolving rapidly with new smaller, smarter libraries emerging alongside giants like React and Vue.
- 10 underrated JavaScript libraries for 2025 include Alpine.js for Vue-like reactivity, SolidJS for faster React-like reactivity, and HTMX for modern interfaces using HTML.
- Other libraries like tRPC for type-safe APIs, Shoelace for customizable UI components, and Qwik for resumable apps with partial hydration are also highlighted.
- The list also includes Zustand for state management, Valibot for validation, Radix UI for building design systems, and Chart.xkcd for humor-infused data visualizations.
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Hackernoon
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197
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Unique Indexes: We Should Think Twice (Especially at Scale)
- In 'Big Tech' environments, relying solely on database UNIQUE INDEX constraints for preventing data duplication may not be as effective, especially in scenarios with large datasets and evolving requirements.
- The cost and maintenance of UNIQUE INDEX constraints can be high, leading to potential issues like replication lag and service disruptions.
- Challenges arise due to case sensitivity discrepancies, evolving business requirements, and the coordination needed between application code and database schema changes.
- Unique indexes offer benefits like data integrity safeguard and potential performance boosts, but they may fall short in complex, fast-paced tech environments.
- In distributed systems, local unique indexes cannot guarantee global uniqueness, shifting the responsibility to the application layer.
- Handling data uniqueness at the application layer provides flexibility, better user experience, and efficient rejection of duplicates before reaching the database.
- Implementing and maintaining UNIQUE INDEXES in large-scale environments can pose challenges, affecting agility, documentation accuracy, and replication consistency.
- Prioritizing application-layer deduplication mechanisms over database unique indexes is recommended for better control, error handling, and adherence to evolving business rules.
- Consider unique indexes as specialized tools rather than standard configurations, and carefully evaluate their necessity in complex and high-volume settings.
- Application-layer uniqueness logic, including idempotency and validation, can significantly enhance data integrity and user experience compared to relying solely on database constraints.
- In conclusion, rethinking the reliance on database UNIQUE INDEXES and exploring alternative approaches for handling data uniqueness can lead to more efficient and robust systems in modern tech environments.
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Johndcook
1M
255
Octonions sometimes associate
- Octonions are formed through the multiplication of 8-tuples, diverging from the properties of commutativity and associativity.
- The subalgebra generated by any two elements of octonions proves to be associative, resembling the real, complex, or quaternion numbers.
- Quaternions and octonions retain properties like a multiplicative inverse and norm coherence, displaying unique algebraic properties.
- Sedenions, resulting from the multiplication of 16-tuples of real numbers, exhibit further loss of structure with non-commutativity, non-associativity, and possible zero products.
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Johndcook
1M
407
Looking for keys under the lamppost
- The article uses the metaphor of looking for keys under a lamppost to explain how people often focus on improving technical skills rather than addressing the actual need in consulting.
- Many individuals with strong technical skills believe that enhancing those skills further will lead to consulting opportunities, while neglecting other essential aspects.
- The author suggests that individuals should focus on improving their strengths rather than obsessing over their weaknesses, unless the weaknesses are the limiting factor hindering progress.
- For instance, if sales skills are what hold someone back in consulting, then it is crucial to work on improving sales abilities rather than excessively focusing on technical expertise.
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