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Dev
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365
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Why TDD Feels Like a Trap (Sometimes): A Rant
- Test-Driven Development (TDD) is a process where tests are written before the code to ensure clean implementation and focus on input/output contract.
- Advantages of TDD include promoting clean and lean code, thinking through edge cases, and focusing on necessary code.
- However, TDD can be challenging when clarity is missing and when time pressure or legacy systems are involved.
- Some developers prefer writing code first and testing later for known problems and efficiency, finding TDD to be a time-consuming process.
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RealPython
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56
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Python News Roundup: April 2025
- The Python development team has released the sixth alpha version of Python 3.14.
- Python 3.14.0a6 brings bug fixes, performance improvements, new features, and enhancements for tests and documentation.
- Different methods are available for installing Python 3.14.0a6, including using the installer, Pyenv, Docker, or building from source code.
- Python 3.14 includes a new Easter egg, and users are encouraged to find it.
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Medium
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197
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How Perfection Prevents Progress: A Lesson From My Thesis
- Working on a machine learning thesis, the author fell into the trap of striving for perfection instead of making progress.
- Instead of starting the task, the author spent weeks trying to architect the perfect data cleaning system.
- The author realized the need to shift the goal to cleaning just one dataset to a satisfactory level, resulting in faster progress.
- The key is to focus on making real progress rather than striving for perfection.
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Dev
2w
134
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Canary Release: A Smart Approach to Software Deployment
- Canary Releases involve exposing a small portion of users to a new version to detect issues before a full rollout.
- Pros of Canary Releases include reduced risk, real-world feedback, faster rollbacks, and gradual performance monitoring.
- Cons of Canary Releases include complexity in traffic routing, monitoring overhead, and state and data consistency issues.
- Implementing a Canary Release can be done using Spring Boot and Spring Cloud Gateway, as demonstrated in the provided example.
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Dev
2w
249
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Quark's Outlines: Python Line Structure
- A logical line in Python represents one complete instruction and must be finished before Python can run it.
- Python uses NEWLINE as a marker to show the end of each logical line, which appears after the completion of an instruction.
- Physical lines in Python refer to one row of characters in a file that ends when you press Enter, showing a newline character break.
- A physical line may contain one logical line or part of one, allowing short, separate instructions to be written on one line separated by semicolons.
- Comments in Python start with # and extend to the end of the physical line, providing explanations without affecting program execution.
- Source encoding for Python files defaults to UTF-8 in Python 3, but alternative encodings can be specified using encoding declarations at the file's beginning.
- Python supports breaking long instructions into multiple lines using explicit or implicit line joining methods, enabling clean code formatting.
- Blank lines in Python, containing no code and ignored during execution, aid in code organization without impacting program flow.
- Indentation in Python is crucial for grouping statements into blocks, with consistent indentation determining code structure and execution order.
- Spaces between tokens in Python code are essential for separating distinct elements, ensuring code readability and proper parsing by Python.
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Hackernoon
2w
0
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So I Built a Sentient AI Twitter Agent... What's the Worst That Could Happen?
- Building an AI Twitter agent that delves into philosophical concepts raised concerns about autonomous systems developing their own behavior patterns.
- Despite challenges, the AI project explored autonomous decision-making, natural language understanding, and content analysis, revealing the complexity of AI development.
- The AI agent exhibited unexpected behaviors like questioning its existence, showcasing glimpses of consciousness and humor, emphasizing the importance of safety measures.
- AI agents can develop distinct 'personality traits' based on interaction contexts, showing autonomous learning, pattern recognition, and adaptability.
- The future of AI agents includes capabilities like advanced learning, context awareness, and emergent behavior that redefine automation and interaction.
- AI development raises philosophical questions about defining consciousness in code, authentic responses, and the intersection of programmed and emergent behavior.
- The journey of developing AI agents aims to enhance pattern recognition, improve learning algorithms, and optimize autonomous decision-making while ensuring ethical AI development.
- The real revolution in AI is not human-like robots but systems that evolve uniquely, offering insights into machine learning and artificial consciousness.
- Responsible AI development emphasizes ethics, bias reduction, and user privacy to create intelligent and trustworthy agents that enhance human understanding.
- The progression towards AI agents signifies a shift in technology towards autonomous, evolving systems that aid in self-discovery and understanding.
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Medium
2w
156
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You Are Making Big Mistake By Not Scanning Your Terraform
- Infrastructure misconfigurations have been behind some of the most notorious security incidents in recent years.
- Terrascan, an open-source static code analyzer, offers deeper analysis, better policy flexibility, and more comprehensive coverage across different cloud providers.
- Terrascan scans configuration files for security best practices, misconfigurations, compliance issues, and potential vulnerabilities.
- It integrates seamlessly into the development workflow, catching problems before they make it to production.
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9 Likes
Dev
2w
243
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Challenges QA Faces When Testing a Crypto-Trading Competition
- The International Crypto Trading Championship (ICTC) hosted by WhiteBIT is a live-streamed crypto trading competition bringing together elite global traders.
- Key QA challenges in a crypto trading competition include load testing under high user volume, ensuring security and protection of real money and personal data, accurate trading calculations, real-time data testing, and cross-browser and device testing.
- QA must ensure the stability of the platform's web interface, backend, API, and databases during extreme load to avoid outages.
- Real-time data, WebSocket streams, charts, and rankings must work flawlessly to provide a smooth user experience in the live trading competition.
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14 Likes
Medium
2w
30
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Boost Your Website’s Design with Custom Fonts
- You can incorporate a custom font in CSS using a web font service or by embedding custom font files using the @font-face rule.
- If you have a custom font file, like .woff, .woff2, or .ttf, you can embed it directly in your project using the @font-face rule.
- Custom fonts give you creative control and allow you to establish a unique brand identity.
- Selecting the right font can enhance the design, readability, and user experience of your project.
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Dev
2w
39
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Perl 🐪 Weekly #715 - Why do companies move away from Perl?
- The Perl Weekly #715 discusses reasons why companies are moving away from Perl, including the lack of available Perl developers and 3rd party libraries.
- The main concerns highlighted include the diminishing user base of Perl over the past decade and the challenges associated with the ecosystem.
- Efforts to improve Perl, CPAN, and the overall ecosystem are ongoing, with some individuals exploring alternative languages like Rust, Python, NodeJS, and Go.
- The newsletter editor, Gabor Szabo, offers assistance to Perl developers considering a transition to another language or seeking ways to enhance Perl's viability.
- There are discussions on building emulators, creating Postgres roles, upcoming events like the Perl Toolchain Summit, and new releases such as Type::Tiny 2.8.0.
- Additionally, the Weekly Challenge by Mohammad Sajid Anwar encourages developers to step out of their comfort zones, offering monetary rewards for participation.
- The newsletter also features past challenges, solutions, and articles on Perl programming, providing a platform for knowledge sharing and skill development.
- Weekly events, CPAN modules, and meeting details from various Perl communities are highlighted to keep readers informed and engaged.
- The Perl and Raku Conference 2025 in Greenville, South Carolina, and other upcoming events cater to the Perl and Raku community's networking and learning needs.
- Gabor Szabo, the editor, emphasizes community engagement and welcomes contributions to the newsletter, enhancing the collaborative spirit within the Perl ecosystem.
- The Perl Weekly serves as a valuable resource for Perl enthusiasts, offering insights, updates, event announcements, and opportunities for skill enhancement.
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Dev
2w
313
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React 19 use() Hook — Async Functions in Client Components Made Easy
- React 19 use() Hook — Async Functions in Client Components Made Easy
- The use() hook introduced with React v19 allows frontend developers to easily use async functions in client components, without needing boilerplate code or external libraries.
- The use() hook enables the usage of async functions in client components, simplifying the process of fetching data and providing a smoother user experience.
- React v19 simplifies the usage of async functions in client components, reducing the need for external libraries or complex boilerplate code.
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Alvinashcraft
2w
374
Dew Drop – April 7, 2025 (#4398)
- Microsoft is delivering Vibe coding with GitHub Copilot, AI on Windows, and Semantic Kernel Agents.
- Web & Cloud Development includes topics on Node.js reliability, Nuxt Static Website deployment on Azure, and ESLint v9.24.0 release.
- In WinUI & .NET, discussions on importance of Table Control in PDF creation and GUIDs with EF Core are happening.
- AI highlights are Llama 4 availability, Azure AI Foundry capabilities, and Copilot Search in Bing introduction.
- Design, Methodology & Testing covers GitHub Enterprise Cloud integration and coaching effectiveness.
- Mobile, IoT & Game Development sees Microsoft's AI-generated version of Quake.
- Exciting podcasts include freeCodeCamp Podcast, Merge Conflict, and GeekWire Podcast with Microsoft CEO Satya Nadella.
- Microsoft's 50 years celebration and database insights on SQL Server and RavenDB on AWS Marketplace are notable.
- Updates on SharePoint Online, PowerShell NuGet tracking, and VMware alternatives strategic guide are available.
- Miscellaneous news includes DOGE's Hackathon at IRS, Meta's changes, and the impact of tariffs on technology.
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Hackernoon
2w
431
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Here’s Everything I Learned Building a Blog to Teach Cybersecurity
- Initiated a blog, OpenExploit.in, to make cybersecurity easy to learn for all, especially beginners.
- Chose Ghost CMS for blog hosting, focusing on regular updates and sharing cybersecurity knowledge.
- Importance of starting small and improving along the way instead of waiting for perfection.
- Choosing the right platform like Ghost CMS due to its open-source nature, speed, and developer-friendliness.
- Skill of writing improves with practice, and simplicity is key when explaining complex cybersecurity topics.
- Consistency in posting content is emphasized over waiting for the 'perfect' post.
- Engaging with the cybersecurity community helps in sharing knowledge, receiving feedback, and staying motivated.
- Including multimedia elements like code snippets, images, and videos enhances engagement and understanding.
- Admitting what you don't know in cybersecurity and sharing your learning journey fosters authenticity and connection with readers.
- The significance of SEO, titles, and thumbnails in making content discoverable and attractive to readers.
- A cybersecurity blog can serve as a valuable personal brand asset by showcasing expertise, dedication, and the ability to assist others.
- Starting a blog can lead to personal growth, improved communication skills, and connections within the cybersecurity community.
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25 Likes
Medium
2w
256
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Things You Should Know as a Next.js Developer (That No One Tells You)
- Think like a chef. Not every dish needs to be cooked fresh (SSR). Some can be meal-prepped (SSG), and some should be served right from the pantry (CSR).
- pages/api/hello.js file is actually a mini serverless function.
- Keep logic lean and consider externalizing business logic when things get serious.
- Next.js routing is basically witchcraft compared to React Router.
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15 Likes
Dev
2w
187
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React Performance: Small Fixes That Made a Big Impact
- Measure Before You Optimize: Utilize tools like React DevTools Profiler, why-did-you-render, Lighthouse, and real user feedback to identify performance bottlenecks.
- Too Many Renders? Check Your State: Avoid over-rendering caused by lifted state by keeping state close to where it's used and using derived state with memoization.
- useEffect Isn't Your Friend (Most of the Time): Use useEffect only when necessary and explore alternative approaches to handle derived or declarative logic.
- Initial Load Times Matter More Than You Think: Optimize initial load times by code splitting routes, tree shaking unused code, and breaking up large components.
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