Programming Tech Brief By HackerNoon

This story was originally published on HackerNoon at: https://hackernoon.com/fixing-login-failed-errors-when-dockerizing-your-net-app. Fix “Login failed” errors in Dockerized .NET apps by escaping special characters like $ in .env files. Learn the root cause and the right fix. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #dotnet, #docker-dotnet-auth, #docker-environment-variables, #linux-docker-password-issue, #dotnet-connection-string, #docker-login-failed-error, #escape-dollar-sign-docker, #docker-secrets-best-practices, and more. This story was written by: @hack0r66d473bbae74b08c79eb8efe. Learn more about this writer by checking @hack0r66d473bbae74b08c79eb8efe's about page, and for more stories, please visit hackernoon.com. When you Dockerize a .NET app, special characters in passwords — especially the dollar sign ($) — can cause authentication to fail due to Linux-style variable substitution in .env files. This article walks through the root cause, explains how Docker and PowerShell handle escaping differently, and shares best practices for managing credentials safely across platforms. The fix? Escape $ as $$, validate before deployment, and use Docker Secrets in production. A small syntax tweak can save you hours of debugging.

This story was originally published on HackerNoon at: https://hackernoon.com/from-hours-to-minutes-how-dmall-cuts-data-integration-costs-to-13-with-apache-seatunnel. How Dmall cuts their data integration costs by 1/3 and reduces latency from hourly to minute-level with ApacheSeaTunnel？ Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #data-integration, #apache-seatunnel, #real-time-data-platform, #lakehouse-architecture, #cloud-native-data, #big-data-engineering, #storage-computer-seperation, #apache-paimon, and more. This story was written by: @williamguo. Learn more about this writer by checking @williamguo's about page, and for more stories, please visit hackernoon.com. Real-time, lightweight, and open-source future of data integration.

This story was originally published on HackerNoon at: https://hackernoon.com/docker-environment-variables-development-vs-production-made-simple. Managing environment variables across different environments can be tricky. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #docker, #docker-environment, #docker-environment-variables, #docker-development, #docker-production, #docker-development-production, #docker-production-issue, #using-docker, and more. This story was written by: @hack0r66d473bbae74b08c79eb8efe. Learn more about this writer by checking @hack0r66d473bbae74b08c79eb8efe's about page, and for more stories, please visit hackernoon.com. Managing environment variables across different environments can be tricky.

This story was originally published on HackerNoon at: https://hackernoon.com/code-smell-07-avoid-boolean-variables. Avoid Boolean variables, they lead to conditional logic and force you to write Ifs. Create polymorphic states instead Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #programming, #technology, #software-development, #learn-to-code, #code-smells, #clean-code, #refactoring, #boolean-algebra, and more. This story was written by: @mcsee. Learn more about this writer by checking @mcsee's about page, and for more stories, please visit hackernoon.com. Avoid Boolean variables, they lead to conditional logic and force you to write Ifs. Create polymorphic states instead

This story was originally published on HackerNoon at: https://hackernoon.com/why-i-built-a-zig-dotenv-lib. While working on a Zig based CLI argument parser, I found myself creating a dotenv parser as an unexpected side project. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #programming, #zig, #systems-programming, #library, #zig-dotenv, #zig-parser, #zig-cli-tools, #environment-vars, and more. This story was written by: @dayvster. Learn more about this writer by checking @dayvster's about page, and for more stories, please visit hackernoon.com. While working on a Zig based CLI argument parser, I found myself creating a dotenv parser as an unexpected side project.

This story was originally published on HackerNoon at: https://hackernoon.com/the-rust-rewrites-nobody-asked-for. Exploring the trend of rewriting existing software in new programming languages. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #programming, #computer-science, #rust-rewrites, #coreutils-controversy, #gnu-vs-rust, #code-rewrites, #c-vs-rust, #innovation-fatigue, and more. This story was written by: @dayvster. Learn more about this writer by checking @dayvster's about page, and for more stories, please visit hackernoon.com. Exploring the trend of rewriting existing software in new programming languages.

This story was originally published on HackerNoon at: https://hackernoon.com/building-scalable-ros-2-applications-with-microservice-architecture. By lowering latency and resource consumption across platforms, containerization improves autonomous driving systems' performance, isolation, and stability. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #microservice-architecture, #containerization-technology, #autonomous-driving-software, #robot-operating-system, #software-defined-vehicles, #latency-reduction-techniques, #multi-container-deployment, #edge-computing, and more. This story was written by: @containerize. Learn more about this writer by checking @containerize's about page, and for more stories, please visit hackernoon.com. In particular, the ROS 2 and Autoware frameworks are used in this study to illustrate the performance benefits of containerization for autonomous driving applications. According to the results, as compared to bare-metal deployments, containerized systems regularly deliver lower latency, reduced jitter, and enhanced resource efficiency.

This story was originally published on HackerNoon at: https://hackernoon.com/can-docker-keep-up-with-the-speed-of-self-driving-cars. According to experiments, containerized microservices improve resource usage, lower latency, and increase modularity in software for autonomous driving. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #microservice-architecture, #containerization-technology, #autonomous-driving-software, #robot-operating-system, #software-defined-vehicles, #latency-reduction-techniques, #docker-and-kubernetes, #edge-computing, and more. This story was written by: @containerize. Learn more about this writer by checking @containerize's about page, and for more stories, please visit hackernoon.com. In order to improve modularity, scalability, and real-time performance, this study proposes a microservice-based architecture for software-defined autonomous cars that makes use of containerization. The suggested solution, which builds on the ROS 2 framework and Autoware software, separates functional modules like planning, perception, and sensing within lightweight containers that are coordinated by Docker and k3s.

This story was originally published on HackerNoon at: https://hackernoon.com/everything-you-can-expect-with-symfony-74. Symfony’s Core Team crammed this release with big Developer Experience (DX) improvements, sweet performance gains, and vital architecture tweaks. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #symfony, #php, #php-development, #php-web-development, #single-responsibility-principl, #modern, #symfony-7.4, #symfony-7.4-rollout, and more. This story was written by: @mattleads. Learn more about this writer by checking @mattleads's about page, and for more stories, please visit hackernoon.com. Symfony’s Core Team crammed this release with big Developer Experience (DX) improvements, sweet performance gains, and vital architecture tweaks.

This story was originally published on HackerNoon at: https://hackernoon.com/nodejs-vs-go-in-practice-which-performs-better-chaos-proxy-or-chaos-proxy-go. Compare the performance of chaos-proxy in Node.js vs Go for HTTP chaos testing. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #testing, #benchmark, #http-chaos-testing, #node.js-vs-go, #js-runtimes, #chaos-proxy, #node.js-benchmarks, #full-stack-app-testing, and more. This story was written by: @hacker5295744. Learn more about this writer by checking @hacker5295744's about page, and for more stories, please visit hackernoon.com. Compare the performance of chaos-proxy in Node.js vs Go for HTTP chaos testing. See benchmarks, results, and practical advice for choosing the right proxy for resilient full stack app testing.

This story was originally published on HackerNoon at: https://hackernoon.com/the-history-and-future-of-cad-in-engineering. The first CAD hardware system, the Dimension III Systems from Calma, was operable with a keyboard and stylus. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #software, #cad, #solidworks, #business, #technology, #design, #engineering, #history-of-cad, and more. This story was written by: @brianwallace. Learn more about this writer by checking @brianwallace's about page, and for more stories, please visit hackernoon.com. Computer Aided Design (CAD) software was introduced in the 1950’s. The first CAD hardware system, the Dimension III Systems from Calma, was operable with a keyboard and stylus. In 1995, Acer released the Aspire (575LB) with the companion CAD software SOLIDWORKS.

This story was originally published on HackerNoon at: https://hackernoon.com/releasing-my-production-ready-react-hooks-as-open-source. A collection of battle-tested React hooks that I've used in various projects over the years. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #react, #reacthooks, #libraries, #open-source, #npm-package, #open-source-react-hooks, #react-hooks-open-source, #open-source-react, and more. This story was written by: @dayvster. Learn more about this writer by checking @dayvster's about page, and for more stories, please visit hackernoon.com. A collection of battle-tested React hooks that I've used in various projects over the years.

This story was originally published on HackerNoon at: https://hackernoon.com/shrink-your-react-docker-image-by-90percent-with-multi-stage-builds. For a React/Vue application, a typical non-optimized image can balloon to hundreds of megabytes. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #docker, #docker-image, #react, #vue, #devops-docker, #devops, #productivity, #devops-best-practices, and more. This story was written by: @mattleads. Learn more about this writer by checking @mattleads's about page, and for more stories, please visit hackernoon.com. For a React/Vue application, a typical non-optimized image can balloon to hundreds of megabytes.

This story was originally published on HackerNoon at: https://hackernoon.com/9-unusual-mvps-you-can-vibe-code-today. Discover how vibe coding can help you build MVPs with AI, including its benefits and challenges. Get nine unique MVP ideas you can start building right away. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #software-development, #mvp-examples, #ai-assisted-coding, #ai-development, #ai-assisted-development, #ai-assisted-developer, #remote-team-pulse-checker, #y-combinator, and more. This story was written by: @thekonst. Learn more about this writer by checking @thekonst's about page, and for more stories, please visit hackernoon.com. Vibe coding is a way to sketch out product ideas in plain human language. It lets AI handle the technical translation via tools like Cursor, GitHub Copilot, Replit, or Lovable. This method lowers experimentation barriers and speeds up MVP validation.

This story was originally published on HackerNoon at: https://hackernoon.com/the-death-of-the-curious-developer. The shift from curiosity-driven development to metric-focused creation is reshaping the software landscape. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #programming, #discussion, #opinion, #the-curious-dev, #the-curious-developer, #programming-skills, #100x-dev, #10x-developers, and more. This story was written by: @dayvster. Learn more about this writer by checking @dayvster's about page, and for more stories, please visit hackernoon.com. The shift from curiosity-driven development to metric-focused creation is reshaping the software landscape.

This story was originally published on HackerNoon at: https://hackernoon.com/chip-giant-qualcomm-to-buy-arduino-in-big-push-beyond-smartphones. Qualcomm did not disclose the terms of the acquisition. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #open-source, #arduino, #qualcomm, #qualcomm-dragonwing, #qualcomm-acquisition, #qualcomm-arduino, #latest-tech-stories, #latest-tech-reporting, and more. This story was written by: @gedyflowers. Learn more about this writer by checking @gedyflowers's about page, and for more stories, please visit hackernoon.com. Qualcomm did not disclose the terms of the acquisition.

This story was originally published on HackerNoon at: https://hackernoon.com/embracing-the-uncertainty-of-chaos-driven-testing-integration-tests-that-can-destroy-and-rebuild. Learn how to use chaos-driven testing in full stack apps with integration tests that simulate network failures and latency. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #testing, #javascript, #typescript, #integration-tests, #chaos-driven-testing, #unit-tests, #what-are-integration-tests, #hackernoon-top-story, and more. This story was written by: @hacker5295744. Learn more about this writer by checking @hacker5295744's about page, and for more stories, please visit hackernoon.com. Learn how to use chaos-driven testing in full stack apps with integration tests that simulate network failures and latency.

This story was originally published on HackerNoon at: https://hackernoon.com/streamlining-automotive-testing-with-real-time-documentation-kobers-success-story-with-simpleble. Kober Engineering’s experience shows how SimpleBLE can address real-world challenges in automotive testing. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #programming, #kober-engineering, #simpleble, #electronic-control-units, #real-time-audio-logging, #seamless-ble-integration, #c++, #good-company, and more. This story was written by: @californiaopensource. Learn more about this writer by checking @californiaopensource's about page, and for more stories, please visit hackernoon.com. Kober Engineering’s experience shows how SimpleBLE can address real-world challenges in automotive testing.

This story was originally published on HackerNoon at: https://hackernoon.com/the-bit-shift-paradox-how-optimizing-can-make-code-6-slower. Caching bit shifts looks smart but makes code up to 6× slower. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #performance, #coding-challenge, #caching, #bit-shift, #caching-bit-shift, #code-optimization, #python-code-optimization, #cpu-architecture, and more. This story was written by: @ronklein. Learn more about this writer by checking @ronklein's about page, and for more stories, please visit hackernoon.com. Caching bit shifts looks smart but makes code up to 6× slower.

This story was originally published on HackerNoon at: https://hackernoon.com/i-built-with-ai-coding-agents-the-hype-is-dangerous. AI coding agents promise easy development but deliver chaos. Three brutal lessons from building with Claude, Gemini, and ChatGPT that shatter the hype. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #ai-coding, #artificial-intelligence, #software-development, #software-engineering, #software-architecture, #developer-tools, #ai-hype, #programming, and more. This story was written by: @rdondeti. Learn more about this writer by checking @rdondeti's about page, and for more stories, please visit hackernoon.com. Vibe coding with AI agents isn't the shortcut it promises. Version mismatches trap you in loops, hidden architectural decisions create technical debt, and debugging AI-generated code requires translation skills most don't have. AI amplifies engineering discipline—it doesn't replace it.