OpenCms Days 2014 - Enhancing OpenCms front end development with Sass and Grunt
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Presentation from OpenCms Days 2014. The rapid growth of internet access from mobile devices, together with the introduction of HTML5 and CSS3, has led to a number of complications in the development and maintenance of websites: responsive web design, delivering images for high pixel density displays, and compatibility of the new standards with older browsers still in use. Fortunately, there are tons of frameworks, libraries, JavaScript, CSS preprocessors and polyfill techniques that help the web developer, but their proliferation in a project can be confusing; it is then essential to create a structured workflow to integrate and automate all processes and controls, particularly in a teamwork scenario. In this workshop, Marco and Alessandro showcase an OpenCms based development environment that leverages Sass, Grunt, and the OpenCms Samba interface to streamline the workflow of designers and programmers alike. Sass is a powerful stylesheet language that provides syntactic sugar for CSS; Grunt is a task runner that allows the automation of mundane development work.
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The next major version 9.5 of OpenCms is ready and it’s easier to use than ever!
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What Do Contribution Guidelines Say About Software Testing? (MSR 2025)
What Do Contribution Guidelines Say About Software Testing? (MSR 2025)Andre Hora Software testing plays a crucial role in the contribution process of open-source projects. For example, contributions introducing new features are expected to include tests, and contributions with tests are more likely to be accepted. Although most real-world projects require contributors to write tests, the specific testing practices communicated to contributors remain unclear. In this paper, we present an empirical study to understand better how software testing is approached in contribution guidelines. We analyze the guidelines of 200 Python and JavaScript open-source software projects. We find that 78% of the projects include some form of test documentation for contributors. Test documentation is located in multiple sources, including CONTRIBUTING files (58%), external documentation (24%), and README files (8%). Furthermore, test documentation commonly explains how to run tests (83.5%), but less often provides guidance on how to write tests (37%). It frequently covers unit tests (71%), but rarely addresses integration (20.5%) and end-to-end tests (15.5%). Other key testing aspects are also less frequently discussed: test coverage (25.5%) and mocking (9.5%). We conclude by discussing implications and future research.
Mastering OOP: Understanding the Four Core Pillars
Mastering OOP: Understanding the Four Core PillarsMarcel David Visit for updated note:
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Explaining GitHub Actions Failures with Large Language Models Challenges, In...
Explaining GitHub Actions Failures with Large Language Models Challenges, In...ssuserb14185 GitHub Actions (GA) has become the de facto tool that developers use to automate software workflows, seamlessly building, testing, and deploying code. Yet when GA fails, it disrupts development, causing delays and driving up costs. Diagnosing failures becomes especially challenging because error logs are often long, complex and unstructured. Given these difficulties, this study explores the potential of large language models (LLMs) to generate correct, clear, concise, and actionable contextual descriptions (or summaries) for GA failures, focusing on developers’ perceptions of their feasibility and usefulness. Our results show that over 80% of developers rated LLM explanations positively in terms of correctness for simpler/small logs. Overall, our findings suggest that LLMs can feasibly assist developers in understanding common GA errors, thus, potentially reducing manual analysis. However, we also found that improved reasoning abilities are needed to support more complex CI/CD scenarios. For instance, less experienced developers tend to be more positive on the described context, while seasoned developers prefer concise summaries. Overall, our work offers key insights for researchers enhancing LLM reasoning, particularly in adapting explanations to user expertise.
https://arxiv.org/abs/2501.16495
Agentic AI Use Cases using GenAI LLM models
Agentic AI Use Cases using GenAI LLM modelsManish Chopra This document presents specific use cases for Agentic AI (Artificial Intelligence), featuring Large Language Models (LLMs), Generative AI, and snippets of Python code alongside each use case.
Kubernetes_101_Zero_to_Platform_Engineer.pptx
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Landscape of Requirements Engineering for/by AI through Literature Review
Landscape of Requirements Engineering for/by AI through Literature ReviewHironori Washizaki Hironori Washizaki, "Landscape of Requirements Engineering for/by AI through Literature Review," RAISE 2025: Workshop on Requirements engineering for AI-powered SoftwarE, 2025.
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Adobe Illustrator is a powerful, professional-grade vector graphics software used for creating a wide range of designs, including logos, icons, illustrations, and more. Unlike raster graphics (like photos), which are made of pixels, vector graphics in Illustrator are defined by mathematical equations, allowing them to be scaled up or down infinitely without losing quality.
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OpenCms Days 2014 - Enhancing OpenCms front end development with Sass and Grunt
- 1. Enhancing OpenCms front end development with Sass and Grunt OpenCms Days November 3, 2014
- 2. Our goals ● Edit and compile Sass files directly in VFS ● Integrate Grunt Js ● Build a plug & play solution
- 3. Nesting ● Nest selectors within a parent selector ● Clear and organized code ● Code faster
- 4. Overview ● Short introduction to Sass ● What is Grunt js ● Our implementation: Glide
- 5. What is Sass ● Syntactically Awesome Style Sheet ● adds functionality to CSS ● CSS-like syntax ● Sass compiles to CSS
- 6. Nesting
- 7. Variables ● Only define a value once ● Easy maintenance ● Reusable code for modules
- 8. Variables
- 9. Colors in SASS ● Automatic conversion of hex to RGBA ● Functions on color: darken and lighten, saturate, desaturate, fade, adjust the hue, inverted, complementary colors, mix colors, shade and tint
- 10. Colors in SASS
- 11. Extend ● Inherit style from another class ● Create placeholder style ● Keep code clean
- 12. Extend
- 13. mixin ● Functions that output CSS ● Similar to javascript ● Create a personal library
- 14. mixin
- 15. mixin
- 16. mixin
- 17. mixin
- 18. ..and there is more! ● Control directives if/else for while each ● Math operations
- 19. ..and there is more!
- 20. ..and there is more!
- 21. Compass ● Framework on the top of Sass ● Pre-built mixins ● Great for cross browser css3 support
- 22. Grunt Grunt is a task runner that allows the automation of mundane development work
- 23. Why Grunt ● from simple workflow enhancements, to complete production build systems ● active plugin development community (~3600 plugins)
- 24. Automation in grunt ● Watch .scss, jsp and js ● Compile sass/compass ● Minify css for online project ● Minify javascript ● Auto publish ● Livereload
- 25. live reload ● Wait ● Concentrate ● Save time
- 27. Glide
- 28. Demo: Glide in action
- 29. Overview 2nd part ● Glide implementation ● Configuration ● Installation: OpenCms 9 demo website
- 30. Glide implementation ● Grunt Process runs in a dedicated thread ● A pointer is stored in the ServletContext ● All users share a single Grunt instance ● Only members of the authorized group see and interact with Glide ● All the Java code is in a JSP for quick customization
- 31. Grunt optimization ● Sass cache files are stored outside the OpenCms VFS ● Configuration file is parameterized ● Required node packages are already bundled ● No symlinks as they're not supported by network shared folder
- 32. Server requirements ● Install Node and Compass ● Mount OpenCms network share ● Open port for livereload users don't have to install anything on their workstations
- 34. Configuration
- 35. Demo: installation in the 9.0.1 demo site ● drag & drop in an element group (the footer) ● configure Glide ● restart Grunt so it watches the new module ● change a formatter (e.g. Jumbotron) ● create Sass and JS files
- 36. Download Glide www.opencmsitalia.it/glide ● main module ● demo site
- 37. Thanks! Alessandro Magnolo & Marco Rho contact us at [email protected]