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Matti Harjula

PROFILE

Matti Harjula

Matti Harjula contributed to the maths/moodle-qtype_stack repository by developing and maintaining features that enhanced both security and usability for Moodle question types. He upgraded core JavaScript libraries such as JSXGraph, introduced real-time validation event systems, and implemented HTML entity escaping to ensure safe content rendering. Using JavaScript, PHP, and CSS, Matti improved AJAX validation workflows and added configurable security attributes for sandboxed iframes. He also focused on documentation, providing clear usage guidance and onboarding materials. His work addressed multilingual support and code stability, demonstrating a thorough approach to backend and frontend development with attention to maintainability and correctness.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

20Total
Bugs
2
Commits
20
Features
10
Lines of code
2,247
Activity Months5

Work History

September 2025

1 Commits

Sep 1, 2025

Monthly work summary for 2025-09 focusing on code stability and multilingual support in maths/moodle-qtype_stack. This month centered on fixing a logic bug in language code validation to ensure correctness of language codes for multilingual questions. No new features were released this month; the emphasis was on correctness and reliability, reducing mislabeling risk and improving user experience across locales.

August 2025

6 Commits • 3 Features

Aug 1, 2025

Concise monthly summary for 2025-08 highlighting feature delivery, critical bug fixes, impact, and skills demonstrated. Emphasizes business value and technical achievements across the maths/moodle-qtype_stack repository.

June 2025

4 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for maths/moodle-qtype_stack. Focused on delivering documentation-driven features that improve developer experience and user adoption. Two topics documented: Entity Escape Block and Iframe Block with related style/script blocks. These updates enhance usage guidance, indexing, and provide concrete usage scenarios, aligning with repository standards.

May 2025

7 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for maths/moodle-qtype_stack focusing on feature delivery, security hardening, and code quality improvements. No major publicized bugs were opened this month; effort concentrated on delivering high-value features with traceable commits and establishing reusable tooling.

November 2024

2 Commits • 1 Features

Nov 1, 2024

Month: 2024-11. Focused on upgrading dependencies for maths/moodle-qtype_stack by upgrading JSXGraph to version 1.10.1, incorporating a CDN entry for 1.10.1 CSS/JS assets, and cleaning build artifacts to reduce noise in the distribution. Highlights include inclusion of CDN assets and two commits related to the upgrade (409cd0960f003e80d81a982fb96d6f7c310576de and ce445b19ed5f4f0a478be79a12497cb32034359e).

Activity

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Quality Metrics

Correctness91.6%
Maintainability91.6%
Architecture89.6%
Performance83.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSJavaScriptMarkdownPHP

Technical Skills

AJAXAPI DevelopmentBackend DevelopmentCSSCode DocumentationContent Management SystemsDOM ManipulationDependency ManagementDocumentationEvent HandlingFront end developmentFront-end DevelopmentFrontend DevelopmentIssue TrackingJavaScript

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

maths/moodle-qtype_stack

Nov 2024 Sep 2025
5 Months active

Languages Used

CSSJavaScriptPHPMarkdown

Technical Skills

Front end developmentFrontend DevelopmentJavaScript LibrariesLibrary UpdateBackend DevelopmentCSS

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