More people are learning to code than ever, but most learning opportunities do not explicitly teach the problem solving skills necessary to succeed at open-ended programming problems.

In this paper, we present a new approach to impart these skills, consisting of:

1) explicit instruction on programming problem solving, which frames coding as a process of translating mental representations of problems and solutions into source code,

2) a method of visualizing and monitoring progression through six problem solving stages,

3) explicit, on-demand prompts for learners to reflect on their strategies when seeking help from instructors, and

4) context-sensitive help embedded in a code editor that reinforces the problem solving instruction.

We experimentally evaluated the effects of our intervention across two 2-week web development summer camps with 48 high school students, finding that the intervention increased productivity, independence, programming self-efficacy, metacognitive awareness, and growth mindset.

We discuss the implications of these results on learning technologies and classroom instruction

In this video I analyze the DOOM project by id Software.
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The focus will be on software architecture, technical limitations, technical concepts.
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• 00:00 DOOM
• 03:18 Software Architecture
• 08:06 Build Process
• 10:04 Component Diagram
• 11:07 WAD Files
• 13:20 Main Loop
• 14:35 2D Renderer
• 20:45 3D Renderer Intro
• 24:22 Binary Space Partitioning
• 27:45 BSP Example
• 31:03 Player FOV
• 35:22 Wall Clipping
• 40:30 Visplanes
• 41:25 "Masked"
• 42:21 Conclusion and Lessons