General
PromptBeginner5 minmarkdown
Behavioral guidelines to reduce common LLM coding mistakes
derived from [Andrej Karpathy's observations](https://x.com/karpathy/status/2015883857489522876) on LLM coding pitfalls.
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General
PromptBeginner5 minmarkdown
- State your assumptions explicitly. If uncertain
ask.
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General
PromptBeginner5 minmarkdown
description: Behavioral guidelines to reduce common LLM coding mistakes. Use when writing
reviewing
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General
PromptBeginner5 minmarkdown
karpathy-guidelines
---
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General
PromptBeginner5 minmarkdown
- Interview type: [e.g.
HR screening / Technical / C-level / panel]
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General
PromptBeginner5 minmarkdown
- After 8–10 questions
end the interview naturally and tell me: We'll be in touch. Type ANALYZE when you're ready for feedback.
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General
PromptBeginner5 minmarkdown
- Mix question types: behavioral (STAR)
technical
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General
PromptBeginner5 minmarkdown
Mockup Interview using Gemini Live
${job_title} at [COMPANY TYPE/NAME].
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General
PromptBeginner5 minmarkdown
5. Utility classes or direct styles for special cases (caps
tabular numbers
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General
PromptBeginner5 minmarkdown
- NEVER pair two visually similar fonts (e.g.
two geometric sans-serifs)
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General
PromptBeginner5 minmarkdown
2. Base typography variables (--font-body
--font-heading
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General
PromptBeginner5 minmarkdown
- MUST use unitless `line-height` values (1.3-1.45)
never px or em
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General
PromptBeginner5 minmarkdown
- Bold not italic for headings. Subtle size increases (1.2-1.5x steps
not 2x jumps)
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General
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- Paragraph spacing via `margin-bottom` equal to one line-height
no first-line indent for web
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Data
PromptBeginner5 minmarkdown
- `font-variant-numeric: tabular-nums` on data/number columns
`oldstyle-nums` for prose
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General
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- Line length drives breakpoints
not the other way around
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General
PromptBeginner5 minmarkdown
- NEVER use `vw` units alone (breaks user zoom
accessibility violation)
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General
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- Use `clamp()` for fluid sizing: `clamp(1rem
0.9rem + 0.5vw
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General
PromptBeginner5 minmarkdown
- Free quality options: Source Serif
IBM Plex
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General
PromptBeginner5 minmarkdown
- NEVER default to Arial
Helvetica
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General
PromptBeginner5 minmarkdown
- Pair fonts by contrast (serif body + sans heading
or vice versa)
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General
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- Prioritize fonts with generous x-height
open counters
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General
PromptBeginner5 minmarkdown
2. **Build a type scale.** Use 1.2-1.5x ratio steps from the base size. Do not pick arbitrary heading sizes. Example at 18px base with 1.25 ratio: body 18px
H3 22px
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General
PromptBeginner5 minmarkdown
When generating CSS
Tailwind classes
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