Portfolio Site — Full Codebase Audit Report

Date: February 2026 | Coverage: 100% of 232 unique files across all dumps

Reading Coverage Summary

Problem Inventory (Authoritative)

74 total problems | 44 solved | 30 unsolved (Site claimed 77/43 — delta of 3 is the linked-list #10 placeholder + 2 tree stubs)

By Topic

| Topic | Total | Solved | |—|—|—| | Searching & Sorting | 27 | 18 | | Arrays (sliding-window) | 13 | 5 | | Arrays (two-pointers) | 5 | 5 | | Linked List | 10 | 6 | | Strings | 11 | 9 | | Tree | 7 | 0 | | Stacks | 4 | 0 |

Bugs — Confirmed & Verified

🔴 Critical (fix this week)

1. Emoji Encoding Corruption — SITE-WIDE

• Every emoji renders as mojibake (✅ → ✅, → ðŸ , etc.)
• Root cause: UTF-8 encoding mismatch in git config or editor
• Fix: git config core.autocrlf false + re-save all files with UTF-8 no BOM
• Affects: ALL pages including default.html layout

2. Placeholder Blog Post Live

• File: _posts/2025-01-01-first-post.md
• Content: “Welcome to My Blog” — filler text, public-facing
• Fix: Delete the file

3. Wrong Author on Blog Post

• File: _posts/2025-12-25-my-first-blog.md
• Author listed as “Calculusphile” — wrong identity
• Also has broken path: /learning/dsa/LinkedList/ (should be linked-list)
• Fix: Fix author + path, or delete if content not worth keeping

4. Broken Liquid Template Tags

• learning/system-design/scalability.md: { should be 0 and 56

Content Quality Assessment

✅ Exceptional Content (your best work)

1. learning/4g-5g/index.md — Professional-grade telecom reference

• Covers E-UTRAN, EPC (MME, SGW, PGW, HSS), IMS, VoLTE, 5G-AKA, NGFW/SASE
• Level: industry documentation quality
• Action: Make this more prominent in navigation — it’s currently buried

2. Java Learning Series (java/00–03) — Deeply written, interview-focused

• compilation-execution.md: JVM internals, classpath, bytecode lifecycle
• primitive-data-types.md: IEEE 754, precision bugs, BigDecimal, type promotion rules
• java-constructor.md: 18-section guide — default vs no-args, chaining, private constructors
• memory-management-garbage-collection.md (referenced but unread — must be substantial)
• Style: Consistent Interview Q&A sections, Key Takeaways, mental models
• Action: Add JavaFoundry project to portfolio showcase

3. C Basics Series (c/c-basics/01–11) — Systems-level mastery

• Memory layout diagram + SVG, stack frames, pointer arithmetic, struct padding
• Covers: Text/BSS/heap/stack segments, wild vs dangling pointers, function pointers, malloc internals
• Action: Blog post on “C memory layout for Java developers” would be compelling cross-topic content

4. Searching-Sorting/ with PDF approaches — Real engineering habit

• PDF solution writeups per problem (floorAndCeil.pdf, Kth_rotation.pdf, etc.)
• LeetCode solution links with editorial-style explanations
• Allocate Minimum Pages: full writeup with complexity proof, isValid greedy

5. Linked List solution pages (6 files) — Proper solution documentation

• leetcode-141: Two approaches (hash map + Floyd’s), complexity comparison table
• leetcode-19: Two-pass vs one-pass with summary table
• leetcode-2: Dummy-node vs in-place O(1) space approaches
• leetcode-876: Tortoise-hare with complexity note
• All follow consistent structure: Intuition → Approach → Complexity → Code → Key Insights

6. C++ Lambda Functions — Complete guide

• Syntax, capture modes, mutable, generic, move-capture, std::function
• UML-style closure mental model
• Runnable examples with build commands

7. COPILOT_RULES.md — Sophisticated AI workflow

• Rules for System Design, journal, blog section separation
• Shows you use AI intentionally with guardrails — worth a blog post

🟡 Partial Content (has good bones, needs filling)

🔴 One-Line Stubs (add “🚧 Coming Soon” banner)

• backtracking/index.md: “Try/choose/backtrack; pruning with constraints.”
• graphs/mst.md: “Kruskal and Prim; union-find.”
• queues/circular-queue.md: “Fixed-size buffer using wrap-around indices.”
• queues/priority-queue.md: “Priority-based retrieval; usually heap-backed.”
• recursion/index.md: Has basic structure, but no real content
• sorting/heapsort.md, mergesort.md, quicksort.md: One-liners
• go/index.md, javascript/index.md, python/index.md, rust/index.md: One-liners

Architecture Findings

Data Layer Problem

Before: 74 problems hardcoded as raw HTML across 9+ markdown files, with duplicates and contradicting solved status.

After (delivered): _data/problems.yml — single source of truth.

• 74 problems with accurate solved status cross-referenced from all source files
• Schema: id, title, platform, difficulty, topics[], solved, problem_url, approach_url, solution_url
• Auto-generates stats: 56
• Enables filtering by topic, difficulty, platform in any Liquid template

PlantUML Pipeline — Working and Impressive

• .github/workflows/plantuml-render.yml active
• SVG diagrams generated for: C memory layout, C pointer model, Java compilation, 4G/5G architecture
• This is a differentiator — most portfolios don’t have auto-generated technical diagrams

COPILOT_RULES.md — Underutilized Asset

• You have per-section AI rules: System Design assistant mode, journal rules, blog rules
• This shows AI-workflow maturity
• Consider: blog post about “How I use AI as a structured learning partner”

Finance/Tax Section Misplaced

• learning/finance/tax_hurdle/ has 6 files (checklist, quickref, refactoring guide, technical analysis, summary)
• This is a full project wiki living in the learning section
• Should be cross-referenced more prominently from _projects/tax_hurdle.md
• The checklist (Phase 1–4 with 16 improvement items) is solid engineering content

Deliverables (Files to Drop Into Your Repo)

Priority Action Plan

This Week (Bugs)

1. Delete _posts/2025-01-01-first-post.md

2. Fix or delete _posts/2025-12-25-my-first-blog.md (wrong author “Calculusphile”)

3. Fix broken path: LinkedList -> linked-list in Fast Pointer post
4. Drop .gitignore from deliverables (provided)
5. Fix emoji encoding: check .gitattributes — add * text=auto eol=lf
6. Remove theme: minima from _config.yml

This Month (Architecture)

1. Drop _data/problems.yml (provided) — eliminates all hardcode duplication
2. Drop _includes/problem-card.html (provided) — unify card systems
3. Replace learning/dsa/index.md (provided) — auto-stats from data
4. Replace learning/dsa/master-problem-list.md (provided) — data-driven
5. Update homepage stat counters to use Liquid (see note above)
6. Add 🚧 Coming Soon banner to all one-liner stub pages
7. Run git rm -r --cached .venv/ after updating .gitignore

Next Quarter (Features)

1. Lunr.js site-wide search — 100+ pages needs it
2. Tags/categories system — wire up post frontmatter categories
3. Problem filter UI — JS filter by topic/difficulty/status on master list
4. Dark mode — CSS variables + localStorage toggle
5. Promote Java learning journal on homepage as “Currently Learning” section
6. Blog post: “C memory internals for Java developers” — bridge your two strongest topics
7. Blog post: “How I use COPILOT_RULES.md as structured AI workflow”
8. Add JavaFoundry as a project on portfolio page
9. Make 4G/5G section more prominent — it’s exceptional content