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James

Index Triathlon: Index Zones, and why mine were wrong Fueling a six-hour ride Tracking load with CTL, ATL, and form Sleep is the cheap performance lever Sarnia to Barrie Projects and Writing: Index Implementing a Go Engine in Rust with MCTS, RAVE, and Heuristic Rollouts Gaidai's Shurik and the Social Function of Soviet Comedy Coordination Without Authority: Zhang Zuolin and the Fengtian Clique

Engineering and Research

Neuralink: Index Firefox: Index Machine Learning Research: Index Hand-Crafted Features and Tree Models Firefox ONNX Inference Learned URL Representations Data Exploration and Visualization tracker cost presentation New Tab Privacy Metrics: Index Privacy Metrics Service Privacy Metrics Component Top Trackers Database Flushing Live ContentBlockingLogs on Anti-Tracking DB Query Nova Redesign & New Tab Integration Gecko Security Patches: Index Embed Link Preservation Defensive Range Checks in a Browser-Side Compression Decoder Marking Browser Clipboard Writes as Sensitive in Private Contexts ETP Infrastructure: Index Sphinx ETP Extension Android ETP Pipeline Strict Mode Fix Private Browsing Cell Clarification Pref Comment Cleanup Additional Work: Index Removing 2,645 Lines of the Old Clear Data Dialog SmartBlock Shims: Click-to-Load Placeholders for Blocked Tracker Content Tracking-Parameter Stripping in Firefox's Copy Clean Link Instrumenting Firefox's Notification Permission Lifecycle with Glean Mozilla Engineering Talks + Networking Shopify: Index Search: Index Build Time and Query Time Lexical Retrieval Semantic Retrieval Fusion and Reranking Building the Index Ranking on Evidence Measuring a Relevance Change Applied LLM Engineering: Index Just-in-Time Context: Moving Tool Instructions Out of the System Prompt Calibrating an LLM Judge: Cohen's Kappa from 0.02 to 0.61 Open Source: Index MarkUs: Index Killing an N+1 in the Grading Interface Scheduled Assignment Visibility, End-to-End Model-Layer Invariants and Tests as Contracts PythonTA: Index AST Manipulation, Custom Checkers, and a Student-Facing Reporter

Course Notes

Machine Learning: Index Foundations: Index K-Nearest Neighbors: Index Experiment: MNIST Digit Classification K-Nearest Neighbors Decision Trees: Index Decision Trees Experiment: Heart Disease Prediction Linear Regression: Index Experiment: Gradient Descent Gradient Descent Linear Regression Practice Problems Logistic Regression and Regularization: Index Logistic Regression and Regularization Bias-Variance Tradeoff and Bagging: Index Bias-Variance Tradeoff and Bagging Naive Bayes: Index Naive Bayes Gaussian Discriminant Analysis: Index Gaussian Discriminant Analysis Gradient Boosting: Index Gradient Boosting Feature Engineering and Embeddings: Index Feature Engineering and Embeddings Loss Functions and Optimization: Index Loss Functions and Optimization Deep Learning: Index Neural Networks: Index Neural Networks Backpropagation: Index Backpropagation Transformers and Attention: Index Transformers and Attention Large Language Models: Index Large Language Models: Index Large Language Models Retrieval Augmented Generation: Index Retrieval Augmented Generation Fine-Tuning and Parameter-Efficient Methods: Index Fine-Tuning and Parameter-Efficient Methods Linguistics and Tokenization: Index Search and Retrieval: Index What Search Is Counting Words Smarter: TF, Length Normalization, and IDF The Whole Pipeline: From Query to Ranked Results Privacy and ML: Index Differential Privacy On-Device Inference Federated Learning Privacy Attacks on ML Models Systems and Practice: Index ML Systems Design: Index ML Systems Design Model Evaluation and Experiment Design: Index Model Evaluation and Experiment Design Building with AI Socratic Learning System: Index Socratic Learning System General Staff Projects: Index Painting Classifier: Index Experiment: Painting Classifier Feature Engineering Pipeline Model Comparison: Logistic Regression vs Random Forest vs MLP Training a Flux LoRA of My Face Linear Algebra: Index 1: Re-imagining Matrices 2: Solving Linear Systems 3: Vectors in Euclidian Space 4: Matrix Operations 5: Matrix Transformations as Functions 6: Subspaces 7: Kernel and Image 8: Orthogonality and Projections 9: The Determinant 10: Eigenvalues and Eigenvectors 11: Diagonalization and Similarity 12: Orthogonal Diagonalization and the Spectral Theorem 13: Singular Value Decomposition 14: Portfolio Optimization 15: PCA in Finance 16: Covariance Estimation and Regularization Philosophy: Index PHL217 Introduction to Continental Philosophy: Index Lukács Sartre Recognition Statistics: Index STA238 Probability Statistics and Data Analysis II: Index Estimating a parameter Judging an estimator Data Structures and Algorithms: Index Dicts, defaultdict and Counter Binary Search Heaps Deques and Expiring Windows Tries Dictionary compositions Graphs and traversal

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