Miscellaneous Topics¶

Cross-domain programming reference covering Go, advanced JavaScript, data structures and algorithms, SQL, Python utilities, computer vision, browser automation, and AI development tools.

JavaScript¶

• javascript async patterns - event loop phases, promises, streams, generators, signals, AbortController
• javascript concurrency primitives - Semaphore, Mutex, AsyncQueue, Worker Threads, GoF patterns for async

Go Programming¶

• go fundamentals - types, slices, maps, pointers, interfaces, closures, error handling, context
• go concurrency - GMP scheduler, channels, select, sync primitives, graceful shutdown
• go microservices - gRPC with protobuf/buf, clean architecture layers, DI, testing, Docker
• go database patterns - PostgreSQL/pgx, MongoDB, Redis caching, transactional outbox, migrations

Infrastructure and Messaging¶

• observability query languages - PromQL, LogQL, TraceQL, OpenTelemetry, golden signals
• kafka messaging - delivery semantics, consumer groups, rebalancing, KRaft mode

Data Structures and Algorithms¶

• data structures fundamentals - arrays, hash tables, linked lists, stacks, queues, Big O
• trees and graphs - BST, heaps, tries, BFS, DFS, Dijkstra's algorithm
• sorting algorithms - bubble, selection, insertion, quicksort, quickselect
• dynamic programming - recursion, memoization, bottom-up tabulation
• algorithm problem patterns - two-pointer, sliding window, interview methodology

Python and Web¶

• python stdlib patterns - collections, itertools, functools, heapq, LEGB scoping, closures
• python web scraping - BeautifulSoup, requests, table scraping, anti-bot techniques
• django rest framework - serializers, related fields, validation, ORM with Q/F objects
• sql advanced patterns - window functions, subqueries, date functions, analytics queries

Computer Vision¶

• yolo object detection - YOLOv12 architecture, Ultralytics API, IoU, NMS, mAP metrics

Testing and Automation¶

• browser test automation - Geb/Groovy Selenium patterns, form filling, dialogs, iframes

AI Development Tools¶

• ai agent ide features - agent-first IDEs, rules/skills systems, token management, security