CHEAT.SYS

Go slice append mechanics — capacity growth, memory allocation, copy behavior

Go map internals — hash buckets, overflow chains, evacuation, grow strategy

Go channels — buffered/unbuffered, send/receive, select, deadlocks

Go interfaces — itab, type assertions, embedding, nil interface vs nil pointer

Go memory model — stack vs heap, escape analysis, GC, allocator

Go sync primitives — Mutex, RWMutex, WaitGroup, Once, Pool

Go networking — TCP/UDP, HTTP server, connection pooling, timeouts

B-Tree operations — insert, delete, split, merge, search with step-by-step animation

Hash map internals — hashing, collision resolution, rehashing, load factor

LRU cache — doubly linked list + hash map, eviction policy, hit/miss ratio

Binary trees — BST, AVL, Red-Black, traversals, rotations

Core data structures — arrays, linked lists, stacks, queues, heaps

Search algorithms — binary search, linear, DFS, BFS, A* with visualization

Graph algorithms — Dijkstra, BFS, DFS, topological sort, MST

Dynamic programming — memoization, tabulation, classic problems visualized

Consistent hashing — ring topology, virtual nodes, rebalancing on add/remove

Raft consensus — leader election, log replication, term changes, split-brain

Kafka internals — partitions, consumer groups, offsets, replication, ISR

Transaction log — WAL, commit/rollback, checkpointing, crash recovery

Retry strategies — exponential backoff, jitter, circuit breaker, deadline

Database internals — B+ tree indexes, query execution, buffer pool, MVCC