💻 Computer Science

Augmented Reality Tracking (2D)New📱Interactive 2D AR pipeline simulator: switch between marker-based and markerless (SLAM)… Diffusion Model Visualizer (2D)New📱A 2D canvas version showing a cloud of dots denoise step by step into a target outline. Dining Philosophers Deadlock Simulator (2D)New📱A top-down canvas simulation of the dining philosophers problem showing how naive, ordered,… Computational Physics Simulator (2D)New📱Compare Euler, semi-implicit Euler and RK4 numerical integrators on a 2D two-body orbit and… Multi-Agent Systems: Decentralized Coordination & Emergent Behavior (2D)New📱A 2D top-down view of autonomous agents coordinating toward a shared goal using only local,… Program Synthesis & Verification: Counterexample-Guided Search (2D)New📱A flat radial CEGIS visualiser: candidate programs orbit a jagged specification boundary and… 3D K-Means Clustering Lab — Data Science SimulatorNewReal Lloyd's-algorithm k-means clustering rendered in genuine 3D: watch synthetic Gaussian… Inference Compression: Weight-Matrix Quantization & Pruning (2D)New📱A 2D weight-matrix heatmap companion to the layered-network 3D scene: a real 28x44 weight… Beta Tester Device Coverage OptimizerNew📱A top-down 2D grid of device/OS combinations lights up as beta testers are enrolled one at a… Mobile App Store Staged Rollout SimulatorNew📱A top-down 2D grid of a live mobile device population as a staged App Store / Google Play… Permission Priming: Just-in-Time vs Upfront Requests (2D)New📱A 2D top-down companion that streams synthetic users through four sequential mobile… Mobile Performance Test Gate: Cold Start & Frame Budget (2D)New📱A flat 2D companion mobile performance-testing simulator: a Gantt bar chart builds a… Adaptive Bitrate Streaming Simulator (2D)New📱A 2D canvas simulator of adaptive bitrate (ABR) video streaming, where buffer-based and… Switch-Access Scanning Simulator (2D)New📱A 2D companion simulator of switch-access (row-column vs linear) scanning, the assistive… App Standby Buckets: Background Job ThrottlingNew📱A 2D lane diagram of Android's App Standby Buckets, where an app slides down a throttling… Mobile CI/CD Runner Pool: Build Queue & Cache SimulatorNew📱A top-down 2D view of a mobile app CI/CD runner pool where a fixed set of parallel runners… Crash Fingerprint Clustering SimulatorNew📱A 2D bar-chart view of the stack-trace fingerprint hashing crash-reporting tools use to… Normalized vs Denormalized State: Cache Drift SimulatorNew📱A top-down 2D view of a canonical store and its observing screens, where dispatched updates… In-Car Glance-Time Simulator 2DNew📱A 2D top-down driver-distraction simulator modeling a CarPlay/Android Auto touchscreen task… PWA Installability ExplorerNew📱A 2D simulator of Progressive Web App installability: toggle HTTPS, manifest, icon and… Automated Regression Test Matrix (2D)New📱2D CI/CD test-matrix heatmap: sweep test cases against code modules, inject a regression bug… Brooks's Law Team-Scaling SimulatorNewA day-by-day 2D burn-down simulation of Brooks's Law: add engineers to a running project and… Mobile Device Farm Test Scheduler (2D)New📱Interactive 2D Gantt-style simulator of a mobile CI/CD device farm: a greedy LPT bin-packing… Card Sorting & Information Architecture Simulator (2D)New📱Run a synthetic open card sort with a 2D force-directed layout: virtual participants group… DEX Method-Count Bin Packer 2D: Multidex SDK Bar ChartNew📱2D bin-packing visualizer for Android's 65,536-method-per-DEX limit: toggle third-party… System Coupling 2D: Dependency Graph Blast Radius SimulatorNew📱Build a live module dependency graph (layered pipeline or dense mesh), tune coupling… Deep Link Route Resolver (2D)New📱Pan and zoom a live 2D radix-trie route tree for mobile deep-linking: trace an incoming URL… Doze Mode Wake-Lock Budget Simulator (2D)New📱Interactive 2D dashboard of Android's Doze mode resource governor: a scrolling per-app… Deferred Deep Link Attribution Matching (2D)New📱Interactive 2D simulator of probabilistic deferred deep-link attribution: a lane of ad-click… The Peeking Problem: A/B Test Significance (2D)New📱Watch synthetic users flow into control and variant funnels on a live 2D canvas while a… Onboarding Funnel Drop-off Simulator (2D)New📱Interactive 2D onboarding funnel: watch a cohort of users flow through Welcome, Permission… Real-Time Message Jitter BufferNew📱Interactive 2D simulator of the jitter buffer that real-time mobile apps use to reorder… Zero-Downtime Data Migration: Backfill Race DiagramNew📱Interactive 2D expand-contract database migration diagram: watch dual-writes and a live… MDM Fleet Compliance Enforcement (2D)New📱Interactive 2D MDM policy-engine simulator: watch a fleet of 64 enterprise devices drift out… Mobile Log Aggregation 2D: Token-Bucket Rate Limiting & Priority SamplingNew📱Interactive 2D simulator of a mobile log-aggregation pipeline: watch… Fine-Grained Reactivity 2D: Observable Dependency GraphNew📱An interactive 2D dependency graph showing how MobX-style fine-grained reactive state tracks… Steering Law Tunnel Task Simulator (2D Top-Down)New📱Interactive 2D top-down steering-law (Accot-Zhai) tunnel task: steer a puck through a… Mutation Testing Lab 2D: How Good Is Your Test Suite?New📱Interactive 2D mutation-testing simulator: inject synthetic code mutants across four real… Screen Reader Focus Order Map (2D)New📱Top-down 2D diagram of how VoiceOver/TalkBack walk a mobile screen's accessibility tree in… Foveated Rendering for Mobile XR — 2D SimulationNew📱Interactive 2D simulator of gaze-tracked foveated rendering for mobile AR/VR headsets: a… TOTP Code Ring — 2D HMAC VisualizerNew📱Interactive 2D visualizer for Time-based One-Time Passwords (RFC 6238): watch a real… ARC Retain Cycle Lab 2DNew📱Interactive 2D reference-counting simulator: allocate heap objects on a pannable, zoomable… Buddy Allocator: Memory Map & Split TreeNew📱Interactive 2D buddy memory allocator: watch a linear memory map and its full binary… COCOMO Effort Estimation MapNew📱Interactive 2D COCOMO software cost model: drag across a KLOC x Effort Adjustment Factor… Flaky Test Detector 2D: Sequential Probability Ratio TestNew📱Interactive 2D SPRT dashboard: watch a mobile CI test's log-likelihood-ratio walk drift… Mobile Localization Text-Expansion & UI Overflow Lab (2D)New📱A 2D canvas lab that renders fifteen real translations of "Add to Cart" as flat mobile… SLA Compliance Queue: 2D Deadline PipelineNew📱Interactive 2D counterpart to the 3D compliance-pipeline simulator: watch GDPR / CCPA /… Release Train & Code Freeze Boarding Simulator (2D)New📱Interactive 2D dashboard of a fixed-cadence mobile release train: features become ready at… Mobile Analytics Event Pipeline — 2D SimulatorNew📱Interactive 2D model of a mobile analytics SDK's event pipeline: events queue in a… List Virtualization & View-Holder Recycling (2D)New📱Interactive 2D simulator of the windowing algorithm behind every mobile scrolling list:… Adaptive Bitrate Streaming 2D: Buffer & Ladder SimulatorNew📱A 2D top-down diagram of the buffer-based (BBA) and throughput-based adaptive-bitrate… Bidi Reordering Lab (2D): The Unicode Bidirectional AlgorithmNew📱2D companion to the 3D Bidi Reordering Lab: build a mixed left-to-right / right-to-left… RPO/RTO Disaster Recovery Simulator (2D)New📱A 2D canvas simulator of a mobile-app backup timeline: strike a disaster anywhere across 24… Mobile User Lifecycle State Machine (2D)New📱A 2D top-down Markov-chain simulator of a mobile app's user lifecycle: watch a 220-user… Feature-Flag Rollout Bucketing Simulator (2D)New📱An interactive 2D canvas grid of app users shows the deterministic hash-bucketing algorithm… WCAG Contrast Ratio Lab (2D)New📱Interactive 2D simulator of the WCAG 2.x contrast-ratio formula: drag foreground and… SemVer Dependency Resolver (2D)New📱A 2D pannable/zoomable node graph running the same npm-style semantic-version resolution… CLDR Plural Rules Explorer (2D)New📱A pannable, zoomable 2D grid running the exact same Unicode CLDR plural-rules engine as the… Unidirectional State Flow & Time-Travel Debugger (2D)New📱An interactive 2D flow-diagram simulator of Redux/BLoC-style unidirectional state management… Usability Task-Flow Funnel Simulator (2D)New📱2D companion to the 3D usability funnel model: a Monte Carlo simulator of a mobile… Software Reliability Growth Model (2D)New📱Watch a real stochastic run of the Goel-Okumoto non-homogeneous Poisson process build a 2D… Review-Gating Bias Simulator (2D)New📱A 2D canvas simulation of the 'smart' in-app rating prompt: simulated users with a hidden… Android Process Priority & Low-Memory Killer Simulator (2D)New📱A 2D sibling of the Android process-lifecycle simulator: five stacked importance-tier bands… Push Notification Fatigue vs Retention (2D)New📱Simulate a live 200-user cohort on a 2D canvas field where push notifications boost… Debounced Form Validation 2D: Mobile Input Timing LabNewType into a live mobile email field on a scrolling 2D keystroke timeline and watch a real… Navigation Back-Stack & Memory Eviction Simulator (2D)New📱Push and pop screens on a 2D mobile navigation back-stack drawn as a receding staircase of… Integrator Stability Under Frame Jitter — Phase-Space Simulator (2D)New📱2D companion to the Fix-Your-Timestep simulator: a mass-spring oscillator integrated three… Touch Heatmap Tracker: Kernel Density Event Tracking (2D)New📱Synthetic tap events stream onto a flat 2D density field and accumulate into a live… Gas Fee Market 2D: EIP-1559 Priority QueueNew📱Interactive 2D simulator of the Ethereum EIP-1559 gas-fee market that every mobile crypto… Rolling Shutter Propeller Bend LabNew📱Watch a spinning fan captured row-by-row by a CMOS sensor and see why its straight blades… Flash Wear-Leveling Ring & Wear-Inequality Index (2D)New📱2D companion to the flash-storage simulator: NAND blocks arranged in an erase ring show live… Coupon Collector: Feature Flag Coverage LabNew📱Interactive 2D coupon-collector simulator: random feature-flag tests light up cells in a 2^N… Render Pipeline Backpressure: Frame-Budget Queue SimulatorNew📱A single-server queueing simulation: frame requests arrive at a fixed vsync cadence and wait… Frame-Budget Queueing Lab: M/M/1 vs M/M/cNew📱A 2D queueing-theory model of a mobile app's main thread and background worker pool: Poisson… Directional Swipe-Card Physics: 2D Vector Gesture DecisionNew📱Interactive 2D directional swipe-card simulator: drag a Tinder-style card in any direction… AMM Bonding Curve & Slippage Function — 2D Reserve-Space ViewNew📱2D constant-product AMM (x·y=k): watch the trade point slide along the hyperbolic bonding… Fill-in-the-Middle: AI Code Infilling (2D)New📱A 2D multi-panel view of Fill-in-the-Middle (FIM) code infilling: watch source order vs. the… Easing Curves 2D — Animation Timing Function ExplorerNew📱A draggable, zoomable 2D bezier graph plots five real easing formulas — linear, ease-out… Ad Mediation Waterfall vs Unified Auction (2D)New📱A 2D side-by-side simulator streams the same mobile ad-impression traffic through a… DI Container Resolution Graph (2D)New📱Interactive 2D canvas dependency-injection container: watch a real depth-first resolver walk… Mobile Test Pyramid: Coverage vs. Cost vs. Flakiness (2D)New📱2D mobile testing-pyramid simulator: shape a unit / integration / UI test suite on a… Native Bridge Latency 2D: Batching vs JankNew📱2D dashboard model of the JS-to-native platform bridge used by cross-platform mobile… Push Notification Doze Gate (2D): Priority, Collapse-Key & TTLNew📱An interactive 2D pipeline model of mobile push delivery: high vs normal priority messages,… Saga Pattern 2D: Distributed Transactions Across MicroservicesNew📱Watch saga transactions flow through a chain of five microservices on a 2D schematic,… Support Desk Flow: Queue & Wait-Time DashboardNew📱2D M/M/c queueing dashboard for a mobile app support desk: a live lane diagram shows tickets… Mobile Cohort Retention Heatmap (2D)New📱Watch daily install cohorts decay along a power-law retention curve on a pannable, zoomable… Subscription Payment Retry Cascade (2D)New📱Watch a 2D ring of 180 mobile subscribers get billed each cycle, decline for insufficient… Push Campaign Segmentation 2D: Marginal-Return Budget AllocatorNew📱A 2D diminishing-returns model of push-notification budget allocation across four user… Git Branching Model 2D: Feature Flow & Merge Conflict RiskNew📱A live 2D commit-graph simulator: feature branches spawn off a growing main line, accumulate… FLIP Page Transition Lab: Transform Timeline (2D)New📱2D counterpart to the 3D FLIP page-transition lab: instead of orbiting rendered page cards,… Differential Privacy Simulation: Laplace Mechanism for Resident Recycling Rebate StatisticsNew📱Explore how adding noise from a Laplace distribution protects individual privacy while… Differential Privacy Simulation: Multi-District Laplace Mechanism for Recycling Rebate StatisticsNew📱Extend the concept to multiple districts, observing how a shared epsilon budget affects… Progressive Disclosure: Cognitive Load Onboarding SimulatorNew📱An interactive 3D leaky-bucket simulator: watch a cohort's working-memory load fill a glass… Mobile Schema Migration Fleet SimulatorNew📱Watch a fleet of mobile devices climb a 3D staircase of local database schema versions as… Proxy Discrimination: Algorithmic Redlining LabNew📱Watch a 'neutral' zip-code proxy feature in a synthetic lending model quietly re-encode… Certainty Factor Propagation in Expert SystemsNew📱A MYCIN-style rule-based expert system where uncertain evidence carries a certainty factor… Tree-Shaking Dependency Graph PrunerNew📱Interactive 3D module dependency graph: run depth-first reachability analysis from the app… Mobile-First Breakpoint Cascade SimulatorNew📱Interactive 3D simulator of mobile-first CSS breakpoint cascades: drag a viewport-width… Social Feed Ranking Algorithm SimulatorNew📱An interactive 3D simulator of a mobile app's feed-ranking pipeline: posts reorder live as… Disk Scheduling: FCFS, SSTF, SCAN & C-SCANNew📱Watch a hard-disk read/write head sweep across cylinders under FCFS, SSTF, SCAN, C-SCAN and… Edge Server Handoff: Mobility-Aware Migration SimulatorNew📱Drive a mobile device past a ring of edge-compute nodes and watch a hysteresis-based handoff… 5-Stage CPU Pipeline: Hazards & ForwardingNew📱Watch instructions flow through a classic 5-stage RISC pipeline (IF/ID/EX/MEM/WB) in 3D,… Frame-Time Monitor: Jank & FPS PercentilesNew📱Watch a live frame-time telemetry stream from a mobile app's UI thread: tune workload,… Mark-and-Sweep Garbage CollectorNew📱Watch a real mark-and-sweep garbage collector at work on a live 3D heap: allocate objects,… MVVM Data-Binding Glitch: Diamond Dependency PropagationNew📱An interactive 2D reactive dependency graph (Model → ViewModel → View) that shows the… Mobile Scroll Physics: Rubber-Band Overscroll & MomentumNew📱Drag or flick a 3D mobile card list and watch the real physics behind touch scrolling:… Cross-Platform Bridge Latency SimulatorNew📱An interactive 3D queueing simulation of a mobile framework's JS-to-native bridge: watch… Systolic Array: 2D Weight-Stationary DataflowNew📱A genuinely different, independently-computed 2D counterpart to the 3D output-stationary… CPU Scheduling & Memory ManagementNew📱Simulate CPU process scheduling algorithms like FCFS, SJF, Round-Robin, and Priority on a… CPU Scheduling & Memory ManagementNew📱Explore virtual memory page replacement techniques (FIFO, LRU, LFU) in a 3D environment… Robotic Process AutomationNew📱Bots pull tasks from a shared queue and process them with exceptions and retries tracked. Robotic Process AutomationNew📱A conveyor line processes items through robotic arms; retried items are rerouted to a return… Versioned API EvolutionNew📱Simulate how old-version clients interact with a server that has updated its API schema.… Versioned API EvolutionNew📱Visualize the evolution of an API through stacked layers. Breaking changes are represented… Network Resilience SimulationNew📱Simulate exponential backoff retry and circuit breaker for handling flaky network calls. Network Resilience SimulationNew📱Visualize client-server interactions as a 3D pipeline with a physical gate that closes… ASO Funnel SimulationNew📱This simulation models how app store optimization affects installs through search rank and… ASO Funnel SimulationNew📱In this dynamic model, individual visitors are simulated to track which creative variant… Channel Budget OptimizationNew📱Adjust ad spend across various channels to maximize profitability based on cost-per-install… Channel Budget OptimizationNew📱Balance budgets for three channels as they fire install particles into a rising profit tank,… Conflict ResolutionNew📱Resolve conflicts when two devices independently edit the same record offline using vector… Conflict ResolutionNew📱Explore a 3D orbitable scene where device monoliths sync with a hub, resolving conflicts… CI/CD Pipeline SimulationNew📱Model a CI/CD pipeline with sequential stages like build, test, and deploy. Each stage has a… CI/CD Pipeline SimulationNew📱Visualize a CI/CD pipeline where each commit flows through dedicated lanes for build, test,… Load Balancing DynamicsNew📱Route client requests across backend servers using round-robin, least-connections, or… Load Balancing DynamicsNew📱Simulate a client swarm orbiting and firing packets into a spinning load-balancer hub, which… User Journey & Retention AnalysisNew📱Track user drop-off at each stage from install to purchase and visualize cohort retention… User Journey & Retention AnalysisNew📱Model user journey through a 3D tunnel with gate rings, showing how cohorts retain over time… Architecture Patterns SimulationNew📱Explore the data flow in MVC, MVVM, and MVI architectures through a graph that highlights… Architecture Patterns SimulationNew📱Visualize the same architecture graphs as a vertical 3-layer stack with particle streams… Error Propagation HierarchyNew📱An error starts at the bottom of a call-stack and propagates up through layers until caught… Error Propagation HierarchyNew📱Errors climb through a vertical tower with ring checkpoints, retrying back down or crashing… Language Text MetricsNew📱Adjust string lengths and plural rules to prevent UI overflow across multiple languages. Language Text MetricsNew📱Visualize text metrics and plural categories for up to eight languages simultaneously,… Canary RolloutNew📱A new software version is rolled out to a growing percentage of users. If crash rates… Canary RolloutNew📱Devices transition through stages in a 3D space, color changing as more devices receive the… Freemium Funnel DynamicsNew📱Track how free users convert to paid subscribers and how paid subscribers churn over time,… Freemium Funnel DynamicsNew📱Visualize the flow of users between free and paid states through liquid levels in tanks,… Offline SyncingNew📱Local write operations queue while offline and sync with the server once reconnected,… Offline SyncingNew📱Write operations queue locally. After syncing with an edge cache, they may still conflict… Offline Data CacheNew📱A local-first read cache with a staleness window ensures quick access to data within its… Offline Data CacheNew📱This TTL cache is visualized as a ring of 3D pedestals, where height and color represent… Frame Budget OptimizationNew📱Each frame has a fixed time budget. Exceeding this budget results in dropped frames, causing… Frame Budget OptimizationNew📱Visualize each frame as an instanced bar moving towards the camera. The translucent budget… Optimize Push NotificationsNew📱Adjust send times based on user engagement patterns to maximize open rates. Optimize Push NotificationsNew📱Visualize and rotate through a 24-hour clock to see when each user is most engaged. Certificate Pinning DefenseNew📱An app verifies the server's certificate fingerprint to prevent man-in-the-middle attacks. Certificate Pinning DefenseNew📱A spinning pin-check gate deflects packets with mismatched fingerprints from an interceptor… Mobile Security Risk AnalysisNew📱Assess risk across OWASP Mobile Top-10 attack surfaces by adjusting base likelihood and… Mobile Security Risk AnalysisNew📱Visualize mobile security risks with pylon heights representing live risk levels for each… Battery Life SimulatorNew📱Track how your device's screen, GPS, radio, and CPU activities deplete a real mAh battery… Battery Life SimulatorNew📱Visualize energy motes flowing from four 3D activity sources into a battery cell mesh, with… 5-Stage CPU Pipeline: Hazards & ForwardingNew📱Watch instructions flow through a classic 5-stage RISC pipeline (IF/ID/EX/MEM/WB) in 3D,… Cross-Platform Bridge Latency SimulatorNew📱An interactive 3D queueing simulation of a mobile framework's JS-to-native bridge: watch… Automated Market Maker — Constant-Product Liquidity PoolNew📱Interactive 3D constant-product AMM (x·y=k): swap tokens through a live liquidity pool,… Systolic Array Matrix MultiplierNew📱Watch the systolic array dataflow at the heart of every AI accelerator (TPU MXU, GPU tensor… Proxy Discrimination: Algorithmic Redlining LabNew📱Watch a 'neutral' zip-code proxy feature in a synthetic lending model quietly re-encode… Fill-in-the-Middle: AI Code Infilling SimulatorNew📱Watch an AI code model reconstruct a missing chunk of code token by token using the… Certainty Factor Propagation in Expert SystemsNew📱A MYCIN-style rule-based expert system where uncertain evidence carries a certainty factor… Fix Your Timestep: JS Animation Loop SimulatorNew📱Compare three requestAnimationFrame animation-loop strategies — naive variable dt, clamped… Mark-and-Sweep Garbage CollectorNew📱Watch a real mark-and-sweep garbage collector at work on a live 3D heap: allocate objects,… Easing Curves — Animation Timing Function ExplorerNew📱Watch five real easing formulas — linear, ease-out cubic, elastic, bounce, and a… Saga Pattern: Distributed Transactions Across MicroservicesNew📱Watch saga transactions flow through a chain of five microservices, trigger compensating… The Peeking Problem: A/B Test SignificanceNew📱Watch synthetic users stream into control and variant buckets while a live two-proportion… Switch-Access Scanning SimulatorNew📱Interactive 3D simulator of switch-access (row-column) scanning, the assistive input method… WCAG Contrast Ratio LabNew📱Interactive 3D simulator of the WCAG 2.x contrast-ratio formula: move a foreground and… Mobile Analytics Event Delivery SimulatorNew📱Watch a mobile analytics SDK's real event pipeline in 3D: events queue in a client-side… Touch Heatmap Tracker: Kernel Density Event TrackingNew📱Synthetic tap events stream onto a 3D phone screen and accumulate into a live kernel-density… Screen Reader Focus Order ExplorerNew📱Explore how VoiceOver and TalkBack traverse a mobile screen's accessibility tree in DOM… MVVM Data-Binding Glitch: Diamond Dependency PropagationNew📱An interactive 3D reactive dependency graph (Model → ViewModel → View) that shows the… Unidirectional State Flow & Time-Travel DebuggerNew📱An interactive 3D simulator of Redux/BLoC-style unidirectional state management used across… RPO/RTO Disaster Recovery SimulatorNew📱Strike a disaster anywhere on a 24-hour mobile-app backup timeline and watch the Recovery… Tree-Shaking Dependency Graph PrunerNew📱Interactive 3D module dependency graph: run depth-first reachability analysis from the app… Android Process Priority & Low-Memory Killer SimulatorNew📱Watch Android's real importance-tier system in action: apps age from Foreground through… Zero-Downtime Data Migration: Dual-Write & Backfill LabNew📱Interactive expand-contract database migration simulator: watch dual-writes and a live… Ad Mediation Waterfall vs Unified AuctionNew📱A 3D side-by-side simulator streams the same mobile ad-impression traffic through a… Mobile Device Farm Test SchedulerNew📱Interactive 3D simulator of a mobile CI/CD device farm: a greedy LPT bin-packing scheduler… In-Car Infotainment Glance-Time SimulatorNew📱Model a CarPlay/Android Auto touchscreen task as a sequence of eyes-off-road glances sized… App Standby Buckets: Background Job ThrottlingNew📱Watch a mobile app sink through Android's App Standby Bucket ladder (Active → Working Set →… Beta Tester Device Coverage OptimizerNew📱Watch the greedy set-cover algorithm mobile QA teams use to pick beta testers in action:… Gas Fee Market: EIP-1559 Mempool SimulatorNew📱Interactive 3D simulator of the Ethereum EIP-1559 gas-fee market that every mobile crypto… Rolling Shutter Distortion LabNew📱Watch a phone's CMOS sensor read a moving scene row by row and see the skewed photo it… Cyclomatic Complexity ExplorerNew📱Build a control-flow graph out of IF/ELSE branches, LOOPs and SWITCH statements and watch… Data Request SLA Compliance PipelineNew📱A 3D queueing simulator where GDPR, CCPA and HIPAA data-subject requests flow through a… Feature-Flag Rollout Bucketing SimulatorNew📱An interactive 3D population of app users shows the deterministic hash-bucketing algorithm… Crash Fingerprint Clustering SimulatorNew📱Watch the real fingerprint-hashing algorithm behind mobile crash reporters (Crashlytics,… Support Queue: Staffing & Wait-Time SimulatorNew📱An interactive M/M/c queueing simulation of a mobile-app support desk: tickets arrive as a… Mobile Cohort Retention CurveNew📱Watch daily install cohorts decay along a power-law retention curve on a live 3D cohort… Flash Storage Wear LevelingNew📱Interactive NAND-flash simulator for mobile storage: watch erase blocks wear unevenly under… Mobile Schema Migration Fleet SimulatorNew📱Watch a fleet of mobile devices climb a 3D staircase of local database schema versions as… Deferred Deep Link Attribution MatchingNew📱Watch install events get fingerprint-matched to prior ad clicks in a weighted-scoring… Deep Link Route ResolverNew📱Trace an incoming mobile deep-link URL node-by-node down a 3D radix trie, watch… DI Container Resolution GraphNew📱Watch a real depth-first dependency-injection resolver walk a mobile app's service graph,… Mobile App Store Staged Rollout SimulatorNew📱Watch a mobile app update roll out to a live 3D population of devices in staged percentage… Git Branching Model: Feature Flow & Merge Conflict RiskNew📱A live 3D commit-graph simulator: feature branches spawn off a growing main line, accumulate… Mobile CI/CD Runner Pool: Build Queue & Cache SimulatorNew📱A live discrete-event simulation of a mobile app CI/CD pipeline: parallel build runners pull… Edge Server Handoff: Mobility-Aware Migration SimulatorNew📱Drive a mobile device past a ring of edge-compute nodes and watch a hysteresis-based handoff… Adaptive Bitrate Streaming: Mobile Lecture BufferNew📱Interactive 3D simulator of the buffer-based (BBA) and throughput-based adaptive-bitrate… MDM Fleet Compliance EnforcementNew📱An interactive 3D fleet of 64 enterprise devices whose compliance risk drifts over time,… Foveated Rendering for Mobile XRNew📱Interactive 3D simulator of gaze-tracked foveated rendering for mobile AR/VR headsets: a… Feature Flag Combinatorics: The State-Space ExplosionNew📱Interactive 3D hypercube simulator showing how each extra boolean feature flag doubles an… Mobile-First Breakpoint Cascade SimulatorNew📱Interactive 3D simulator of mobile-first CSS breakpoint cascades: drag a viewport-width… Delivery Dispatch Matching SimulatorNew📱Watch a real greedy minimum-cost bipartite matcher assign incoming food-delivery orders to… Debounced Form Validation — Mobile Input Timing LabNew📱Type into a live mobile email field and watch a real debounce timer, network-validation… Mobile Localization Text-Expansion & UI Overflow LabNew📱Fifteen real translations of "Add to Cart" rendered as 3D mobile buttons, each measured… Bidi Reordering Lab: The Unicode Bidirectional AlgorithmNew📱Build a mixed left-to-right / right-to-left token sequence and watch the real Unicode… CLDR Plural Rules ExplorerNew📱An interactive 3D visualizer for the Unicode CLDR plural-rules algorithm behind mobile i18n:… Mobile Log Aggregation: Token-Bucket Rate Limiting & Priority SamplingNew📱Interactive 3D simulator of a mobile log-aggregation pipeline: DEBUG/INFO/WARN/ERROR/FATAL… ARC Retain Cycle LabNew📱Interactive 3D reference-counting simulator: allocate heap objects, wire strong and weak… Navigation Back-Stack & Memory Eviction SimulatorNew📱Push and pop screens on a 3D mobile navigation back-stack, watch the OS evict backgrounded… Onboarding Funnel Drop-off SimulatorNew📱Watch a live cohort of instanced particles flow through four onboarding gates — Welcome,… Permission Priming: Just-in-Time vs Upfront RequestsNew📱An interactive 3D simulator where synthetic users flow through four sequential mobile OS… Subscription Payment Retry CascadeNew📱Watch a ring of 180 mobile subscribers get billed each cycle, decline for insufficient… Frame-Time Monitor: Jank & FPS PercentilesNew📱Watch a live frame-time telemetry stream from a mobile app's UI thread: tune workload,… Frame-Budget Tier Ladder: Progressive Enhancement SimulatorNew📱A hysteresis state machine watches a smoothed frame-time budget and walks a five-rung… Push Campaign Segmentation: Marginal-Return Budget AllocatorNew📱A diminishing-returns model of push-notification budget allocation across four user segments… Push Notification Doze Gate: Priority, Collapse-Key & TTLNew📱An interactive 3D model of a mobile push pipeline: high vs normal priority messages,… Real-Time Message Jitter BufferNew📱Watch a live WebSocket/push-style message stream cross a jittery, lossy network, queue in a… Release Train & Code Freeze Boarding SimulatorNew📱Interactive 3D model of a fixed-cadence mobile release train: features become ready at… Doze Mode Wake-Lock Budget SimulatorNew📱Interactive 3D model of Android's Doze idle-maintenance resource governor: background apps… Social Feed Ranking Algorithm SimulatorNew📱An interactive 3D simulator of a mobile app's feed-ranking pipeline: posts reorder live as… Normalized vs Denormalized State: Cache Drift SimulatorNew📱An interactive 3D simulator of client-side state normalization: dispatch updates to a single… Fine-Grained Reactivity: Observable Dependency GraphNew📱An interactive 3D dependency graph showing how MobX-style fine-grained reactive state tracks… Flaky Test Detector: Sequential Probability Ratio TestNew📱Watch Wald's Sequential Probability Ratio Test classify a mobile CI test as reliable or… Mobile Test Pyramid: Coverage vs. Cost vs. FlakinessNew📱Interactive 3D testing-pyramid simulator: shape a mobile app's unit / integration / UI test… Mobile Performance Test Gate: Cold Start & Frame BudgetNew📱Interactive 3D mobile performance-testing simulator: a Gantt timeline of a cold-start… DEX Method-Count Bin Packer: Multidex SDK IntegrationNew📱Toggle common third-party mobile SDKs and watch a real bin-packing algorithm split their… Main Thread vs. Background Pool: Frame 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