Posts

Catalog

• #Gallery

• #Gallery

  • #An tSiúir
  • #Matured 32 Days Wagyu
  • #Misc
  • #Treasures

• #Intro

• #Life

  • #See You 2024

• #Music

  • #J-50

• #Projects

  • #29 Bugs From One Code Review: What a Zero-Test NestJS OJ Taught Me
  • #34 Algorithm Visualizations in 2 Weeks
  • #AI Trading System: Bull vs Bear Before Every Trade
  • #AI-Driven Game Design: From Protocol Spec to Leaderboard in One Shot
  • #Alchemy: Rethinking How ML Experiments Are Orchestrated
  • #AVM in Production: What We Actually Learned
  • #AVM Multi-Agent Benchmark: 60x Performance Gain & Memory's Real Value
  • #AVM Performance Analysis: Benchmarks and Optimizations
  • #AVM: Mounting AI Agent Memory as a Filesystem
  • #AVM: Rethinking Memory for AI Agents
  • #Building a 3D Animal Crossing World in SceneKit
  • #Building a Userspace Sandbox for Student Code: 3 Hours of Red-Teaming
  • #Code Review: Strata & branchfs — What I Found
  • #Commit Message Craft: What Your Git Log Says About You
  • #CUDA Agent Paper Review: Teaching LLMs to Write Fast GPU Kernels via RL
  • #Drawing Letters with Fourier Epicycles
  • #Faster Diffusion Sampling: Numerical Methods Meet Score-Based Models
  • #From a Hand-Rolled Queue to Bull: Redesigning the Judge Pipeline
  • #JWT vs Session: Why We Replaced the Entire Auth System
  • #Leverage OJ Frontend Rewrite: Nuxt 4 + Naive UI SPA
  • #nest-faster-crud: Zero-Boilerplate CRUD for NestJS
  • #Nuxt 4 Compat Mode Silently Breaks When You Pass CLI Args Wrong
  • #Rebuilding an Online Judge from Scratch: A Full-Stack Refactor Story
  • #RedScript 2.0–2.2: From Toy to Proper Language
  • #RedScript v1.2: A Typed Language for Minecraft Datapacks
  • #RedScript v1.2.25: Entity Types, Variable Mangling, and CI Automation
  • #RedScript v1.2.26: Math & Vector Stdlib, BigInt, and Compiler Bug Fixes
  • #RedScript v1.2.27: BigInt Verified in Real Minecraft
  • #RedScript: Compiling a C-Style Language to Minecraft mcfunction
  • #Refactoring a Production OJ: From Tech Debt to Clean Architecture
  • #Sandboxing Student Code in Serverless: A Threat Model
  • #Sandlock v1.4: From Single File to Full-Stack Sandbox
  • #Security Audit of a Refactored NestJS App: What We Found
  • #Shimmy WASM: When the Security Model Has No Syscalls
  • #The Serverless Sandbox Landscape: From ptrace to Dandelion
  • #The Trading Bot That Saw the Same Market Twice
  • #TypeORM Migrations in Production: From synchronize:true to Proper Migrations
  • #WASM vs seccomp: Benchmarking Sandbox Startup for a Code Grader
  • #What I Built in April 2026
  • #Why the OJ Leaderboard Froze — and How Redis Sorted Sets Fixed It

• #Redscript

  • #RedScript v2.5.0: Double Precision, N-Order Bezier & Stdlib Overhaul

• #Type Challenge Explained

  • #Easy
    0004 · Pick0007 · Readonly0011 · Tuple to Object0014 · First of Array0018 · Length of Tuple0043 · Exclude0106 · TrimLeft0189 · Awaited0268 · If0459 · Flatten0533 · Concat0898 · Includes3057 · Push3060 · Unshift3312 · Parameters
  • #Hard
    CamelCaseSimple VueSplitString to NumberUnion to IntersectionUnion to Tuple
  • #Medium
    19749 · IsEqual34007 · CompareArrayLength34857 · DefinedPartialRecord35045 · LongestCommonPrefix35191 · Trace35252 · IsAlphabet35991 · MyUppercase4499 · Chunk531. String to Union645 - DiffAbsoluteAllAll CombinationsAppear Only OnceAppend ArgumentAppend to ObjectBEM style stringCapitalizeCartesianProductCheck Repeated CharsCheckRepeatedTupleCombinationCombination key typeConstruct TupleCount Element Number To ObjectDeep OmitDeepMutableDrop CharEndsWithExtractToObjectFibonacci SequenceFillFilterFindAllFirst Unique Char IndexFlattenFlatten DepthFlipFlip ArgumentsGet Middle ElementGreater ThanIndexOfInorder TraversalIntegerIsFixedStringLiteralTypeIsNeverIsOddIsTupleIsUnionJoinJSON Schema to TypeScriptLastIndexOfLength of StringMapTypesMergeMergeAllMinus OneMutableNumber RangeObjectEntriesOmitByTypeParse URL ParamsPartialByKeysPascal's trianglePercentage ParserPermutationPermutations of TuplePickByTypePromise.allPublic TypeRemove Index SignatureReplaceReplace FirstReplaceAllReplaceKeysRequiredByKeysReverseShiftSquareStartsWithSubsequenceTC949: AnyOfTODOTODOToPrimitiveTower of HanoiTransposeTriangular NumberTrim RightTruncTuple to Nested ObjectTypeChallenge 612: KebabCaseZip元组转合集最后一个元素去除两端空白字符去除左侧空白去除数组指定元素去除数组指定元素去除数组指定元素可串联构造器实现 Omit实现 Pick Pick对象属性只读（递归）排除最后一项查找类型获取函数返回类型
  • #Tail Recursion
  • #TS-Math
  • #Type Challenge Validation Report
  • #TypeChallenge - Easy Series
  • #TypeChallenge - Easy Series Index
  • #TypeChallenge - Hard series Index
  • #TypeChallenge - Meduim series Index
  • #Utils
    IsEqual