Merge 4e2c1401cc into c56186ac2d

Create codeql.yml

.github/workflows/codeql.yml

@@ -0,0 +1,96 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL Advanced"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  schedule:
+    - cron: '30 22 * * 4'
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    # Runner size impacts CodeQL analysis time. To learn more, please see:
+    #   - https://gh.io/recommended-hardware-resources-for-running-codeql
+    #   - https://gh.io/supported-runners-and-hardware-resources
+    #   - https://gh.io/using-larger-runners (GitHub.com only)
+    # Consider using larger runners or machines with greater resources for possible analysis time improvements.
+    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    permissions:
+      # required for all workflows
+      security-events: write
+
+      # required to fetch internal or private CodeQL packs
+      packages: read
+
+      # only required for workflows in private repositories
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        # CodeQL supports the following values keywords for 'language': 'actions', 'c-cpp', 'csharp', 'go', 'java-kotlin', 'javascript-typescript', 'python', 'ruby', 'swift'
+        # Use `c-cpp` to analyze code written in C, C++ or both
+        # Use 'java-kotlin' to analyze code written in Java, Kotlin or both
+        # Use 'javascript-typescript' to analyze code written in JavaScript, TypeScript or both
+        # To learn more about changing the languages that are analyzed or customizing the build mode for your analysis,
+        # see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/customizing-your-advanced-setup-for-code-scanning.
+        # If you are analyzing a compiled language, you can modify the 'build-mode' for that language to customize how
+        # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    # Add any setup steps before running the `github/codeql-action/init` action.
+    # This includes steps like installing compilers or runtimes (`actions/setup-node`
+    # or others). This is typically only required for manual builds.
+    # - name: Setup runtime (example)
+    #   uses: actions/setup-example@v1
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.build-mode }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+
+        # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+        # queries: security-extended,security-and-quality
+
+    # If the analyze step fails for one of the languages you are analyzing with
+    # "We were unable to automatically build your code", modify the matrix above
+    # to set the build mode to "manual" for that language. Then modify this step
+    # to build your code.
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+    - if: matrix.build-mode == 'manual'
+      shell: bash
+      run: |
+        echo 'If you are using a "manual" build mode for one or more of the' \
+          'languages you are analyzing, replace this with the commands to build' \
+          'your code, for example:'
+        echo '  make bootstrap'
+        echo '  make release'
+        exit 1
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"

README.md

@@ -1,4 +1,4 @@
-[![Banner](https://codecrafters.io/images/new-ccgithub-banner.png)](https://codecrafters.io/github-banner)
+[![Banner](https://codecrafters.io/images/new-byox-banner.gif)](https://codecrafters.io/github-banner)
 
 ## Build your own <insert-technology-here>
 
@@ -9,7 +9,6 @@ This repository is a compilation of well-written, step-by-step guides for re-cre
 It's a great way to learn.
 
 * [3D Renderer](#build-your-own-3d-renderer)
-* [AI Model](#ai-model)
 * [Augmented Reality](#build-your-own-augmented-reality)
 * [BitTorrent Client](#build-your-own-bittorrent-client)
 * [Blockchain / Cryptocurrency](#build-your-own-blockchain--cryptocurrency)
@@ -21,12 +20,10 @@ It's a great way to learn.
 * [Front-end Framework / Library](#build-your-own-front-end-framework--library)
 * [Game](#build-your-own-game)
 * [Git](#build-your-own-git)
-* [Memory Allocator](#build-your-own-memory-allocator)
 * [Network Stack](#build-your-own-network-stack)
 * [Neural Network](#build-your-own-neural-network)
 * [Operating System](#build-your-own-operating-system)
 * [Physics Engine](#build-your-own-physics-engine)
-* [Processor](#build-your-own-processor)
 * [Programming Language](#build-your-own-programming-language)
 * [Regex Engine](#build-your-own-regex-engine)
 * [Search Engine](#build-your-own-search-engine)
@@ -41,9 +38,6 @@ It's a great way to learn.
 
 ## Tutorials
 
-#### Build your own `Distributed Systems`
-* [**Java**: _Building Your Own Kafka-like System From Scratch: A Step-by-Step Guide_](https://github.com/buildthingsuseful/build-your-own-kafka)
-
 #### Build your own `3D Renderer`
 
 * [**C++**: _Introduction to Ray Tracing: a Simple Method for Creating 3D Images_](https://www.scratchapixel.com/lessons/3d-basic-rendering/introduction-to-ray-tracing/how-does-it-work)
@@ -58,11 +52,6 @@ It's a great way to learn.
 * [**JavaScript / Pseudocode**: _Computer Graphics from scratch_](http://www.gabrielgambetta.com/computer-graphics-from-scratch/introduction.html)
 * [**Python**: _A 3D Modeller_](http://aosabook.org/en/500L/a-3d-modeller.html)
 
-#### Build your own `AI Model`
-* [**Python**: _A Large Language Model (LLM)_](https://github.com/rasbt/LLMs-from-scratch)
-* [**Python**: _Diffusion Models for Image Generation_](https://huggingface.co/learn/diffusion-course/en/unit1/3)
-* [**Python**: _RAG for Document Search_](https://github.com/langchain-ai/rag-from-scratch)
-
 #### Build your own `Augmented Reality`
 
 * [**C#**: _How To: Augmented Reality App Tutorial for Beginners with Vuforia and Unity 3D_](https://www.youtube.com/watch?v=uXNjNcqW4kY) [video]
@@ -83,6 +72,7 @@ It's a great way to learn.
 #### Build your own `Blockchain / Cryptocurrency`
 
 * [**ATS**: _Functional Blockchain_](https://beta.observablehq.com/@galletti94/functional-blockchain)
+* [**C#**: _Programming The Blockchain in C#_](https://programmingblockchain.gitbooks.io/programmingblockchain/)
 * [**Crystal**: _Write your own blockchain and PoW algorithm using Crystal_](https://medium.com/@bradford_hamilton/write-your-own-blockchain-and-pow-algorithm-using-crystal-d53d5d9d0c52)
 * [**Go**: _Building Blockchain in Go_](https://jeiwan.net/posts/building-blockchain-in-go-part-1/)
 * [**Go**: _Code your own blockchain in less than 200 lines of Go_](https://medium.com/@mycoralhealth/code-your-own-blockchain-in-less-than-200-lines-of-go-e296282bcffc)
@@ -115,7 +105,7 @@ It's a great way to learn.
 * [**Node.js**: _Building A Simple AI Chatbot With Web Speech API And Node.js_](https://www.smashingmagazine.com/2017/08/ai-chatbot-web-speech-api-node-js/)
 * [**Python**: _How to Build Your First Slack Bot with Python_](https://www.fullstackpython.com/blog/build-first-slack-bot-python.html)
 * [**Python**: _How to build a Slack Bot with Python using Slack Events API & Django under 20 minute_](https://medium.com/freehunch/how-to-build-a-slack-bot-with-python-using-slack-events-api-django-under-20-minute-code-included-269c3a9bf64e)
-* [**Python**: _Build a Reddit Bot_](https://pythonforengineers.com/blog/build-a-reddit-bot-part-1/)
+* [**Python**: _Build a Reddit Bot_](http://pythonforengineers.com/build-a-reddit-bot-part-1/)
 * [**Python**: _How To Make A Reddit Bot_](https://www.youtube.com/watch?v=krTUf7BpTc0) [video]
 * [**Python**: _How To Create a Telegram Bot Using Python_](https://www.freecodecamp.org/news/how-to-create-a-telegram-bot-using-python/)
 * [**Python**: _Create a Twitter Bot in Python Using Tweepy_](https://medium.freecodecamp.org/creating-a-twitter-bot-in-python-with-tweepy-ac524157a607)
@@ -143,8 +133,7 @@ It's a great way to learn.
 * [**C#**: _Build Your Own Database_](https://www.codeproject.com/Articles/1029838/Build-Your-Own-Database)
 * [**Clojure**: _An Archaeology-Inspired Database_](http://aosabook.org/en/500L/an-archaeology-inspired-database.html)
 * [**Crystal**: _Why you should build your own NoSQL Database_](https://medium.com/@marceloboeira/why-you-should-build-your-own-nosql-database-9bbba42039f5)
-* [**Go**: _Build Your Own Database from Scratch: From B+Tree To SQL in 3000 Lines_](https://build-your-own.org/database/)
-* [**Go**: _Code a database in 45 steps: a series of test-driven small coding puzzles_](https://trialofcode.org/database/)
+* [**Go**: _Build Your Own Database from Scratch: Persistence, Indexing, Concurrency_](https://build-your-own.org/database/)
 * [**Go**: _Build Your Own Redis from Scratch_](https://www.build-redis-from-scratch.dev/)
 * [**JavaScript**: _Dagoba: an in-memory graph database_](http://aosabook.org/en/500L/dagoba-an-in-memory-graph-database.html)
 * [**Python**: _DBDB: Dog Bed Database_](http://aosabook.org/en/500L/dbdb-dog-bed-database.html)
@@ -242,10 +231,6 @@ It's a great way to learn.
 * [**Python**: _ugit: Learn Git Internals by Building Git Yourself_](https://www.leshenko.net/p/ugit/)
 * [**Ruby**: _Rebuilding Git in Ruby_](https://robots.thoughtbot.com/rebuilding-git-in-ruby)
 
-#### Build your own `Memory Allocator`
-
-* [**C**: _Malloc is not magic -- Implementing your own memory allocator_](https://medium.com/p/e0354e914402)
-
 #### Build your own `Network Stack`
 
 * [**C**: _Beej's Guide to Network Programming_](http://beej.us/guide/bgnet/)
@@ -256,8 +241,7 @@ It's a great way to learn.
 #### Build your own `Neural Network`
 
 * [**C#**: _Neural Network OCR_](https://www.codeproject.com/Articles/11285/Neural-Network-OCR)
-* [**F#**: _Building Neural Networks in F#: Part 1_](https://medium.com/data-science/building-neural-networks-in-f-part-1-a2832ae972e6)
-* [**F#**: _Building Neural Networks in F#: Part 2_](https://medium.com/data-science/building-neural-networks-in-f-part-2-training-evaluation-5e3a68889da6)
+* [**F#**: _Building Neural Networks in F#_](https://towardsdatascience.com/building-neural-networks-in-f-part-1-a2832ae972e6)
 * [**Go**: _Build a multilayer perceptron with Golang_](https://made2591.github.io/posts/neuralnetwork)
 * [**Go**: _How to build a simple artificial neural network with Go_](https://sausheong.github.io/posts/how-to-build-a-simple-artificial-neural-network-with-go/)
 * [**Go**: _Building a Neural Net from Scratch in Go_](https://datadan.io/blog/neural-net-with-go)
@@ -270,7 +254,6 @@ It's a great way to learn.
 * [**Python**: _Generate Music using LSTM Neural Network in Keras_](https://towardsdatascience.com/how-to-generate-music-using-a-lstm-neural-network-in-keras-68786834d4c5)
 * [**Python**: _An Introduction to Convolutional Neural Networks_](https://victorzhou.com/blog/intro-to-cnns-part-1/)
 * [**Python**: _Neural Networks: Zero to Hero_](https://www.youtube.com/playlist?list=PLAqhIrjkxbuWI23v9cThsA9GvCAUhRvKZ)
-* [**Python**: _SlowTorch: Implementation of PyTorch from the ground up in 100% pure Python_](https://github.com/xames3/slowtorch)
 
 #### Build your own `Operating System`
 
@@ -304,10 +287,6 @@ It's a great way to learn.
 * [**JavaScript**: _Broad Phase Collision Detection Using Spatial Partitioning_](http://buildnewgames.com/broad-phase-collision-detection/)
 * [**JavaScript**: _Build a simple 2D physics engine for JavaScript games_](https://developer.ibm.com/tutorials/wa-build2dphysicsengine/?mhsrc=ibmsearch_a&mhq=2dphysic)
 
-#### Build your own `Processor`
-
-* [**Verilog**: _From Blinker to RISC-V_](https://github.com/BrunoLevy/learn-fpga/tree/master/FemtoRV/TUTORIALS/FROM_BLINKER_TO_RISCV)
-
 #### Build your own `Programming Language`
 
 * [**(any)**: _mal - Make a Lisp_](https://github.com/kanaka/mal#mal---make-a-lisp)
@@ -348,6 +327,7 @@ It's a great way to learn.
 * [**Racket**: _Beautiful Racket: How to make your own programming languages with Racket_](https://beautifulracket.com/)
 * [**Ruby**: _A Compiler From Scratch_](https://www.destroyallsoftware.com/screencasts/catalog/a-compiler-from-scratch)
 * [**Ruby**: _Markdown compiler from scratch in Ruby_](https://blog.beezwax.net/2017/07/07/writing-a-markdown-compiler/)
+* [**Rust**: _So You Want to Build a Language VM_](https://blog.subnetzero.io/post/building-language-vm-part-00/)
 * [**Rust**: _Learning Parser Combinators With Rust_](https://bodil.lol/parser-combinators/)
 * [**Swift**: _Building a LISP from scratch with Swift_](https://www.uraimo.com/2017/02/05/building-a-lisp-from-scratch-with-swift/)
 * [**TypeScript**: _Build your own WebAssembly Compiler_](https://blog.scottlogic.com/2019/05/17/webassembly-compiler.html)
@@ -408,6 +388,7 @@ It's a great way to learn.
 #### Build your own `Voxel Engine`
 
 * [**C++**: _Let's Make a Voxel Engine_](https://sites.google.com/site/letsmakeavoxelengine/home)
+* [**Java**: _Java Voxel Engine Tutorial_](https://www.youtube.com/watch?v=QZ4Vk2PkPZk&list=PL80Zqpd23vJfyWQi-8FKDbeO_ZQamLKJL) [video]
 
 #### Build your own `Web Browser`
 
@@ -431,7 +412,6 @@ It's a great way to learn.
 #### Uncategorized
 
 * [**(any)**: _From NAND to Tetris: Building a Modern Computer From First Principles_](http://nand2tetris.org/)
-* [**(any)**:  build-your-own-x-vibe-coding: BYOX-style tutorials adapted for vibe coding](https://github.com/inFaaa/build-your-own-x-vibe-coding)
 * [**Alloy**: _The Same-Origin Policy_](http://aosabook.org/en/500L/the-same-origin-policy.html)
 * [**C**: _How to Write a Video Player in Less Than 1000 Lines_](http://dranger.com/ffmpeg/ffmpeg.html)
 * [**C**: _Learn how to write a hash table in C_](https://github.com/jamesroutley/write-a-hash-table)
@@ -470,7 +450,6 @@ It's a great way to learn.
 * [**Node.js**: _Building A Simple Single Sign On(SSO) Server And Solution From Scratch In Node.js._](https://codeburst.io/building-a-simple-single-sign-on-sso-server-and-solution-from-scratch-in-node-js-ea6ee5fdf340)
 * [**Node.js**: _How to create a real-world Node CLI app with Node_](https://medium.freecodecamp.org/how-to-create-a-real-world-node-cli-app-with-node-391b727bbed3)
 * [**Node.js**: _Build a DNS Server in Node.js_](https://engineerhead.github.io/dns-server/)
-* [**Node.js**: _Build a Synchronization Engine with Node.js and Y.js_](https://greenvitriol.com/posts/sync-engine-for-everyone)
 * [**PHP**: _Write your own MVC from scratch in PHP_ ](https://chaitya62.github.io/2018/04/29/Writing-your-own-MVC-from-Scratch-in-PHP.html)
 * [**PHP**: _Make your own blog_](https://ilovephp.jondh.me.uk/en/tutorial/make-your-own-blog)
 * [**PHP**: _Modern PHP Without a Framework_](https://kevinsmith.io/modern-php-without-a-framework)

SECURITY.md

@@ -0,0 +1,21 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Use this section to tell people how to report a vulnerability.
+
+Tell them where to go, how often they can expect to get an update on a
+reported vulnerability, what to expect if the vulnerability is accepted or
+declined, etc.