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My answers to LeetCode, HackerRank, company code challenge problems, + "Cracking the Coding Interview." All my Data Structures + Algorithm posts: https://www.linkedin.com/search/results/all/?keywords=%23raymonddsa&sid=4YJ. Join our Slack group "LinkedIn Junior Engineers": https://bit.ly/3P7tMjaFAANG_interview_prep
Interview prep materials sent me by FAANG companies. My LinkedIn post: https://bit.ly/3XWlwHX. Google Tech Dev Guide: https://techdevguide.withgoogle.com. Google Interview Prep: https://techdevguide.withgoogle.com/paths/interviewcodility
Solutions to all 17 Codility lessons in data structures and algorithms.Princeton-Algorithms-Java
My solutions to Robert Sedgewick's fantastic Princeton courses on Algorithms/Data Structures (http://algs4.cs.princeton.edu/home/) and Intro to Programming in Java (http://introcs.cs.princeton.edu/java/home/)eloquent-js
Homework problems/examples from book "Eloquent JavaScript." Tests are in Jest.ProjectEuler-and-Algorithms
50 Project Euler solutions (http://projecteuler.net/problems)! CodeEval (https://www.codeeval.com/open_challenges/) and algorithm problems. See /euler, /codeeval, and /algo directories. Please do NOT see my solution for a problem unless you have first tried it yourself. (Also, see my repo on RubyQuiz, CodeWars, InterviewCake, and other challenge questions. Plus see my Test-First Ruby and App Academy solutions.)poodr
My notes for Sandi Metz's great OOD book, "Practical Object-Oriented Design in Ruby." Rewrote her tests from Minitest to RSpec.go-database
Golang In-Memory Database, from scratch. For a code challenge.create-your-own-programming-language
Making my own programming language, following ideas of Marc-Andrรฉ Cournoyer.rebuilding-rails
Built a simple version of Rails, completely from SCRATCH. My version of "Rebuilding Rails" by Noah Gibbs.software_salaries
Latest US software salary reports. My 2023 post on it: https://www.linkedin.com/posts/activity-7039071885044682752-M4i9qa-dominos
QA end-to-end test of Domino's Pizza website, with Cypress. LinkedIn post: https://bit.ly/3x0bYPXgo-interpreter-compiler
My own interpreter and compiler in Golang, for Monkey programming languagegriddy
Golang project reads in start/end times and returns average real-time energy price (cents/kWh) from Commonwealth Edisoncherry
Online Ruby code editor and RSpec tester (REPL). Upload your RSpec tests. Upload your Ruby code. Edit your code online directly. Test it with 1 click! See my video demo of it on YouTube:rubyquiz
My answers to RubyQuiz, CodeWars, InterviewCake, and other coding challenge sites. (Also, see my repos on Project Euler and algorithms, Test-First Ruby, and App Academy problems.)react-fish-store
Seafood market in React.js. Authenticated users can add/edit/delete fish details and customer orders, in real-time.codementor
Codementor projects, including sample Yelp restaurant challenge for OneInterviewelixir-web-server
Making HTTP web server (a mini Phoenix) from scratch in Elixirrsvp-app
Ruby on Rails app. Lets you invite users to events and RSVP for all users at once. Lets you create/delete events. A super simple version of Evite.rayning0
Stanford-Machine-Learning
I took part of Andrew Ng's Machine Learning class at Stanford. See folders called "/ex" for my homework solutions. We used Octave and Gnuplot to analyze and plot data.owning-rails
Building mini-version of Ruby on Rails from scratch, following ideas of Marc-Andrรฉ Cournoyerrayplay
Play YouTube videos repeatedly and make your own playlist, with YouTube API v3 and Fullscreen's yt gem. Try it: http://rayplay.herokuapp.com.fingerprint-management-ruby-003
A lab on fingerprint recognitionnand2tetris
Nand2Tetris (http://www.nand2tetris.org), or Harvard CS 101. Building the hardware/software of a virtual computer from ground up.game-of-life-ruby
My 2 versions of Game of Life, in Ruby, with TDD: 1) Color graphics version, with Gosu. 2) Text version, with Unicode characters. See YouTube video of my game: https://www.youtube.com/watch?v=WsJ4qKSq_FcApp-Academy-Practice-Problems
Practice problems for App Academy, using RSpec for Test-Driven Development. My solutions are in /lib directory. App Academy's solutions are in /solution directory.rspec_maker
Automatically makes RSpec & Minitest test files, given an input data filealgorithms_coursera
Learning algorithms via Sedgewick's Algorithms I & II class on Coursera.Test-First-Ruby
Practice problems from Test-First Ruby (http://testfirst.org/learn_ruby). My solutions are in /lib directory.suretax
Modified version of "suretax" gem. Calls SureTax API to get tax info, given ZIP code, etc.maze-solver-ruby-003
Implementing breadth-first-search algorithmzprofile
My .zprofile, aliases, and VS Code settings. Instead of copying VS Code settings files, use Settings Sync: https://code.visualstudio.com/docs/editor/settings-synctwitter-stream
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