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Ori Marash

📍 London, GB

Stubbing Rails.cache.fetch in Minitest

If you've got some code that's calling Rails.cache.fetch and you want to test that it's working properly, you can use the following method helper to stub the cache: def stub_rails_cache(&block) @cache = {} cache_strategy = ->(key, &block)

The difference between projects and actions

I've been tinkering with my to-do list system for ages but I keep coming back to the approach I read about in Getting Things Done by David Allen. In my system, I separate between "Projects" and "Actions". In my projects file, I write down

A bot that moderates a game

Two Rooms One Boom is a game which I learned how to play in Year 9. We called it Communists and Americans but I think the game developers wanted something more PG. To play it, you need to deal each player a card. You can't really do this

Building a custom site generator for my computer science coursework

For my computer science coursework (which will have a writeup later), I need to write a report. This report is important as it is the main factor in influencing how many marks I get. I have a few requirements for how I'd like to edit this report: * Seperate

Creating an authentication system using Firebase and React

Firebase is great because it lets you plug in an authentication system super easily. Basically, all you have to do is write something like: firebase.auth().signIn() and bam! Your user is signed in. It's a bit more complicated than that but we don't have to

Creating an analysis tool for department heads

In my school, we use a tool called "Canvas" to manage the homework, tests, lessons, etc. in school. Canvas is open-sourced (all the code is on GitHub), so editing the code is quite easy. However, since my school opted for a hosted solution rather than a self-hosted one,

Calibrating photo multiplier tubes to detect dark matter (Weizmann Institute summer camp)

To prove the existence of dark matter, you need to detect super-radiation from particles under specific conditions. My team's task was to calibrate very senesitve light sensors (called photo-multiplier tubes or PMTs) so we could analyse where the radiation was coming from. This all happened over two weeks

Creating a competition using Firebase realtime PubSub

As part of a school fundraiser, our class had to find some way to raise money for a charity. One of the students in our class (Miles Hinders-Green) had the idea to run a contest to see who could get the furthest away from school in 10 minutes. Felix Ronneberger

My TEDx talk on project-based learning

Here's a link to my TedX talk on Youtube: https://www.youtube.com/watch?v=i1_AlvWJiH4 Following is the transcript. Going to Mathsland For the past few years, I’ve been trying to learn French. I’ve used a range of apps, studied the dictionary, learned the

Running a programming club in high school

I'm legally required to say that we don't hack computers, we're just program. (I promise!) Hack Club is a programming club I run in my school every Tuesday at 4 pm. It is part of a larger group of Hack Clubs run all over