https://www.mattangriffel.com/ Co-founder of One Month. Faculty at Columbia Business School. I write about startups, technology, and philosophy.

     



38 Stories by Mattan Griffel

Admitting When Things Aren’t Perfect

No you’re not perfect but you’re not your mistakes. — Kayne West We tend to have a hard time admitting when things aren’t going great. When...
0 2 min read

Ruby Tutorial: Map vs. Each

What’s the difference between map and each? Let’s start with the concept of iteration: Iteration is the process of doing something over and over....
0 2 min read

How to Develop A Daily Writing Habit

One of my health habits is a daily writing habit. Last year, one of my goals for 2014 was to write daily. I’m happy...
1 5 min read

Coding Challenge: 3 Ways to Make Sure You Finish Every Course You Start

Listen, I’ll be the first to admit I can be incredibly lazy. If you give me five minutes to finish a project, I’ll do...
0 4 min read

10 Reasons Beginners Should Learn Ruby on Rails

If you’re new to programming, what language should you learn first? I often get asked the question: “What programming language should I learn?” If you’re...
6 3 min read

The Case for Online Education

I have a prediction: Not only will online education eventually be as good as offline education, it will be better. The honeymoon is over. People...
0 2 min read

How to Learn Ruby on Rails

Ruby on Rails is a coding framework that allows you to build websites quickly. In this short blog post I’d like to answer: Why...
0 1 min read

The Lean Marketing Framework

The most common questions I hear from startups are… “How can I get more users?” “What can I do I keep current users engaged?”...
0 2 min read

Y Combinator and The One Metric that Matters

It’s been a little while since I’ve written about growth hacking and I wanted to write about my experience with growth hacking since going...
0 2 min read