Skip to content

Instantly share code, notes, and snippets.

View acoravos's full-sized avatar

Andy Coravos acoravos

View GitHub Profile
@dylanmckay
dylanmckay / facebook-contact-info-summary.rb
Last active March 12, 2024 22:46
A Ruby script for collecting phone record statistics from a Facebook user data dump
#! /usr/bin/env ruby
# NOTE: Requires Ruby 2.1 or greater.
# This script can be used to parse and dump the information from
# the 'html/contact_info.htm' file in a Facebook user data ZIP download.
#
# It prints all cell phone call + SMS message + MMS records, plus a summary of each.
#
# It also dumps all of the records into CSV files inside a 'CSV' folder, that is created
@yossorion
yossorion / what-i-wish-id-known-about-equity-before-joining-a-unicorn.md
Last active June 25, 2024 07:29
What I Wish I'd Known About Equity Before Joining A Unicorn

What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would

require 'react/jsx/template'
class React::JSX::Template
SYNTAX_ERROR_MESSAGE = /SyntaxError: unknown: Unexpected token \((\d+):(\d+)\)/
def evaluate_with_better_errors(scope, locals, &block)
evaluate_without_better_errors(scope, locals, &block)
rescue ExecJS::RuntimeError => error
@stujo
stujo / ar-relations.md
Last active August 29, 2015 14:23
Active Record Associations Overview

Active Record Associations

Overview

  • belongs_to
  • has_many
  • has_many :through
  • ActiveRecord::Relation
  • Remember: Models are not Migrations

Rails Guides

@tsiege
tsiege / The Technical Interview Cheat Sheet.md
Last active July 20, 2024 16:44
This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






\

@parambirs
parambirs / s4di_ch01_exercises.sc
Last active August 14, 2019 23:11
Solutions for "Scala for the Impatient", chapter 1 exercises
package src.exercises
import scala.math._
import BigInt.probablePrime
import util.Random
object chap01 {
// 1. In the Scala REPL, type 3. followed by the Tab key. What methods can be
// applied?
// => Do it in REPL. There are many methods including %, &, *, +, toByte, toChar etc.
@lfender6445
lfender6445 / gist:9919357
Last active July 3, 2024 20:50
Pry Cheat Sheet

Pry Cheat Sheet

Command Line

  • pry -r ./config/app_init_file.rb - load your app into a pry session (look at the file loaded by config.ru)
  • pry -r ./config/environment.rb - load your rails into a pry session

Debugger

Linux fun-o-matic

How to have some fun using the terminal.

  1. Install cowsay [0] via : sudo apt-get install cowsay
  2. Install fortune [1] via : sudo apt-get install fortune
  3. Make sure you have Ruby installed via : ruby -v
  4. Install the lolcat [2] via : gem gem install lolcat
  5. Profit!

Recursion

What is recursion?

A recursive function is a function that makes a call to itself.

To prevent infinite recursion, you need at least one branch (i.e. of an if/else statement) that does not make a recursive call. Branches without recursive calls are called base cases; branches with recursive calls are called recursive cases.

def factorial_recursive(n)
 if n == 0