lambdaydoty

How to copy a GitHub repo without forking

GitHub only lets you fork a repo once, if you want to make more than one copy of a project here's how you can do it. Useful for starter code.

1. Create a new empty folder for your project and initialize git

   cd where-you-keep-your-projects

mkdir your-project-name

lambdaydoty

Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

lambdaydoty

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

lambdaydoty

// Requires traceur

import { iterate, take, map, foldl } from './list-out-of-yield';

// Sum of squares of integers 1..100
var values = take(100, iterate(x => x + 1, 1));

var result = foldl((x, y) => x + y, 0, map(x => x * x, values));

console.log(result);

lambdaydoty

/**
 * This short program will encrypt the user password
 * and insert a new record into a mock database.
 */
const Reader = require('fantasy-readers');
const R = require('ramda');
const crypto = require('crypto');

// our mock database
const database = [

lambdaydoty

const I = x => x;
const K = x => y => x;
const A = f => x => f(x);
const T = x => f => f(x);
const W = f => x => f(x)(x);
const C = f => y => x => f(x)(y);
const B = f => g => x => f(g(x));
const S = f => g => x => f(x)(g(x));
const P = f => g => x => y => f(g(x))(g(y));
const Y = f => (g => g(g))(g => f(x => g(g)(x)));

lambdaydoty

const Task = require('data.task')

Task.prototype.alt = function (that) {
  return new Task((rej, res) =>
    this.fork(_ => that.fork(rej, res), res))
}

const hosts = [
  [ 'db1.mysite.com', 'user', 'password' ],
  [ 'db2.mysite.com', 'user', 'password' ],

lambdaydoty

" lambda λ
imap <C-j> <C-k>l*

" right arrow →
imap <C-l> <C-k>->

" left arrow ←
imap <C-h> <C-k><-

" compose ∘