vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

dmvaldman

Descartes, Berkeley and Functional Reactive Programming

By @dmvaldman

Functional Reactive Programming (FRP) is generating buzz as an alternative to Object Oriented Programming (OOP) for certain use cases. However, an internet search quickly leads a curious and optimistic reader into the rabbit-hole of monads, functors, and other technical jargon. I’ve since emerged from this dark and lonely place with the realization that these words are mere implementation details, and that the core concepts are far more universal. In fact, the groundwork was laid down many centuries before the first computer, and has more to do with interpretations of reality, than structuring programs. Allow me to explain.

There’s an old thought experiment that goes like this:

gist:dbdc5985f5977101b82b

// by dave & beesandbombs

int[][] result;
float t;

void setup() {
  setup_();
  result = new int[width*height][3];
}

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

jmyrland

var i = 0, 
    io = require('socket.io'),
    http = require('http');

var server = http.createServer().listen(80);

io = io.listen(server);
io.set('transports', [ 'xhr-polling' ]);

io.sockets.on('connection', function(socket){

michaelcox

require.config({
  baseUrl: '/backbone-tests/',
  paths: {
    'jquery'        : '/app/libs/jquery',
    'underscore'    : '/app/libs/underscore',
    'backbone'      : '/app/libs/backbone',
    'mocha'         : 'libs/mocha',
    'chai'          : 'libs/chai',
    'chai-jquery'   : 'libs/chai-jquery',
    'models'        : '/app/models'

Bodacious

There's not a great deal of documentation on the options available when configuring your Rakefile in Rubymotion.

I figure having the community share what's in theirs will help other developers get a better idea of how they should configure their own project.

brandonb927

#!/bin/sh

###
# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
###

# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx

geddski

function nestCollection(model, attributeName, nestedCollection) {
    //setup nested references
    for (var i = 0; i < nestedCollection.length; i++) {
      model.attributes[attributeName][i] = nestedCollection.at(i).attributes;
    }
    //create empty arrays if none

    nestedCollection.bind('add', function (initiative) {
      if (!model.get(attributeName)) {
        model.attributes[attributeName] = [];

xtian

!!! 5
html(class='no-js')
  head
    meta(charset='utf-8')
    meta(http-equiv='X-UA-Compatible', content='IE=edge')

    title

    meta(name='description', content='')
    meta(name='viewport', content='width=device-width, initial-scale=1')