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?

simpsoka

Product managers

• Seek out failure, it teaches us to think like a scientist. If you start with a hypothesis, then try to prove yourself wrong, you’re bound to make much better decisions. You have to be willing to fail, and that in itself is going to help you build confidence and be more convicted about what your strategy is in the end.
• There are hundreds of methods for building products and running teams. As a quality PM, it's important to have an open mind about all of it, but finding your own process and philosophy can be grounding. It helps you find your pillars so that you don't smash into things while you're building. Remember, however, that you can always find a budget for remodeling. 😉
• The beauty of a good process is when it just becomes how you do your work. When you forget you're following a process at all is when you know the process is working for you, your team, your company, and your customers.
• The advice I give new Product Managers or PMs coming onto a team for the first

gudbergur

This is a fork of Bootstrap Typeahead that adds minimal but powerful extensions.

For example, process typeahead list asynchronously and return objects

  # This example does an AJAX lookup and is in CoffeeScript
  $('.typeahead').typeahead(
    # source can be a function
    source: (typeahead, query) ->
 # this function receives the typeahead object and the query string

aaronshaf

cd ~
sudo apt-get update
sudo apt-get install unzip curl python-software-properties -y
#sudo add-apt-repository "deb http://archive.canonical.com/ lucid partner"
sudo add-apt-repository ppa:ferramroberto/java
sudo apt-get update
sudo apt-get install sun-java6-jre sun-java6-plugin -y

wget https://github.com/downloads/elasticsearch/elasticsearch/elasticsearch-0.18.7.tar.gz -O elasticsearch.tar.gz
tar -xf elasticsearch.tar.gz

possibilities

From Meteor's documentation:

In Meteor, your server code runs in a single thread per request, not in the asynchronous callback style typical of Node. We find the linear execution model a better fit for the typical server code in a Meteor application.

This guide serves as a mini-tour of tools, trix and patterns that can be used to run async code in Meteor.

Basic async

Sometimes we need to run async code in Meteor.methods. For this we create a Future to block until the async code has finished. This pattern can be seen all over Meteor's own codebase:

grimen

/* =============================================
        Dependencies
------------------------------------------ */

const debug = require('debug')
const chalk = require('chalk')

const { Readable, Writable, Transform, pipeline } = require('stream')

twolfson

We have been considering how to best handle internal monitoring (i.e. internal stats like disk space, CPU utilization). Here's our current set of solutions:

References:

• https://www.pagerduty.com/integrations/ (Infrastructure monitoring)
• http://stackshare.io/performance-monitoring

Top picks:

• Stackdriver - Free with alerting

technobly

//-----------------------------------------------//
// SPARK CORE Adafruit_WS2801 LIBRARY & EXAMPLE  //
//===============================================//
// Copy this into a new application at:          //
// https://www.spark.io/build and go nuts!       //
// Read comments in APPLICATION.CPP section for  //
// Hookup details!                               //
//-----------------------------------------------//
// Technobly / BDub - Jan 9th, 2014              //
//===============================================//

dfrankland

/* Responsive Text Align */

/* Text Align Up */
@media (min-width: 34em) {
  .text-center-sm-up {
    text-align: center;
  }
  .text-right-sm-up {
    text-align: right;
  }

tty

# Basic text search with relevancy for MongoDB. 
# See http://blog.tty.nl/2010/02/08/simple-ranked-text-search-for-mongodb/
# Copythingie 2010 - Ward Bekker - ward@tty.nl

#create (or empty) a docs collection
doc_col = MongoMapper.connection.db('example_db').collection('docs')
doc_col.remove({})

#add some sample data
doc_col.insert({ "txt" => "it is what it is"})