ryansobol

Originally published in June 2008

When hiring Ruby on Rails programmers, knowing the right questions to ask during an interview was a real challenge for me at first. In 30 minutes or less, it's difficult to get a solid read on a candidate's skill set without looking at code they've previously written. And in the corporate/enterprise world, I often don't have access to their previous work.

To ensure we hired competent ruby developers at my last job, I created a list of 15 ruby questions -- a ruby measuring stick if you will -- to select the cream of the crop that walked through our doors.

What to expect

Candidates will typically give you a range of responses based on their experience and personality. So it's up to you to decide the correctness of their answer.

jimothyGator

mkdir -p /usr/local/etc/nginx/sites-{enabled,available}
cd /usr/local/etc/nginx/sites-enabled
ln -s ../sites-available/default.conf
ln -s ../sites-available/default-ssl.conf

File locations:

• nginx.conf to /usr/local/etc/nginx/
• default.conf and default-ssl.conf to /usr/local/etc/nginx/sites-available
• homebrew.mxcl.nginx.plist to /Library/LaunchDaemons/

tr3buchet

make sure any needed utilities are installed

sudo aptitude install debootstrap coreutils util-linux e2fsprogs

get usb device

df -h

spoike

ReactJS Component Cheatsheet

To create a ReactComponent:

ReactComponent React.createClass(object proto)

Basic JSX example:

var TitleComponent = React.createClass({

// REQUIRED

patrickhammond

Here is a high level overview for what you need to do to get most of an Android environment setup and maintained.

Prerequisites (for Homebrew at a minimum, lots of other tools need these too):

• XCode is installed (via the App Store)
• XCode command line tools are installed (xcode-select --install will prompt up a dialog)
• Java

Install Homebrew:

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

FUT

1. Install Linux updates, set time zones, followed by GCC and Make

sudo yum -y update
sudo ln -sf /usr/share/zoneinfo/America/Indianapolis \
/etc/localtime
sudo yum -y install gcc make
 

2. Download, Untar and Make Redis 2.8 (check here http://redis.io/download)

dionyziz

A pseudonymous trust system for a decentralized anonymous marketplace

Dionysis Zindros, National Technical University of Athens dionyziz@gmail.com

Keywords

pseudonymous anonymous web-of-trust identity trust bitcoin namecoin proof-of-burn timelock decentralized anonymous marketplace openbazaar

Abstract

localredhead

One of my favorite past times is to look at the notebooks of famous scientists. Da Vinci's notebook is well known, but there plenty others. Worshipping Da Vinci like no other, I bought a Think/Create/Record journal, used it mostly to keep jot down random thoughts and take notes. This was great in the beginning, but the conformity of lines drove me nuts. Only moleskines made blank notebooks, so I had to buy one.

At the same time I started a freelance project. The project itself is irrelevant, but suffice to say it was very complex and spanned several months. It seemed like a perfect opportunity to use the moleskine. Looking back, all my entries fell under few categories:

• Todo
• Question
• Thought
• Bug
• Feature

karlfloersch

Terms:

• Web3.js: A Javascript library letting you interact with any Ethereum node using the RPC network protocol.
• Geth: A heavyweight Ethereum node
• Testrpc: A Ethereum node simulator (fast and good for development)
• Pudding: A library wrapping web3.js providing a nicer interface for interacting with the node/sending transactions.
• Truffle: A framework good for JS developers who want to build prototypes and don't mind the restrictions it imposes. For more customization, just use plain JS, web3.js, and pudding.
• Solc: The Solidity compiler

Tips:

pelle

{
  "name": "exampleapp",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node_modules/react-native/packager/packager.sh --nonPersistent",
    "test": "jest",
    "build-uport-connect": "node_modules/.bin/derequire node_modules/uport-connect/dist/uport-connect.js >src/vendor/uport-connect.js"
  },
  "dependencies": {