jourdein

# STEP 1: VERIFY THAT YOU DO NOT ALREADY HAVE POSTGRESQL INSTALLED ON YOUR SYSTEM
ps ax | grep postgres

# STEP 2: INSTALL POSTGRESQL ON YOUR SYSTEM
sudo apt-get update
sudo apt-get install postgresql-9.1

# List All Postgres related packages
dpkg -l | grep postgres

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.

kevinold

#ack is a tool like grep, designed for programmers with large trees of heterogeneous source code

#to install ack, see http://betterthangrep.com/
#to use ack, launch terminal (mac osx) and type 'ack <some_keywords>'
#ack will search all files in the current directory & sub-directories

#here's how I have my config file setup. this file is located on mac osx here
# ~/.ackrc 

# Always sort the files

searls

Japanese Travel Survival Guide

Update 8/16/2015: I updated this guide a bit and posted it to Medium

A few notes about things I do when I travel to Japan.

Survival

Travel light

bradland

#!/usr/bin/env ruby -w -s
# -*- coding: utf-8 -*-
require 'axlsx'

## Some documentation ##

### Axlsx Gem ###

# Axlsx Docs:            http://rubydoc.info/gems/axlsx/frames
# Axlsx::DataValidation: http://rubydoc.info/gems/axlsx/Axlsx/DataValidation

shunchu

t = 236 # seconds
Time.at(t).utc.strftime("%H:%M:%S")
=> "00:03:56"

# Reference
# http://stackoverflow.com/questions/3963930/ruby-rails-how-to-convert-seconds-to-time

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

Integralist

#!/usr/bin/env ruby

require "webrick"

=begin
    WEBrick is a Ruby library that makes it easy to build an HTTP server with Ruby. 
    It comes with most installations of Ruby by default (it’s part of the standard library), 
    so you can usually create a basic web/HTTP server with only several lines of code.
    
    The following code creates a generic WEBrick server on the local machine on port 1234, 

btoone

Introduction

An introduction to curl using GitHub's API.

The Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin

gre

/*
 * This work is free. You can redistribute it and/or modify it under the
 * terms of the Do What The Fuck You Want To Public License, Version 2,
 * as published by Sam Hocevar. See the COPYING file for more details.
 */
/*
 * Easing Functions - inspired from http://gizma.com/easing/
 * only considering the t value for the range [0, 1] => [0, 1]
 */
EasingFunctions = {