JackDanger

require 'csv'
def import(filename, out = $stdout, &block)
  # Yes, there are gems that do progress bars.
  # No, I'm not about to add another dependency for something this simple.
  width     = `tput cols`.to_i - 4
  processed = 0
  total     = File.read(filename).lines.length.to_f - 1
  label     = File.basename(filename, '.csv')

  out.puts "%11s:" % label

JackDanger

def a_little_recursion(n):
    if n > 100:
        print "all done!"
        print "not done yet!"
        return
    a_little_recursion(n + 1)
    
a_little_recursion(0)

JackDanger

module Injectable
  class Placeholder
    def initialize(target)
      @target = target
    end

    def injected_value
      @target.generate
    end
  end

JackDanger

# Square Software Engineer, Foundation Server

Behind the teams that build new features for our millions of merchants there is
a group that builds tools and services to make the product teams' work easier.

We work in every software language and at every layer in the technology stack – from
client to api to server to database. Our mission is to serve the engineers of Square
and, by extension, all the small business owners who need a simple and powerful
payment system. You don't have to know these languages or technologies but you do
need to be willing to learn.

JackDanger

# If you see this:
$ go get github.com/robfig/revel
package code.google.com/p/go.net/websocket
        imports github.com/robfig/pathtree
        imports github.com/streadway/simpleuuid
        imports net/http/cookiejar: unrecognized import path "net/http/cookiejar"

# You need to upgrade to go version 1.1

JackDanger

# If you get the following, the solution is to try compiling under Java 1.6
# $ JAVA_HOME=`/usr/libexec/java_home -v 1.6` rvm install jruby-head

compile-jruby:
    [javac] Compiling 1395 source files to /Users/jackdanger/.rvm/src/jruby-head/build/classes/jruby
    [javac] warning: [options] bootstrap class path not set in conjunction with -source 1.6
    [javac] /Users/jackdanger/.rvm/src/jruby-head/src/org/jruby/javasupport/JavaClass.java:1418: error: cannot find symbol
    [javac]         return getRuntime().newBoolean(javaClass().isAnnotationPresent(((JavaClass)annoClass).javaClass()));
    [javac]                                                   ^
    [javac]   symbol:   method isAnnotationPresent(Class)

JackDanger

def odd(list)
  list.each_with_index do |item, index|
    yield item if index % 2 == 0
  end
end

def even(list)
  list.each_with_index do |item, index|
    yield item if index % 2 == 1
  end

JackDanger

projects=`locate Gemfile.lock | egrep -v "(.rvm|bundler|.passenger)" | xargs egrep "  rails" | cut -d : -f 1 | uniq | xargs egrep -L 'rails \((2.3.15|3.0.19|3.1.10|3.2.11)\)' |cut -d : -f 1 | xargs -n 1 dirname`
for project in $projects; do
  echo '-----------------'
  echo '-- PATCHING' $project ' -- '
  echo '-----------------'
  cd $project
  git stash
  git checkout master
  git pull
  sed -i .bak "s/gem [\"|']rails[\"|'], [\"|']2.*[\"|']/gem 'rails', '2.3.15'/g" Gemfile

JackDanger

printf("%c\n", 14)
printf("%c ", 0x6A) # ┘
printf("%c ", 0x6B) # ┐
printf("%c ", 0x6C) # ┌
printf("%c ", 0x6D) # └
printf("%c ", 0x6E) # ┼ 
printf("%c ", 0x71) # ─
printf("%c ", 0x74) # ├
printf("%c ", 0x75) # ┤
printf("%c ", 0x76) # ┴

JackDanger

# use C-a, since it's on the home row and easier to hit than C-b
set-option -g prefix C-a
unbind-key C-a
bind-key C-a send-prefix
set -g base-index 1

# vi is good
setw -g mode-keys vi

set-option -g default-terminal screen-256color