Andy Wang yorzi

## enable_root_on_man.md

      
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                yorzi
                / enable_root_on_man.md
            
            
              Created
              May 18, 2013 01:53
            
              
                Enable root user on MAC (Lion and Mountain Lion) via GUI.
              
          
Open System Preferences, select Users & Groups
Click the lock and enter your password to unlock the panel
Click Login Options, then click the Join button
Click Open Directory Utility button
Now go up to the Edit menu and select Enable Root User
Enter a password and voila, root is enabled
Later, after the rest is done, you need to retrace these steps and select Disable Root User


## ci.rake
namespace :ci do
  task :copy_yml do
    sh "cp #{Rails.root}/config/example_database.yml #{Rails.root}/config/database.yml"
    sh "other preparation"
  end

  desc "Prepare for CI and run entire test suite"
  task :build do
    Rake::Task['db:migrate'].invoke
    Rake::Task['db:test:prepare'].invoke

## nginx_basic_auth.md

      
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                yorzi
                / nginx_basic_auth.md
            
            
              Created
              May 16, 2013 09:10
            
              
                Nginx with basic authentication
              
          
    Assume we have Nginx installed on Ubuntu 12.04 server. Now I will show you how to configure HTTP basic authentication in Nginx.
step1:
Open conf/nginx.conf file, and add some directives into locatiion / section:

        location / {
            auth_basic "Restricted";
 auth_basic_user_file pwd;


## proxy_nginx.sh
sudo aptitude -y install nginx
cd /etc/nginx/sites-available
sudo rm default
sudo cat > jenkins
upstream app_server {
    server 127.0.0.1:8080 fail_timeout=0;
}

server {
    listen 80;

## share_to_facebook.erb
<% content_for :html_head_content do %>
  			<meta property="og:title" content="<%= @post.title %>"/>
        <meta property="og:type" content="website"/>
        <meta property="og:site_name" content="sample.com"/>
        <% if Rails.env == 'production' %>
        	<meta property="og:image" content="http://sample.com/assets/logo.png"/>
        <% else %>
        	<meta property="og:image" content="http://sample.com/logo.png"/>
        <% end %>
        <meta property="og:description" content="<%= strip_tags(@post.excerpt).strip[0, 200] %>"/>

## split_csv.sh
#!/bin/bash

# check if an input filename was passed as a command
# line argument:
if [ ! $# == 1 ]; then
  echo "Please specify the name of a file to split!"
  exit
fi

# create a directory to store the output:

## random.rb
  def self.random(n = 1)
    indexes = (0..self.count-1).sort_by{rand}.slice(0,n).collect!

    if n == 1
      return self.skip(indexes.first).first
    else
      return indexes.map{ |index| self.skip(index).first }
    end
  end

## index.html
<!DOCTYPE html>
<html>
<head>
  <script src='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.js'></script>
  <script src='http://d3js.org/d3.v2.min.js?2.9.3'></script>
  <link
      href='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.css'
      rel='stylesheet' />
  <style>
    body { margin:0; padding:0; }

## git-revert.text
This depends a lot on what you mean by "revert".

If you want to temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit:

# this will detach your HEAD, i.e. leave you with no branch checked out.
git checkout 0d1d7fc32
or if you want to make commits while you're there, go ahead and make a new branch while you're at it:

git checkout -b old-state 0d1d7fc32
If, on the other hand, you want to really get rid of everything you've done since then, there are two possibilities. One, if you haven't published any of these commits, simply reset:

## dummy_helpers.rb
module ApplicationHelper

  def dummy_image wxh
    image_tag "http://dummyimage.com/#{wxh}/999/eee.png",size: wxh
  end

  def dummy_paragraph(count = 3)
    Faker::Lorem.paragraph(count)
  end
	namespace :ci do
	task :copy_yml do
	sh "cp #{Rails.root}/config/example_database.yml #{Rails.root}/config/database.yml"
	sh "other preparation"
	end

	desc "Prepare for CI and run entire test suite"
	task :build do
	Rake::Task['db:migrate'].invoke
	Rake::Task['db:test:prepare'].invoke
	sudo aptitude -y install nginx
	cd /etc/nginx/sites-available
	sudo rm default
	sudo cat > jenkins
	upstream app_server {
	server 127.0.0.1:8080 fail_timeout=0;
	}

	server {
	listen 80;
	<% content_for :html_head_content do %>
	<meta property="og:title" content="<%= @post.title %>"/>
	<meta property="og:type" content="website"/>
	<meta property="og:site_name" content="sample.com"/>
	<% if Rails.env == 'production' %>
	<meta property="og:image" content="http://sample.com/assets/logo.png"/>
	<% else %>
	<meta property="og:image" content="http://sample.com/logo.png"/>
	<% end %>
	<meta property="og:description" content="<%= strip_tags(@post.excerpt).strip[0, 200] %>"/>
	#!/bin/bash

	# check if an input filename was passed as a command
	# line argument:
	if [ ! $# == 1 ]; then
	echo "Please specify the name of a file to split!"
	exit
	fi

	# create a directory to store the output:
	def self.random(n = 1)
	indexes = (0..self.count-1).sort_by{rand}.slice(0,n).collect!

	if n == 1
	return self.skip(indexes.first).first
	else
	return indexes.map{ \|index\| self.skip(index).first }
	end
	end
	<!DOCTYPE html>
	<html>
	<head>
	<script src='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.js'></script>
	<script src='http://d3js.org/d3.v2.min.js?2.9.3'></script>
	<link
	href='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.css'
	rel='stylesheet' />
	<style>
	body { margin:0; padding:0; }
	This depends a lot on what you mean by "revert".

	If you want to temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit:

	# this will detach your HEAD, i.e. leave you with no branch checked out.
	git checkout 0d1d7fc32
	or if you want to make commits while you're there, go ahead and make a new branch while you're at it:

	git checkout -b old-state 0d1d7fc32
	If, on the other hand, you want to really get rid of everything you've done since then, there are two possibilities. One, if you haven't published any of these commits, simply reset:
	module ApplicationHelper

	def dummy_image wxh
	image_tag "http://dummyimage.com/#{wxh}/999/eee.png",size: wxh
	end

	def dummy_paragraph(count = 3)
	Faker::Lorem.paragraph(count)
	end