gaotongfei

require "active_record"

namespace :db do

  db_config       = YAML::load(File.open('config/database.yml'))
  db_config_admin = db_config.merge({'database' => 'postgres', 'schema_search_path' => 'public'})

  desc "Create the database"
  task :create do
    ActiveRecord::Base.establish_connection(db_config_admin)

gaotongfei

#!/usr/bin/env python
#
# Extracts email addresses from one or more plain text files.
#
# Notes:
# - Does not save to file (pipe the output to a file if you want it saved).
# - Does not check for duplicates (which can easily be done in the terminal).
#
# (c) 2013  Dennis Ideler <ideler.dennis@gmail.com>

gaotongfei

1. Include Weather Icons in your app: https://github.com/erikflowers/weather-icons

2. Include the below JSON in your application, for example purposes, lets assume it's a global named weatherIcons.

3. Make a request to OpenWeatherMap:

req = $.getJSON('http://api.openweathermap.org/data/2.5/weather?q=London,uk&callback=?');

gaotongfei

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

gaotongfei

import urllib2
import cookielib

cookie_jar = cookielib.CookieJar()

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie_jar))
urllib2.install_opener(opener)

request = urllib2.Request('http://www.google.com')
urllib2.urlopen(request)

gaotongfei

Crawling Anonymously with Tor in Python

adapted from the article "Crawling anonymously with Tor in Python" by S. Acharya, Nov 2, 2013.

The most common use-case is to be able to hide one's identity using TOR or being able to change identities programmatically, for example when you are crawling a website like Google and you don’t want to be rate-limited or blocked via IP address.

Tor

Install Tor.

gaotongfei

"""
setup:
    pip install requesocks

super helpful:
    http://packetforger.wordpress.com/2013/08/27/pythons-requests-module-with-socks-support-requesocks/

"""
import requests
import requesocks