lxneng

# Everything you need to do to get started with Rails 2.3.8
#
# As of June 14th, 2010 @ 2:30 p.m. MST
#
# This gist now features instructions to get Rails 3 up and running with:
# - Ruby 1.8.7-p174
# - Bundler 0.9.26
# - Cucumber 0.8.0
# - Rspec 1.3.0 + Rspec-Rails 1.3.2
# - RVM

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from scrapy.spider import BaseSpider
from scrapy.http import FormRequest, Request
from scrapy.selector import HtmlXPathSelector

class DjangoSpider(BaseSpider):
    domain_name = "django.local"
    start_urls = ["http://localhost:8000/admin/"]
    extra_domain_names = ["localhost"]

    def parse(self, response):

lxneng

# This is an implementation of using python-oembed with api.embed.ly

# python-oembed http://code.google.com/p/python-oembed/
import oembed

# Embed.ly Multi Provider API Endpoint
OEMBED_ENDPOINT = 'http://api.embed.ly/oembed/api/v1'

# URL Schemes Supported
URL_SCHEMES = (

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#!/usr/bin/env python
import urllib
import urllib2
try:
    import json
except ImportError:
    try:
        import simplejson as json
    except ImportError:
        raise ImportError("Need a json decoder")

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# -l 统计行数
# 不加参数的话，显示行数，字符数，文件大小
wc -l test.txt

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#使用expect
 
#!/usr/bin/expect -f 
#auto ssh login 
set timeout 30 
#set sshhost [lindex $argv 0]
spawn ssh -D 9527 [email protected]
expect "password:" 
send "password\r"
interact

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#push
rsync -avz -e ssh /some/small/directory/ [email protected]:/backup/destination/directory/
 
#pull
rsync -avz -e ssh [email protected]:/backup/destination/directory/ /some/small/directory/

lxneng

1. 插入ubuntu live光盘，选择安装
2. 一直到磁盘分区
3. 选择手动分区
4. 把/ /boot /swap等等都对应到原先安装的
5. 不要格式化
6. 确认保存时，点”确定”
7. 会跳出错误，说不能安装…，不予理会，选择继续
8. 直到回到Ubuntu安装菜单，选择安装grub

或者

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## app/controllers/admin/users_controller.rb
def export_to_csv
  @users = User.all
  csv_string = FasterCSV.generate(:force_quotes => true) do |out|
    out << ['Email Address', 'First Name', 'Last Name', 'Mobile Phone', 'Gender']
    @users.each do |u|
      out << [u.email, u.first_name, u.last_name, u.phone_number, u.gender]
    end
  end
  send_data(csv_string,

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#! /usr/bin/python
### Copy everything on a FTP server to a local folder

from ftplib import FTP
import os.path
import datetime

def main():
	#fill in the parameters here
	ftpaddress = '1.1.1.1'