anilpai

class Student:

    def __init__(self, first_name, last_name):
        self.first_name = first_name
        self.last_name = last_name
        
    @classmethod
    def from_string(cls, name_str):
      first_name, last_name = map(str, name_str.split(' '))
      student = cls(first_name, last_name)

anilpai

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
• The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
• Scaling Twitter: Making Twitter 10000 Percent Faster

anilpai

def flatten(lst):
  '''
  Flattens a list of lists.
  '''
  r = []
    for x in lst:
       if type(x) is list:
          r.extend(x)
       else:
          r.append(x)