aws python lambda example

In Internet-based applications, programs often need to send e-mails automatically. For example, a website registration system will send an email to confirm the registration when the user registers, and when the user forgets the login password, the password is retrieved by mail. The Smtplib module is a client implementation of the SMTP (Simple Mail Transfer Protocol) in Python. We can use the Smtplib module

Regular Expression. python is used as an example. The original address and author must be specified for reprinting. The purpose of a regular expression is to quickly process string content. It is mainly used to find the specified string and complete the task with other operations.When using regular expressions, you must understand the features of your language,The Regular Expression in

This article mainly describes how to capture the IP address of a proxy server using multiple Python threads. despite the existence of GIL, Python cannot truly implement multi-thread parallel processing, A friend can refer to here to capture the http://www.proxy.com.ru site proxy server as an example, the code is as follows: #! /Usr/bin/env

Python implements the example of the subtraction operation for the corresponding elements of two lists, pythonlist This example describes how to subtract elements from two lists in Python. We will share this with you for your reference. The details are as follows: The corresponding element operation of the two lists.

This example describes the Python callback function usage. Share to everyone for your reference. The specific analysis is as follows:First, the Baidu encyclopedia on the callback function explanation:A callback function is a function that is called through a function pointer. If you pass the pointer (address) of the function as an argument to another function, when the pointer is used to invoke the function

This article mainly introduces how to implement the data independence algorithm in python. The example analyzes the implementation skills of the Python data independence algorithm. For more information, see the example in this article. Share it with you for your reference. The details are as follows: #-*-Coding: UTF-

[Spark] [Python]sortbykey Example:[Email protected] ~]$ HDFs dfs-cat test02.txt00002 sku01000001 sku93300001 sku02200003 sku88800004 sku41100001 sku91200001 sku331[Email protected] ~]$Mydata001=sc.textfile ("Test02.txt")Mydata002=mydata001.map (Lambda line:line.split ("))Mydata002.take (3)OUT[4]: [[u ' 00002 ', U ' sku010 '], [u ' 00001 ', U ' sku933 '], [u ' 000

Here is an example of a proxy server crawling the http://www.proxy.com.ru site, with the following code: #!/usr/bin/env python#coding:utf-8import urllib2import reimport threadingimport timeimport MySQLdbrawProxyList = [] Checkedproxylist = [] #抓取代理网站targets = []for i in Xrange (1,42): target = r "http://www.proxy.com.ru/list_%d.html"% i Targ Ets.append (target) #抓取代理服务器正则p = Re.compile (R ' "(\d+) (. +?)

Examples of non-interactive running spark application$ cat count.pyImport SysFrom Pyspark import Sparkcontextif __name__ = = "__main__":sc = Sparkcontext ()LogFile = sys.argv[1]Count = Sc.textfile (logfile). Filter (Lambda line: '. jpg '). Count ()Print "JPG requests:", CountSc.stop ()$$ spark-submit--master yarn-client count.py/test/weblogs/*Number of JPG requests:10258$[Spark] [Python] [Application]

This article mainly introduces the string replacement operation example in Python, including using the string template. template example and a regular expression example. if you need a regular expression, you can refer to the string replacement (interpolation). you can use string. template, you can also use the concate

About port ScannersThe Port Scan Tool (ports Scanner) is a tool for probing server or host open ports. is often used by computer administrators to confirm security policies and is used by attackers to identify operational network services on the target host. A port scan definition is a client that sends a corresponding request to a range of server ports to confirm the ports that can be used. Although it is not a malicious network activity in itself, it is also an important means for network att

Example of the RDD FlatMap operation:FlatMap, performs a function operation on each element (line) of the original Rdd, and then "beats" each line[Email protected] ~]$ HDFs dfs-put cats.txt[Email protected] ~]$ HDFs dfa-cat cats.txtError:could not find or load main class DFA[Email protected] ~]$ HDFs dfs-cat cats.txtThe Cat on the matThe aardvark sat on the sofaMydata=sc.textfile ("Cats.txt")Mydata.count ()OUT[14]: 2Mydata.take (2)OUT[15]: [u ' the Ca