Python

Code implementation1.xlsengine.py#-*-coding:utf-8-*-__author__='Yanghaitao'ImportxlrdImportXLWTclassxlsengine_rd ():"""The Xlsengine is a demo class for Excel openration Just for some basic test or the using or the 3rd class in P Ython""" def

Need to generate the corresponding DOCX,XLSX file from the database read log to make corresponding recordsSo it's natural to use these two libraries.However, these libraries are widely used, and any effort to perform repetitive operations on

Steps for Python to write server:1. The first step is to create the socket object. Call the socket constructor. Such as:Socket = Socket.socket (family, type)The family parameter represents the address family, which can be either af_inet or Af_unix.

Python provides two basic socket modules.The first one is the Socket, which provides the standard BSD Sockets API.The second is Socketserver, which provides a server-centric class that simplifies the development of Web servers.Here is the socket

1 #题目: Use recursive method to find 5!.Code:2 def FAC (n): 3 if n = = 1:4 return 1 5 return N*FAC (n-1) 6 print (' 5 factorial is%d '%FAC (5))Operation Result:[[email protected] code_100]# Python code_26.py 5 factorial is 120[[email protected] code_1

Shell:Log_date= ' date-d "1 day Ago" +%y-%m-%d ' #以指定格式设置一天前的年份月份日期aws S3 ls $LAST 5_base_path > ${tmp_file} #将s3这个位置的文件清单输出到tmp . txt files if grep-q $LOG _date $TMP _file; Then #查找是否存在spark-submit--master

Python uses mechanize to simulate the browserBefore I used my own URLLIB2 simulation browser to visit the Web and other operations, very many sites will be error, but also return garbled. After the use of the Mechanize simulation browser, these

The purpose of this time is to traverse the directory and update the target file and the corresponding directory information to the XML file. After painful groping, the elementtree from Python comes to lxml. The reason for abandoning the elementtree

It's been a whim these days to learn about Python. Look at the basics, feel a bit dull, so want to do something. If you think about it, just get a little gadget that detects Linux user logins ~First, clarify the function:1, can capture the Linux

I. Dictionary Help documentation>>> dir (dict) [' __class__ ', ' __cmp__ ', ' __contains__ ', ' __delattr__ ', ' __delitem__ ', ' __doc__ ', ' __eq__ ', ' __ Format__ ', ' __ge__ ', ' __getattribute__ ', ' __getitem__ ', ' __gt__ ', ' __hash__ ', ' _

# original article, do not reprint without permissionWith Python's JSON module, you can convert JSON data in string form to a dictionary, or you can convert dictionary data in Python into JSON data in string form.Before using this module, are used

Friends who have used python assert should often encounter such doubts, such as:(A, b) = (1, ' 1 ')Assert A==b # Error:assertionerrorWhen debugging code, it's hard to see why it's wrong, unless it's written like this:Assert 1== ' 1 ', "fact==expect,

A. functionFunctions are well-organized, reusable pieces of code that are used to implement a single, or associated function.Functions can improve the modularity of the application, and the reuse of the code. A lot of the built-in functions of

Python provides a hash-encrypted module:hashlibThe following main record is the MD5 encryption methodImport hashlibdata1 = ' Sada ' # # # # # # # # #字母和数字m = hashlib.md5 (Data1.encode (' Utf-8 ')) print (M.hexdigest ()) data= ' I am ' # # # #

Learn "python core programming" to do a bit of knowledge of the summary, easy to review.What is the nature of computer language?A-Z, a-Z, symbols, numbers, and so on are combined into a syntax-compliant string. For compilers and interpreters.The

This section briefly describes the number types and basic mathematical computing in Python and the python number types. Python has four types of numbers:1. Integer a = 2 print a 2. Long Integer b = 123456789 print b 3. Floating Point Number c = 3.2

Python -- Regular Expression (1) Summary This document is a guide to using regular expressions through the re module in Python. It provides a more detailed introduction than the corresponding section of the reference class library. ==================

[Python2.x] use the commands module to execute the Linux shell Command, python2.xcommands When writing an O & M script using Python, you often need to execute the linux shell Command. The commands module in Python is used to call the Linux shell

Art of Unit Test (1), artunit 1 #!/usr/bin/env python 2 # encoding: utf-8 3 4 import unittest 5 6 """ 7 the simplyest way to test return value 8 No needs to use stub 9 """ 10 class LogAnalyzer_0(object): 11 def

Pandas Quick Start (4) and pandas Quick Start This section describes another Pandas Data Structure: DataFrame, the content of this article Source: https://www.dataquest.io/mission/147/pandas-internals-dataframes The Series object has been