Python

#-*-Coding:utf-8-*-‘‘‘Python coded byWritten in 2016/8/31Used for get win OS log for each Windows Server‘‘‘‘‘‘pymssql Help DocumentationHttp://pymssql.org/en/stable/pymssql_examples.html‘‘‘Import pymssqlImport MySQLdbImport time#全局变量Host = "192.168.3

Make a little progress every day!First, the Python learning socket syntax and related1-1 What is a SocketOn the same computer, the process can communicate this way, if it is a different computer? A network socket (socket) is used to communicate with

Recently more attention to the study of Python information and courses, because Python itself is basically under the development of Linux, I windows used to use the first Linux a variety of awkward ah.Let me share with you the words that I have

Reference: http://www.cnblogs.com/wupeiqi/OverviewPython is programmed in three different ways Process-oriented: Write code from top to bottom line based on business logic Function: To encapsulate some functions in a function, you need

Recently received a small project, read each line of the target file URL, and request the URL, to get the desired data.#-*-coding:utf-8-*-classIpurlmanager (object):def __init__(self): Self.newipurls=set ()#Self.oldipurls = set () defIs_has_ipurl

1.Python Variable TypeThe value that the variable is stored in memory. This means that there is a space in memory when creating variables.Based on the data type of the variable, the interpreter allocates the specified memory and determines what data

Socket programmingApplication layer:Presentation layer: Session Layer: Transport Layer: Network layer: IP address data Link layer: MAC address Physical layer: protocol type: TCP/IP protocol: three-time handshake, four disconnection 2. Socket

Vamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!Indent inThe most distinctive feature of Python is the code that is labeled as a block in indentation. I will use the if selection structure below

First, what is a functionA function is a code snippet that can be called, reusable, to implement a single, or related function.Role of the function: Reduced duplication of code and improved modularity of applications Keep your code

3.1 Viewing data item data typesType (name)3.2 View data item data IDID (name)3.3 Object referenceNotes Python saves all data as a Memory objectin Python, a variable is actually a reference to a Memory object　　Dynamic type: At any point in time, an

Python comes with a zipfile module for reading and writing zip files.def zip_dir (dirname,zipfilename): filelist = [] if Os.path.isfile (dirname): filelist.append (dirname) else: for root, dirs, files in Os.walk (dirname): For

14. Regular Expressions A regular expression is a powerful tool for working with strings, but it is not unique to Python, and many programming languages support regular expressions, and there is little difference in usage;The regular

1, the Replication/etc/skel directory is/home/tuser1, requires/home/tuser1 and its internal files belong to the group and other users do not have any access rights.[[email protected] ~]# cp -r /etc/skel /home[[email protected] ~]#

1. Display the line beginning with at least one blank character in/boot/grub/grub.conf;[[email protected]/]# grep "^[[:space:]]\+"/boot/grub/grub.conf root (hd0,0) kernel/vmlinuz-2.6.32-504.el6.x86_64 ro

Python format symbols in time Date: %y Two-digit year representation (00-99) %Y Four-digit year representation (000-9999) %m Month (01-12) One day in%d months (0-31) %H 24-hour hours (0-23) %I 12-hour hours (01-12) %M minutes

First, the data structureprogram = data structure + algorithmData:A collection of data elements that are organized in a way, such as numbering elements , that can be numbers or characters, or even other data structures.The most basic data structure

Python Crawler Mastery-handling Dynamic Web pagesThis article turns from:I spring and autumn community0x01 Prefacein the process of crawler development, we will encounter a lot of difficult problems, of course, for common problems such as UA and

Variable Parameters (*)Variable parameters, as the name implies, its parameters are variable, such as lists, dictionaries and so On. If we need a function to handle a variable number of parameters, we can use variable Parameters.When we look at a

Only the sqlmigrate and sqlflush commands can be used when an app has migrations., sqlmigratesqlflush samcao@samcao-Lenovo-IdeaPad-Y470:~/caodjango/caossh$ python manage.py sqlall getsshSystem check identified some issues:WARNINGS:?: (1_8.W001) The

Python data type, python data type conversion Python has the following five standard data types: 1. Number Both the floating point type and integer type are collectively referred to as the numerical type in Python. 2. String Both one character