Python

One, dictionary1. Dictionaries are also referred to as associative arrays or hash lists in other programming languages;2. Features:A. Implement element access through key values;B. unordered collection;C. variable type container;d. variable length;E.

The use of Python convenient class library, you can quickly realize the health of the site monitoring, mainly including 80 ports (that is, the site running port), other TCP services, such as the monitoring of the port can understand the server about

LinuxImport socketImport FcntlImport structdef get_ip_address (ifname):s = socket.socket (socket.af_inet, socket. SOCK_DGRAM)Return Socket.inet_ntoa (Fcntl.ioctl (S.fileno (),0x8915, # SIOCGIFADDRStruct.pack (' 256s ', ifname[:15]))

Python timestamp and date reciprocal conversion (2014-03-17 11:24:35) reprint Category: Python Current timestamp: time.time () Current date: Time.ctime () 1, Python conversion from date to timestamp import

The dates and times are mainly two libraries, datetime and time.DateTime: Datetime.date.today () Date and time: Datetime.datetime.now () 1000 days later: Datetime.datetimedelta (days=1000) Problem printing format: Isoformat (), strftime () string

Copying MP3 files from window to Ubuntu, many of the MP3 tags are garbled. So I want to write a Python program to deal with it.The music file name copied from the cool dog is the author-title, so you can get the author and title information directly

#给a赋值100. Judge A then produce a different output followed by a colon, not a semicolon, English is not Chinese. A = 100if a >= 50:print (a) else:print (-a)A statement that begins with a # is a comment that is visible to the person and can be

Python 2.6+defcfglogging (): fromLogging.handlersImportRotatingfilehandler Console=logging. Streamhandler () Console.setlevel (logging. DEBUG) Rthandler= Rotatingfilehandler ('/var/log/net-mornitor.log', maxbytes=10*1024*1024,backupcount=5)

V=models. Charfield (max_length=none[, **options]) #varcharV=models. Emailfield ([max_length=75, **options]) #varcharV=models. Urlfield ([Verify_exists=true, max_length=200, **options]) #varcharV=models. Filefield (upload_to=none[, max_length=100, **

Reference: http://blog.csdn.net/ghostfromheaven/article/details/8604738ImportWin32serviceutilImportWin32serviceImportwin32eventclassPythonservice (Win32serviceutil. Serviceframework):"""""" #Service Name_svc_name_ ="Pythonservice" #Service

Hundreds of devices are often managed using the Paramiko tool. The main is to fetch files from the top every day, as a backup.Today we found that the program has been running for 10 hours before it is over, just go up and see what happened.Check the

Creation and access of Python listsMovies = ["the Holy Grail","the Life ofBrian"," The meaningof life"]print(movies[1])List of commonly used BIFPrint () display list contentsLen () calculates the data item for the listAppend () Adds a data item at

1. ' = ' and ' = = ' questions* in C, write ' = = ' in the IF statement as ' = ' without error,Example: if c = = 1 written if C = 1Avoidance method: if 1 = = C, if written as if 1 = C compiler will error* In Python, this does not happen,Because:

This module contains common operating system functions. This module is especially important if you want your program to be platform-agnostic. That is, it allows a program to be written without any changes or problems, and can be run under Linux and

Location where the PIP source configuration file can be placed:Linux/unix: /etc/pip.conf ~/.pip/pip.conf ~/.config/pip/pip.conf Mac OSX: ~/library/application support/pip/pip.conf ~/.pip/pip.conf

Recently, when looking for a job interview will always be asked about the sorting algorithm, the sorting algorithm is now a systematic summary. Also is to review again again, have a lot of oneself also forgot almost.Sorting has two main categories:

Interpreting the namespaces and scopes in Python programming and interpreting python namespaces A variable is the name (identifier) of a matched object ). A namespace is a dictionary containing variable names (KEYS) and their corresponding objects

[Python journey] Article 6 (III): Python multithreading and usageTo learn the Multi-threading of Python, at least the basic concepts of processes and threads should be involved. You can refer to the article I have posted: a simple explanation of

Use of numbers and Arithmetic Operators in Python Python numbersThe numeric data type is used to store numeric values.They are unchangeable data types, which means that changing the numeric data type will allocate a new object.When you specify a

First understanding of list and bit operators in Python, python list Operators Python listList is the most frequently used data type in Python.The list can implement the data structure of most collection classes. It supports characters, numbers,