Python

Commonly used composite data types in Python Sequence type List: Use ' [] ' to create, such as ["Hello", "World", "Hello", "Python"], the list is a Mutable object, supporting the original modification (that is, it can be

There are two basic loops, for loops and which loops For Loop basic format: The For statement is a circular control statement in Python. Can be used to traverse an object and also have an optional else block attached, which is used primarily to

File reading and writing is a more important part, which is more common in practical application. The program reads the file mainly in three steps, open-read-close.Open the file using the Open function, read using the Read function, and turn off the

Before writing the solution, make a list Special characters in Python regular expressions:^ indicates that matching characters must be at the front$ indicates that matching characters must be on the last side* Match * Previous characters 0 times or

One, SMTP sends mail Here the Python script is to log 126 of SMTP to send mail to the QQ mailbox.QQ mailbox use is encrypted stmp, need to encrypt version of children's shoes please pay attention to the subsequent updates.TIPS: My local environment

Because of some irresistible factors, Python's official packages are sometimes inaccessible or network-unstable in the country. To solve this problem, you need to modify the source address from the PIP to the mirrored address. The better mirrored

The reference function is turned off.No certificate encryption is good outside the two sides do not need to maintain the certificate, encryption and decryption only need two parties to agree a key can be, no certificate and decryption way to apply

In this article, "Ha" is interpreted as an example to explain all the problems, the various encodings of "Ha" are as follows: 1. UNICODE (utf8-16), C854; 2. utf-8,e59388; 3. Gbk,b9fe. I. STR and Unicode in Python For a long time, the Chinese

1.        Use Chinese in pythonThere are two default strings in python: str and unicode. In python, be sure to distinguish between "unicode string" and "unicode object. All subsequent "unicode strings" refer to "unicode objects" in python ".In fact,

_ Dir _-> Let's see a small example.In [1]: class T (object ):...: Pass...:In [2]: t = T ()In [3]: t. Nothing...In [4]: class T2 (object ):...: Def _ dir _ (self ):...: Return ['A', 'B']...:In [5]: t = T2 ()In [6]: t.T. a t. BIn [7]: dir (t)Out [7]:

First look at the code:Nginx log monitoring script Python#! /Usr/bin/python2.6# Coding = UTF-8Import OSImport time# LoggingNum_file = '/data/www/www.111cn.net/log/num'Log_file = '/data/www/www.111cn.net/log/www.111cn.net.log'# Ip shield functionDef

Python has always had poor support for Chinese characters. Recently it has encountered encoding problems, and there are almost no general solutions to solve this problem. However, after trying common methods, the findings can still be solved. The