Python

There is a demand online, formatting, from a pile of s1, s100-s199 to find continuous servers and formatting display, such:Magic: S106-109, s123, s125Royal sword: s106-109, s123, s125Copy codeThe Code is as follows:#! /Usr/bin/env python#-*-Coding:

Copy codeThe Code is as follows:#! /Usr/bin/env pythonImport sysFrom PyQt4 import QtGui, QtCoreImport httplibFrom urllib import urlencodeImport re Def out (text ):P = re. compile (R '","')M = p. split (text)Result = unicode (m [0] [4:]. decode ('utf-

Python version:Copy codeThe Code is as follows:#! /Usr/bin/env pythonImport OS, sys;Def walk (path ):Print "cd directory:" + pathFor item in OS. listdir (path ):Try:If (item = ". DS_Store "):Global countCount = count + 1Print "find file. Ds_Store"OS.

Copy codeThe Code is as follows:#! /Usr/bin/env python#-*-Coding: UTF-8 -*- # Import the random and string modulesImport random, string Def GenPassword (length ):# Number of random numbersNumOfNum = random. randint (1, length-1)NumOfLetter =

Previously, we read data from the file, processed the data, and printed it using the print statement. However, we often need to save the processed data to a file. So here we will introduce how to save the processed data to a file, because we only

Import time print time. strftime ('% H-% M-% s ')Time and date formatting symbols in python: % Y two-digit year (00-99) % Y indicates the four-digit year (000-9999) % M month (01-12) One day in % d month (0-31) % H hour in 24-hour format (0-23)

Python shell >>> open('abc.txt ', 'R') Traceback (most recent call last): File "", line 1, in IOError: [Errno 2] No such file or directory: 'abc.txt 'open a file named abc.txt that does not exist. If the system cannot find the file named abc.txt,

Sometimes it is inevitable to directly call Shell commands to complete some simple operations, such as mount a file system. So how can we use Python to call Linux Shell commands? The following describes several common methods:1. OS Module 1.1. exec

A bug in Libmimetypes. py in python27, which belongs to the def enum_types (mimedb) function: Error message:   File D: Python27libmimetypes. py, line 249, in enum_types ctype = ctype. encode (default_encoding) # omit in 3.x! UnicodeDecodeError:

Because voice recognition requires the use of voxforge speech files, but there are too many voxforge files, manual download is definitely not acceptable. You can use the batch Download Software for download. Out of curiosity, I plan to use python to

This chapter describes how to create your own objects: 7.2 create your own class First, you can use a simple class. _metaclass_=type>>> class Person:def setName(self,name):self.name=namedef getName(self):return self.namedef greet(self):print ("hello

In the previous article, we used python for file reading and simple data processing, but we encountered a problem during processing, it means that an error is caused by the absence of a colon in a row. In the end, we add the if statement to the

The performance of the table jumping is similar to that of the Red/black tree AVL, but the structure is quite simple. You can easily perform table jumping by simply operating the linked list. Refer to the following article and use python to

Copy codeThe Code is as follows:# Compare two strings. If they are different, return the first different position# If the same result is returned, 0 is returned.Def cmpstr (str1, str2 ):Col = 0For c1, c2 in zip (str1, str2 ):If c1 = c2:Col + =

Copy codeThe Code is as follows:Import urllib. parse, OS. path, time, sys, re, urllib. requestFrom http. client import HTTPSConnectionFrom PyQt5.QtCore import *From PyQt5.QtGui import *From PyQt5.QtWidgets import *From PyQt5.QtWebKitWidgets import

1. Copy the following code to a file named asyncore. py. Copy codeThe Code is as follows:Import socketImport selectImport sys Def ds_asyncore (addr, callback, timeout = 5 ):S = socket. socket (socket. AF_INET, socket. SOCK_STREAM)S. connect (addr)R,

Click to download the information collected from the Internet. If you want to provide it to anyone who needs it, ^_^

The struct module of Python is used to create and extract packaged binary data from strings.Pack (fmt, v1, v2,...) encapsulates data into strings (actually byte streams similar to the c struct) in the given format (fmt ). Unpack (fmt, string) parses

Map Functions Python actually provides a built-in tool, map function. The main function of this function is to apply the passed-in function to each element of a sequence object, and return a list containing the results of all function

This article is translated from How to become a proficient Python programmer. This article is a summary of some articles I have collected. Because many talented people have already written a lot of good articles about how to become a good Python