Python

Server. py:   Import socketSock = socket. socket (socket. af_inet, socket. sock_stream)Sock. BIND ("", 8080 ))Sock. Listen (5)Try:While true:Newsock, address = sock. Accept ()Print "connect from", addressWhile true:Newsock. Send ("RSp from server

Generally, we call OS. System (CMD) to obtain whether the command can be successfully executed. That is, whether the execution is successful if the result is 0 or if it is not 0. Sometimes we want to determine whether the command is successful or

For Python values. I encountered a problem today, abstracted as the test I code below 1: #!/usr/bin/python2.6 2:  3:

Preface: I recently wrote a python program, and encountered an exception when entering the site. Therefore, I need to capture exceptions. I checked the following materials and sorted them out as follows: Common Exception Handling Methods:Suppose

1. Import re Cr = Re. Compile ("how to write ")S = "abcd123d123ad1v123"Print Cr. findall (s)I want to find a string that starts with a and ends with a string of 123, but does not contain a string of 123. For example, the result of the above question

Document directory Mutex lock Synchronization Each thread is independent of each other and has no relationship with each other. Now let's assume that there is a global count num. Each thread obtains the global count, processes it according to

Mutex lock is the simplest thread synchronization mechanism. The condition object provided by Python provides support for complex thread synchronization problems. Condition is called a condition variable. In addition to providing acquire and release

# Filename: backup_ver1.pyimport osimport time #1. the files and directories to be backed up are specified in a list. source = ['/home/anpan/python'] # If you are using Windows, use source = [R 'C: \ documents', r 'd: \ work'] or something like that

  Recently I wrote a Douban personal radio station automatically download jixin song applet, basically can download, but need to manually "http://douban.fm/mine? Type = liked "page all downloaded, a little egg pain ,--!!. Because the function of

Obtain the current path through Python Programming When writing various applications, obtaining the current path has always been a classic problem. Only by obtaining the current path can we further find all other files in the same path. The Python

I. Introduction The crawler contains two classes: one for managing the entire crawler process and one for retrieving and parsing each Downloaded web page (retriever ).Ii. Procedures #!/usr/bin/env pythonfrom sys import argvfrom os import

After the thread starts, a function is executed. After the function is executed, the thread ends and the function is executed only once.Below I will give some explanations in the form of a question. How can I implement this function to keep threads

Use mysqldb in Python 18:39:02Label: Python Mysqldb MySQL Database Leisure Download and install mysqldb Linux version Http://sourceforge.net/projects/mysql-python/ download, installation is to install setuptools first, and then under the download

Use python to test how many threads can be created in your system 08:27:00 let me talk about two sentences: iihero Add to favorites I want to contribute Use a loop to constantly create threads and notify them until exceptions

Python uses Socket to transmit files [Copy links]       Direct elevator1#Posted at 10:14:19| View only the author | view in reverse order The most important steps for python to transfer files

Python POST request Previous/Next Article 10:29:15/person type: PythonView (176 )/ Comment (0 )/ Score (0/ 0) Post Method 1: The request data format is: test SME-MEETING 006317 user@163.com etester memo Remove You can directly use Python

#!/usr/bin/pythonimport globimport osimport sysfrom PIL import ImageEXTS = 'jpg', 'jpeg', 'JPG', 'JPEG', 'gif', 'GIF', 'png', 'PNG'def avhash(im): if not isinstance(im, Image.Image): im = Image.open(im) im = im.resize((8, 8),

1. Read Excel  Here we will introduce a good package xlrs that can work on any platform. This means that you can read Excel files in Linux. First, open the workbook; Import xlrd WB = xlrd.open_workbook('myworkbook.xls ') Check Form Name: WB.

A list is a sequence object that can contain any Python data information, such as strings, numbers, lists, and tuples. The data in the list is variable. You can use the object method to add, modify, or delete data in the list. You can use the list

#! /usr/bin/env python# -*- coding:utf-8 -*-import sysclass sort(object) : @classmethod def __bubble_sort(cls, data = [], start = 0, end = -1) : if end len(data) : end = len(data) if end data[j] :