Python

Directly on the code: Copy Code code as follows: #-*-coding:cp936-*- Import Urllib Import OS print ' Download data ... ' url = ' http://cn.bing.com ' urlfile = Urllib.urlopen (URL) data = Urlfile.read () Urlfile.close () data =

1. Create a Django ProjectUse django-admin.py startproject mydjangosite reference here2, establish the viewFrom django.http import httpresponsedef Hello (Request): Return HttpResponse ("My first simple Python Django project." ")3. Modify urls.py

About the split and join methods for string Os.path.splie () for importing an OS module ()/os.path.join () looks like a different processing mechanism, but functionally. 1.string.split (str= ', Num=string.count (str)): delimited by str, character

It is often necessary to extract the specific URL address of the APK file in the work, so think of using Python script for automatic processing.The Python basics you need to use are as follows:Os.walk ()function declaration: Os.walk

1.urlopen () methodUrllib.urlopen (url[, data[, proxies]): Create a class file object that represents a remote URL, and then manipulate the class file object like a local file to get the remote data.The parameter URL represents the path of the

Google for a while, basically use Select to achieve non-blocking listening, but the problem is that the listener is using select is not like GetChar (), immediately receive a single character input, you must wait for carriage return. After efforts

(1) Os.system Run system commands on only one child terminal and not get return information after command execution Copy Code code as follows: System (command)-> exit_status Execute the command (a string) in a subshell. If

Counter is a special kind of dictionary, which is mainly convenient for counting, the key is to count the number of Item,value saved. From collections import Counter >>> c = Counter (' Hello,world ') Counter ({' L ': 3, ' O ': 2, ' E ': 1, '

1. Algorithm Description:(1) Total cycle n-1 times(2) in each loop, if the preceding number is greater than the following number, swap(3) Set a label, if the last time there is no exchange, it means that this is already good. 2.python Bubble Sort

Recently in Python data statistics, summed up some of the recent use of some tips to find and summarize, hoping to help in doing this in some children's shoes. Some of the techniques are common and we don't pay attention to them at ordinary times,

The examples in this article describe Python global variable usage. Share to everyone for your reference, specific as follows: Global variables do not conform to the spirit of parameter passing, so I rarely use them unless we define constants.

Look at the effect chart first gy-85.py: Copy Code code as follows: #!/usr/bin/python3 #-*-Coding:utf-8-*- Import Curses From time Import * From i2clibraries import i2c_itg3205, i2c_adxl345,

The example of this article for you to share the Python email streamlined code for your reference, the specific contents are as follows Import Smtplib from email.mime.text import mimetext from email.utils import formataddr #发送邮件功能 def

One or two differences List: 1. Can add list content append 2. You can count the number of times a list segment appears in the entire list 3. You can insert a string and split each letter of the entire string as a list segment to append to the

As you all know, Linux is all files, in the root directory of Linux/unix, there is a/proc directory, this/proc is a kernel and the kernel module is used to send information to processes (process) mechanism (so called "proc"), This pseudo file system

Win7 The above requires the use of administrator privileges. Copy Code code as follows: #-*-Coding:utf-8-*- Import OS Import Glob Import Shutil def format_file_list (Files):All_files_str = ""For I in range (len

The first is a screenshot that intercepts an image from the camera: Copy Code code as follows: While 1: #测试摄像头的存在 Try Cam = Device () Except Print "No webcam found!" Continue Break The image is then uploaded to

An example of counting in Python algorithm learning Copy Code code as follows: #-*-Coding:utf-8-*- def _counting_sort (A, B, K):The "" "Count sort, pseudo code is as follows:Counting-sort (A, B, K)1 for i←0 to K//Initialize store

Copy Code code as follows: Import PDB def pdb_test (ARG): For I in range (ARG): Print (i) return arg Pdb.run ("Pdb_test (3)") b function name, line number: Break point, B can query all breakpoints. Copy Code

Copy Code code as follows: #!/usr/bin/env Python From __future__ import print_functionFrom collections Import Ordereddict Def meminfo ():"" Return the information In/proc/meminfoAs a dictionary ' 'Meminfo=ordereddict () With