Python

Class ThreadPool (object): def __init__ (self, max_num=20): # Create a queue with a maximum of 10 data Self.queue = queue. Queue (max_num) # populate thread classes in Queues # "Thread class, Thread class, Thread class, Thread class,

5-1. Definition of function1. What is a function? Popularly speaking, function is the meaning of function, function is used to encapsulate a specific function, the function is divided into two types, one is the system itself, not we write its

1 #-*-coding:utf8-*-2 #Import re library file3 ImportRe4 fromReImportfindall,search,s5Secret_code ='HADKFALIFEXXIXXFASDJIFJA134XXLOVEXX23345SDFXXYOUXX8DFSE'6 7 #use an example to match any character, except for line break \ n8 #a = ' xy123 '9 #B =

1 #!/usr/bin/env python2 # ---------------------------------------3 #Author:geng Jie4 #Email: [Email protected]5 #6 #Create time:2016/3/16 22:057 # ----------------------------------------8 9 Ten classNode (): One def __init__(self, data): ASelf.

Pip is a tool for installing and managing Python packages and is a replacement for Easy_install. This article details how to install the PIP and some basic operations using PIP such as installing, updating, and uninstalling the Python package.First,

WINDOWS8 64-bit system1, download Phtyon address https://www.python.org/getit/Download:Installation steps: Windows8, install with a command prompt (administrator) . At the input command prompt, direct output msiexec/package

When Python is programmed, it often deals with files and directories, which is not the OS module. The OS module contains common operating system features, regardless of the specific platform. The following list of commonly used commands1. Os.name ()-

The execution environment of a web2py applicationIn the execution environment where models,controllers and views are located, the following objects have been imported by default:Global

Cryptographic algorithms: sha1,sha224, SHA256, SHA384, SHA512, MD5 1. MD5 Import= hashlib.md5 () m.update (b"Hello") # Encryption M.update (b"It's Me") # re-encrypt a print( M.digest ()) # binary print(M.hexdigest ()) #16 binary2.sha1#

PythonEnvironment ConstructionPython can be applied to multiple platforms including Linux and Mac OS x.You can enter the "python" command from the terminal window to see if you have installed Python and the Python installation version locally.

Greedy mode and non-greedy mode of quantitative wordsRegular expressions are typically used to find matching strings in text. The number of words in Python is greedy by default (which may be the default non-greedy in a few languages), always trying

First of all, the function parameter transfer mechanism should be popular , what does the value and the reference mean?The problem of function parameter passing mechanism is essentially the method that calls the function (procedure) and the called

Routing systemThe first general Setup methodFrom Django.conf.urls import include, Urlfrom django.contrib import adminfrom indexpage import viewsurlpatterns = [url (R ' ^$ ', views.indexpage), url (r ' ^reg/$ ', views.reg), url (r ' ^home/$ ',

Reference Documentation:1, King Kok Wang Blog: http://www.cnblogs.com/alex3714/articles/5188179.html2, Silver corner King Blog: http://www.cnblogs.com/wupeiqi/articles/5017742.html1, reflection of the __import__:We know that the import statement is

In Python development (http://www.maiziedu.com/course/python-px/) , we generally use the get, Post Way to send http request, but recently, using python for interface testing, There are many ways to find the HTTP request method in python , the

Python module reference and search path, python module path Independent reference between modules is the basic capability of any programming language. The term "module" may be different in various programming languages, but we can simply think that

Python beginner's notes (1) and python beginner's notes On the first day of learning python, I hope I can truly understand the computer language and make some achievements.   Write down study notes, record learning progress, entertain and learn, and

In-depth analysis of list and its slicing and iteration operations in Python, Ordered list >>> listTest = ['ha','test','yes']>>> listTest['ha', 'test', 'yes'] Len () gets the number of list elements. >>> len(listTest)3 You can use indexes to access

Explanation of random number generated by the random module in Python, pythonrandom The random module in Python is used to generate random numbers. The following describes the most common functions in the random module. Random. random Random. random

Python iterator and generator details, python generator details Example Old rule: first run the following code: def add(s, x): return s + xdef gen(): for i in range(4): yield ibase = gen()for n in [1, 10]: base = (add(i, n) for i in base)print list(