Python thread Lock (thread) Learning example

Copy CodeThe code is as follows: # Encoding:utf-8 Import Thread Import time # a function for executing in thread def func (): For I in range (5): print ' func ' Time.sleep (1) # End Current Thread # This method is equivalent to Thread.exit_thread

Python find section K small element code share

Copy CodeThe code is as follows: #-*-Coding:utf-8-*- From random import RandintFrom math import ceil, floor def _partition (A, L, R, I):"" "with a[i] to divide the array a[l for the main element. R], makes:A[l. M-1] """A[i], a[r] = A[r], a[i] # I

Python module restful use method instance

The restful architecture is now a more popular Internet software architecture. REST, the abbreviation for representational state transfer. White point is the site is the software, and then the white dot is a service software support HTTP four ways:

Netbeans7 method diagram for installing Python plugins

We can manually add addresses and install them. : Methods: NetBeans interface, "Tools", "Plugins", click "Settings", click "Add", and then add an update center address, the name can be arbitrary, the URL is as follows:

Python crawl discuz! user name script code

Recently, I learned Python, so I wrote a script that crawled the discuz! user name in Python, with little code but a twist. The idea is simple, that is, the regular match title and then extract the user name to write the text document. Program to

Python crawl jingdong Mall phone List URL instance code

Copy CodeThe code is as follows: #-*-Coding:utf-8-*- ''' Created on 2013-12-5 @author: Good-temper''' Import Urllib2Import BS4Import time def getpage (URLSTR):'''Get page Content'''Content = Urllib2.urlopen (urlstr). Read ()return content def

Win7 Install python generate random number code share

Copy the Code code as follows: Import Random def genrand (Small, big):Return small + (big-small) * Random.random () def display (small, big):Return R ' Please enter the upper and lower limit (default%.2f~%.2f): '% (small, big) Big = 100Small = 0

Python Demo login Tom Mailbox Sample share

Copy CodeThe code is as follows: def logintom (username, password): URL1 = "' Http://login.mail.tom.com/cgi/login ''' Values = { ' type ': ' 0 ', ' User ': '%s '% username, ' In_username ': '%s@tom.com '% username, ' Pass ': '%s '% password, '

Python uses Sina Weibo API to upload images to Weibo samples

Copy CodeThe code is as follows: Import Urllib.parse,os.path,time,sys From http.client import httpsconnection From Pyqt5.qtcore Import * From Pyqt5.qtgui Import * From pyqt5.qtwidgets Import * #pathOSPATH=SYS.PATH[0]If Len (Ospath)!=3:ospath+= ' \

C + + Build DLLs methods that use Python to call DLLs

The first step is to build a CPP DLL project, and then write the following code to generate the DLL Copy the Code code as follows: #include #define DLLEXPORT extern "C" __declspec (DLLEXPORT) DLLEXPORT int __stdcall Hello () { printf (

Python Connection pooling Implementation sample program

Copy CodeThe code is as follows: Import socket Import Queue Import threading def worker ():While True:i = Q.get ()CONN=I[0]ADDR=I[1]While 1:SMS=CONN.RECV (1024)If sms!= "":Print "Message from (" +str (addr[0]) + ":" +str (addr[1]) + "):"

The implementation method of Python two fork tree traversal

Copy CodeThe code is as follows: #!/usr/bin/python #-*-Coding:utf-8-*- Class TreeNode (object):def __init__ (self,data=0,left=0,right=0):Self.data = DataSelf.left = LeftSelf.right = Right Class BTree (object):def __init__ (self,root=0):Self.root =

Implementation and usage of asynchronous callback mechanism for cross-platform python

1 Copy the following code to a file named asyncore.py Copy the Code code as follows: Import socket Import Select Import Sys def ds_asyncore (addr,callback,timeout=5):S=socket.socket (Socket.af_inet,socket. SOCK_STREAM)S.connect (addr)R,w,e =

Python bidirectional linked list implementation instance code

: python bidirectional linked list implementation code : Copy the Code code as follows: #!/usr/bin/python #-*-Coding:utf-8-*- Class Node (object):def __init__ (self,val,p=0):Self.data = ValSelf.next = PSelf.prev = P Class Linklist (object):def

Python high concurrent Asynchronous Server Core Library Forkcore use method

1 Copy the following code into a file and name it forkcore.py Copy the Code code as follows: Import OS Import threading Import Select Import socket Class Ds_forkcore (object):#async IO (Epoll)def ds_epoll (self):Epoll=select.epoll ()Epoll.register

How Python generators are used

What is a generator? The generator is a function that contains a special keyword yield. When called, the generator function returns a generator. You can use the Send,throw,close method to let the generator interact with the outside world. The

Pyramid How to configure session

1. using the default session, in the INI file: Copy CodeThe code is as follows: From pyramid.session import Unencryptedcookiesessionfactoryconfig My_session_factory = Unencryptedcookiesessionfactoryconfig (' Itsaseekreet ') From Pyramid.config

Python using Reportlab illustration example (Chinese characters included)

preparatory work Development environment: Python2.6,reportlab Prepare the Chinese font file: SIMSUN.TTC Code: Copy the Code code as follows: #!/usr/bin/env python2.6 #coding: Utf-8 Import Traceback From reportlab.graphics.shapes import DrawingFrom

Python uses PyV8 to perform JavaScript code sample sharing

Install the appropriate library, I am using the PyV8 It is important to note that the function functions that are written inside are enclosed in (). Copy the Code code as follows: Import PyV8 Class Test (): Def JS (self): Ctxt =

PYV8 learning python and JavaScript variables to interact

python Gets the value inside the JavaScript Copy the Code code as follows: Import PyV8 With Pyv8.jscontext () as ENV1:Env1.eval ("" "Var_i = 1;Var_f = 1.0;var_s = "Test";Var_b = true;""")VARs = Env1.localsVar_i = Vars.var_iPrint Var_i JavaScript

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