Python

Recommended for development under Windows, low cost, simple, and high efficiency.Synthesis under: Development of the program, Python Django (mysql,postgresql) Nginx Redis, this group of combinations can be adapted to different platforms, Linux or

1 #First Python instance: monitoring CPU2 #/bin/bash/env Python3 from __future__ Importprint_function4 fromCollectionsImportordereddict5 ImportPprint6 7 defCPUinfo ():8 " "Return the information in/proc/cpuinfo9 As a dictionary in the

#-*-coding:utf-8-*-#python#Xiaodeng#python implementation ftp upload download code (with error handling)#Http://www.cnblogs.com/kaituorensheng/p/4480512.html#_label2ImportFtplibImportSocketImportOSdefFtpconnect (ftp_info):Try: FTP=Ftplib. FTP

Here are the key points to be used:Eventlet is a Python library function used to handle network-related functions, and can be implemented by a concurrent process, in Eventlet , the "co-process" is called greenthread (green thread). The so-called

Functions are used to encapsulate code that needs to be used frequently and to avoid duplication of writing.First, the definition of the function formatdef function name (parameter):function codeSecond, the parameters of the function1. General

1.List functionThe list function can create character lists through strings, as shown here: >>> list (' Hello ') [' H ', ' e ', ' l ', ' l ', ' O '] The list function can be used for all types of sequences, not limited to strings. 2. Basic

#-*-coding:utf-8-*-#python#Xiaodeng#Python module filecmp (File/directory comparison)#used to compare the contents of files and folders. He is a lightweight tool. You can do some simple file comparison operation, the same files on the computer to

1 A lot of people's efforts are a scratch.2. A lot of people are still trying.3. Half a year after the turnBubbling algorithm:For-N in range (1,len (LI)): for m in range (Len (LI)-n): num1 = li[m] num2 = li[m+1]if num1 > num2:

This series of blogs introduces the development of mini-games in the Python+pygame library. There is the wrong point of writing and hope you haihan.In the previous article, we introduced Pygame's Getting started operation Http://www.cnblogs.com/msxh/

Operator and usage operator name Description Example + Add Two objects added 3 + 5 get 8. ' A ' + ' B ' gets ' ab '. - Reducing Get negative numbers or one number

The dictionary is similar to the Address book where you find the address and contact details by contact name, that is, we associate the key (first name) with the value (details).Note that the key must be unique, as if two people happen to have the

Function prototypesDeclaration: STR is a string, S is the sequence of characters to be deletedStr.strip (s) removes the character from the beginning, end of the STR string, and the deletion sequence in sStr.lstrip (s) remove the characters from the

Practiced before, but for a long time no, rusty, the concept has also been born,Relive it.Url:http://www.cnblogs.com/holbrook/tag/%E5%A4%9A%E7%BA%BF%E7%A8%8B/~~~~~~~Mutexes are the simplest thread-synchronization mechanism, and Python-provided

Now the main language of work is Java,java in enterprise-class applications can play a very good use, but sometimes to do a small function, such as batch update files, crawl pages, and so on, this time with Java is too cumbersome. So I learned the

SummaryThis article mainly writes the Python script to connect multiple servers remotely, then executes the commands in bulk and returns the command execution results.This can be said to be the simplest prototype of tools such as Ansible,puppet.The

# -*- coding:utf-8 -*-import sysimport timeimport timefrom collections  import namedtuplet = [     ("U32", "N1"),  #格式,  variable name        ("U6", "N2"),     ("U4", "N3"),    (  "U3", "N4"),      ("U3", "N5"),     ("U16", "N6"),     ("U7", "N7"),  

First, the conceptserialization (serialization): Converts the state information of an object into a process that can be stored or transmitted over a network, in the form of JSON, XML, and so on. Deserialization is the state of the deserialized

[Programmer technical skills] Learning a scripting language python (1) file processing, Currently, the main language used in my work is java. java can play a good role in enterprise-level applications. However, sometimes I need to perform minor

Textwrap text style processing skills for python programming and development, This article describes how to process textwrap text styles in python programming. We will share this with you for your reference. The details are as follows: When reading

Python Study Notes (08)List Method: append a new object to the end of the list, for example, a = [, 4] append (10), 6, 5,] count: count the number of times an element appears in the list. Example: ss = [, 4] ss. count (5) >>> 2ss. count (4) >>> 1