Python

Features of the 1.VIM#vim ~/.VIMRCSet AI//setting Auto IndentSet Expandtab//block convert 8 spaces to tabTherefore, in some cases, the appropriate use of single double quotation marks, to achieve their goals. Such as:>>>print "Tom ' s phone namber

Installation under Windows is cumbersome, using Easy_install installation error hints missing FreeType and PNGAfter the multi-query, the final installation successThe following is the installation processThe premise is that your Python environment

Function: Determine if it is a numberLaw One:VI 11.py#！ /usr/bin/pythondef fun ():STH = raw_input ("Please input something:")Tryif Type (int (sth)) ==type (1):Print "%s is a number"%sthExcept ValueError:Print "%s is not number"%sthFun ()Save and

#Encoding:utf-8#you need to specify the encoding#Introducing SYSImportSYS#introduction of files in the same directoryImportfunction1#output a line of welcome informationPrint "Hello World"##basic Data type:#int#float#BOOL#Long###the array in Python:#

1        function1.1   calling FunctionsTo invoke a function, you need to know the name and parameters of the function .ABS Absolute Value function>>> ABS (-10)10>>> ABS (-213)213Max Maximum value function>>> Max ( -1,2,5)5Data type conversions>>>

Do the development of friends in writing code at the same time generally will write test code, which for the students to do operation and maintenance is seldom used.Today we will write the test code, using the UnitTest module.Cat test.pyImport

The previous article on the installation of Nginx, Python, uwsgi process, here no longer repeat. The following are some of the processes and issues involved in the specific deployment processOne, because the use of BS4 (BeautifulSoup) \paste\lxml so

Yesterday I want to do a Python function in the number of send statistics, need to use global variables, as follows1COUNT =02 3 defsendonelinemsg (producer, listfromline):4Acsnstr =Listfromline[0]5Macstr = listfromline[1]6Onlinetimestr =

Error Restore:Read errorIn the process of reading the file, trying to read the data in the TXT file according to the size of 4 bytes (1 points) in sequence, reading and processing, can read to Ae99 1a41, the data is no longer continuous, 1a can not

The third of the basic article:One, the set of the data type.Summary: Set is unordered and does not repeat.1, create the set:s = {1,2,3}print (S,type (s)) List1 = [1,2,3]s1= (list1) print (S1,type (list1)) s2 = set () print (S2,type (S2)){1, 2, 3} [1

For non-programmer trained of the technical staff, understand a lot of development ideas in the field of things, in fact, is a very painful thing, until the touch of the class in Python, I understand what is object-oriented, more understanding or

The third of the basic article:One, the set of the data type.Summary: Set is unordered and does not repeat.1, create the set:s = {1,2,3}print (S,type (s)) List1 = [1,2,3]s1= (list1) print (S1,type (list1)) s2 = set () print (S2,type (S2)){1, 2, 3} [1

Format character%[(name)][floags][width]. [Precision]typecode(name) optional, to select the specified key flags optional , available values are: + right- aligned, integer before home Plus, negative number before plus minus -

Scenario: When a Web monitor matches a corresponding keyword, the matching content is put into the Redis database. The Redis database is constantly increasing over time.Function: Realize when the data in Redis database increases, want the user to

1, ordinary parameters (in strict accordance with the order, the actual parameters assigned to the formal parameters)2. Default parameters (must be placed at the end of the parameter list)3, set the parameters (the actual parameters assigned to the

Introduction to set Set Set:Unordered, non-repeating sequenceUse {} to createLI=[11,22,11,22]Se1=set (LI) #将列表转换成集合Functionse={"Zhang",' tie '#Se1.add (123) AddTake the difference setS1={11,22,33} s2={22,33,44} s3=s1.difference (S2) takes out the S3

nginx Configuration Ngnix, a high-performance Web server, is undoubtedly the darling of the present. Excellent performance, flexible and scalable, in the field of servers in the siege of the village, fighting the world. Static files are an integral

Understand producer and consumer models and Application Instances in Python programming. Producer python What is a producer-consumer model? At work, you may encounter a situation where a module is responsible for generating data and the data is

Python annotator usage learning notes, python learning notes In python, the @ func. this is the decorator. The decorator uses a function as a parameter and is often used to extend existing functions, that is, adding a function without changing the

Python352 + PyQT5 btcdice.com verification program, python352pyqt5 0. Reward:Doge: DU5zf68E7x4YtMayUaX91z6dQDouS2u5aeLTC: LR4Qm8Cc2jKRdV4MZCpXtrAE8SZ2dXuj1o   #! /Usr/bin/python3from PyQt5.QtWidgets import * from PyQt5.QtGui import * from