Python

There's a data sheet on the line for one months. No data, no monitoring, Boss let me do a monitor, let Python write script to monitor the Oracle data is normal.First, the package involved1, Cx_oracle: Http://sourceforge.net/projects/cx-oracle/files/?

This is a good way to implement module overloading after reading the Python Learning Manual, which can be implemented to reload a module that has already been loaded in a running program, and the module can be recursively implemented to reload other

I. Definitions of classes and constructorsClass name (object):def __init__ (Self,name,score):Self.name = NameSelf.score = Scoredef show_info (self):Print ("Name=", Name, "Score=", score)Class names are usually uppercaseSecond, through the variable

Exercise 1:# write code, there are the following variables, please follow the requirements to achieve each function (a total of 6 points, each small topic 0.5 points)Name = "AleX"# 1) Remove the space on both sides of the value corresponding to the

How to use the Hasattr function1 #How to use the Hasattr function2 #hasattr (object,attr)3 #determine if there is a property or method in an object that returns a Boolean value that has true, otherwise false4 classPerson ():5 " "Test Class"

Basic file Operation:#-*-coding:utf-8-*- fromIdlelib. IobindingImportencoding#Simple operation Simple reading and writing#Get file handle" "Open () can specify the opening mode, R: Default is read-only ' R ' r+: Read and write open (write is append)

Function Description: Implement Simple file upload and download functionThe program is divided into three parts:①ftp_opr.py upload and download function, need to be together with other programs②ftp_server.py Service-side program③ftp_client.py client

One inheritanceInheritance is a relationship of what is what.class people: Pass class Animal: Pass class Student (people,animal): Pass Print (Student. __bases__)Print (people.__bases__)Output:(class'__main__. People', class'__main__.

Say in advance, this article benefits a lot, other do not say, directly let you play back to the most feel the nostalgic game, parameter mapping is very convenient for you can modify according to your preferences Oh.This article expands through the

First, data types in PythonPython is a weak type of programming language, but when it comes to manipulating data, it still exists and must involve the concept of a specific data type.The basic data types in Python can be divided into:Numeric type:

Class:Class, which is an abstraction of a group of objects with the same properties and methods.A stricter definition of a class is a cohesive package that consists of a particular kind of meta-data. It describes the rules of behavior of some

In Python, the list is equivalent to an array in other high-level programming languages, summarizing the basics of the list:　　To access a list element:　　In Python , the index of the first list element is 0, not 1. This is true in most programming

The so-called slices are actually part of the list of elements --python called slices . to create a slice, you specify the index of the first element and the last element to be used . Players = ['Charles','Martina','Michael','Florence','Eli']

Python Selenium into the UI Automation test will encounter file upload and download operations, the following describes the file download operationThis article describes the operation of downloading files using the Firefox browser.1. Set file

Dependent libraries Yum Install Python-develYum install libjpeg libjpeg-devel zlib zlib-devel freetype freetype-devel lcms lcms-develYum Install python-imaging Download unzip wget

semicolonDo not add semicolons at the end of the line, and do not use semicolons to place two commands on the same row.length of the Presidentno more than 80 characters per lineException: If you use Python version 2.4 or earlier, the imported module

Python Regular expression re moduleSearch for a field in a hit textPython has a library reImport reThe regular expression. Point denotes any character[A-z] This position must be a lowercase a to Z letterPrint (Lent (result))Search for a field in a

This article mainly introduces Python3.4 programming to achieve a simple crawler crawler function, involving Python3.4 Web page crawl and regular parsing related operation skills, the need for friends can refer to the next In this paper, the Python3

This article to you to share Python on the reflection and class of special member method, very good, with reference value, need to refer to the friend Reflection Reflection is thought of 4 built-in functions: GetAttr, Hasattr, SetAttr, delattr get

This article to everyone in Python descriptor related knowledge, very good, with reference value, need to refer to a friend Defined Typically, a descriptor is an object property that has a binding behavior. The binding behavior can be overridden by