Python

From the blog: Shanghai-leisurelyOriginal address: http://www.cnblogs.com/yoyoketang/tag/unittest/ObjectiveIn the previous unittest, the setup can be executed before each execution of the use case, which effectively reduces the amount of code, but

ObjectiveWhen you open a link on the page, often pop-up another window (multi-window case in front of this is explained: Selenium2+python Automation 13-Multi-window, handle (handle)), so it is more complicated to switch back and forth between

First, iteration1. Repeat2. The next repetition is based on the last resultSecond, iteratorsIn order to provide an iterative approach that does not depend on the index, Python will build a __iter__ method for some objects, obj.__iter__ is called an

This post goes from blog: Shanghai-Little TOriginal address: http://blog.csdn.net/real_tino/article/details/59068827When we browse the Web page, we often encounter various patterns of pop-up windows, in the UI Automation testing is bound to deal

1. String removal space# # Strip (self, Chars=none) #去除字符串两端空格 # Lstrip (self, chars=none) #去除字符串左端空格 # Rstrip (self, chars=none) #去除字符串右端空格程序: str1 =  "Hello world!    "Print Str1.strip () print Str1.lstrip () print str1.rstrip () run result: Hello

Python's namespace is something the Python program ape must understand, and learning about the Python namespace will allow us to essentially master some of the trivial rules in Python.Next I will reveal the nature of the Python namespace in four

The ==pipes module = = (Unix only) "Pipes" module provides support for "conversion pipeline (conversion pipelines)". You can create pipelines that contain many external tool calls to handle multiple files. As shown in [Example 3-8 #eg-3-8].

Using regular expressions to handle Nginx logsOneGroup regular matches for a single row of logs, returning the matching results (in dictionary format):From datetime import datetimeimport re# single-line log logline = "183.60.212.153--[19/feb/2013:10:

PEP8 Python Coding SpecificationA code orchestration1 indent. Indentation of 4 spaces (the editor can do this), no tap, no mix of taps and spaces.2 The maximum length per line is 79, the line break can use backslashes, preferably with parentheses.

Chicken soup:First of all, I must cherish a grateful heart, thank the people in this world contact with me, whether you are concerned about me, is help, is indifferent, even disgust, I thank you.Because care and help make me feel the hope of

One, open mode of the file Open mode Description R Read-only mode open, default W Write-only opening, written in append form, if file is directly overwritten, if there is no file created

Remember before with my female ticket said, said to help her space praise, point to 999 will not point. At first can remember every day, but later things a lot, will inevitably forget, the first two days of praise when suddenly feel so good boring

#!/usr/bin/python#-*-encoding:utf-8-*-classAnimal:animal_num=0classDog (Animal):#Class Help documentation ' This is help' #two underscore, class's private property, cannot be accessed outside the class, Self.__dog_name access is used inside

CollectionYou can create a collection with Set (), or directly with {}Set_a = Set ([1,2,3,4,5]) Set_b = {1,3,5,7,9}print (set_a) print (set_b) print (Type (set_a), type (set_b))The collection also has a variety of operations, which can be recorded

As you may have heard, the function with yield is called generator (generator) in Python, what is generator?Let's throw away the generator and show the concept of yield with a common programming topic.How to generate Fibonacci columnsThe Fibonacci

Well, learning other languages has not been practiced all the time, hehe.test.py1 #-*-Coding:utf-8-*-23 str = "I am worker"4 Print str.capitalize ()5 Print Str.center (20)6 print Str.count (")7 Print Str.count (", 0, 4)8 str1 = "China"9 Str1.decode (

Ln-s specify who the source isL is a soft connection where the source file is equivalent to a shortcut1. PackagingArchive command Tar-cvzf Test.tar a.txt b.txt c.txt where C is created, V is details, F is the file name after packaging, A.txt is a

Using @propertyWhen binding a property, if the property is exposed directly, although it is simple to write, but can not check the parameters, resulting in the ability to change the results casually:class Student (object): Pass>>> s =Student ()>>

Python basics-functions and python Basics A function is a function block that can be called repeatedly. I. Definition Def function name (parameter):... function body... return value Requirements: Def: function keyword Function Name: the name of

Python built-in type (3) -- Comparison, python built-in type  Python has eight comparison operators:,,>,>=,==,!=,is,is notThey have the same priority. Their meanings are as follows: Operator Description Less