python docstring example

Example Analysis of return Statement usage in Python and python instance analysis This example describes the return statement usage in Python. Share it with you for your reference. The details are as follows: Return Statement: Return statements are used to jump out of a f

Python class variable and member variable usage example tutorial, python instance tutorial This article provides examples to illustrate the usage of class variables and member variables in python, which has some reference value for Python program design. Share it with you fo

Python Regular Expressions use example sharing and python Regular Expressions As a concept, regular expressions are not unique to Python. However, regular expressions in Python are slightly different in actual use. This article is part of a series of articles about

This article mainly introduces the example of using urllib2 in Python to prevent 302 jump, that is, to avoid 302 jump implementation. For more information, see urllib2 in python to obtain the webpage (urlopen) will be automatically redirected (301,302 ). However, sometimes we need to obtain the status information of the 302,301 page. You must obtain the debugging

The example explains the proxy mode and abstract factory mode of Python Design Mode Programming, and the python design mode. Proxy ModeThe Proxy mode is A common design mode. It is mainly used to provide A 'agent' access to an object (such as B) (such as A) through an object (such as. For example, if an object is not d

This article mainly introduces the usage of the python callback function, analyzes in detail the common call methods, and introduces the usage skills of the Python callback function, for more information about how to use the python callback function, see the example in this article. Share it with you for your reference

Example of how to use the python command line youdao dictionary, python command line Preface Since I have been using the Linux system, it is particularly difficult to support dictionaries. For those of me who have been reading English documents, I have been stuck in shells and used a proper dictionary before, I feel very good. Although there is a web version, it

An example is provided to illustrate how to install the modifier in Python and how to use python. A function is also an object, and a function object can be assigned to a variable. Therefore, a function can also be called through a variable. >>> def now():... print '2013-12-25'...>>> f = now>>> f()2013-12-25 The function object has a _ name _ attribute. You can

Example of variable exchange in Python: python variable exchange Python pursues conciseness, giving birth to many assignment rules for computation, and strives to be simplified, including two or more variable exchange values.In normal languageCopy codeThe Code is as follows:# Declare VariablesA = 50B = 10# Start switch

Example of the multi-threaded Port Scan function implemented by python: python Port Scan This example describes the multi-threaded port scanning function implemented by python. We will share this with you for your reference. The details are as follows: The following program

Python data analysis-blue-red ball in two-color ball analysis statistical example, python Data Analysis This article describes the two-color ball blue-red ball analysis statistics of Python data analysis. We will share this with you for your reference. The details are as follows: Next, let's take a look at the previous

What is reference transfer? Let's look at a C ++ function that exchanges two numbers: Copy codeThe Code is as follows:Void swap (int a, int B){Int temp;Temp =;A = B;B = temp;} This example is an example of reference transfer! The purpose is to explain the concept: the reference transfer means that you pass the object reference, and the modification to this reference will also lead to changes to the origin

What is reference passing, let's look at a C + + Exchange two-number function: Copy Code code as follows: void swap (int a, int b) { int temp; temp = A; A = b; b = temp; } This example is an example of a reference pass! The purpose is to explain the concept: the meaning of the reference is that you are passing the reference of the object, and the modification of the ref

: global s s = Socket.socket () host = Socket.gethostname () S.bind ((host, 60123)) except: print (' already have an Instance ... ') return None return func (*args,**kwargs) return fun@applicationinstancedef main (): While True: print ' running ... ' time.sleep (1) if __name__ = = "__main__": Main ()Iv. Summary(1) Daemon and single script running in the actual application of the more important

Python built-in function usage example tutorial, python built-in instance tutorial This article briefly analyzes the usage of built-in functions commonly used in Python and shares them with you for your reference. The specific analysis is as follows: Generally, many useful functions are built in

Python uses the time module to implement a specified time trigger example, python trigger This example describes how to use the time module to implement a specified time trigger in Python. We will share this with you for your reference. The details are as follows: In fact, i

Python implements the Shopping System (example) and python Shopping System Requirements: User Portal 1. The product information is stored in the file.2. purchased items and balance records. Merchant portal You can add products and modify product prices. Code: Merchant portal: # Author: p j Jimport osps = ''' 1 >>>>>>> modify product 2 >>>>>> add product by q As e

= Explode (".", $url);$id = $parts [1];if ($info [' Http_code ']!= 200){$this->show_msg ($id, $error);} else{$this->show_msg ($id, "OK");}}function show_msg ($id, $msg){echo $id. " \t$msg\n ";} Public Function GetResult (){return $this->result;}protected $url;protected $result;}function Check_urls_multi_pthreads (){Global $check _urls; Defining a connection for crawling$check _urls = Array (' http://xxx.com ' => "xx net");$pool = new Pool ("Connect", Array ()); Create 10 Thread Poolsforeach ($c

Example of the mosaic effect in the ps filter implemented by Python, python Filter This article describes how to implement mosaic in the PS filter using Python. We will share this with you for your reference. The details are as follows: Here, we use Python to implement the m

Example of using the _ SLOTS _ attribute in Python, and python _ slots _ Let's see an article about python memory optimization in the daema organization of the python community, using _ slots __. Then I checked it and summarized it. Very useful When the