Python

Use session implementation to link with database, login module (in views.py)DEF login (Request): # return Httpresponseredirect ('/') # to determine if the Post method, if yes then proceed to the following form processing if Request.method = = ' POST

cat/usr/local/ssdb/moniter_ssdb.py#!/usr/bin/env pythonImportOSImportSYSImportcommands#Ssdb PortPrecosslist = ('17000','17005','17010','17015','17020','17025','17030','17035','17040','17045','17050','17055','17060','17065','17070','17075','17080','17

#!/usr/bin/env python#-*-Coding:utf-8-*-Import threadingImport queueImport time"""Follow the teacher's course to do a thread pool, the main idea is to carry out the task to put into the queueSeveral threads are then created to continuously retrieve

1/Create xxx.py filePS: Do not have the Chinese path (otherwise unpredictable errors will occur)2/write codeA. Two lines in the head#!/usr/bin/env Python is useful on Linux#-*-Coding:utf-8-*-B. Write function code3. Execute codeA. Open terminal (CMD)

Regular expressions1. Character Matching1.1 Ordinary charactersMost letters and characters usually match themselves.If the regular expression test will match the string "test" exactly1.2 Meta characters.  ^  $  *  +  ?   {}   [ ]   \   | ()1)

One, interactive programmingInteractive programming does not require the creation of a script file, it is written in the interactive mode of the Python interpreter.On Linux, you only need to enter the Python command on the command line to start

1. Because the Python client relies on the C client, install the C version of the client firstCD zookeeper-3.4.5/src/c./configureMakeMake install2. Download the Python extension package and unzip it:Address: https://pypi.python.org/pypi/zkpython/0.4.

Issubclass (class, ClassInfo): Check if class belongs to ClassInfoIsinstance (object, ClassInfo): Checks if the instance object is a class ClassInfoHasattr (object, name): Check whether the instance object is a method named STR (name)GetAttr (object,

A list of data types is built into Python.The list list is a built-in, ordered collection. You can add and remove data from the list at any time.list is represented by [].1 >>> figure = ['1','2','3 ']2print(figure)3 ['1 '2'3']The figure in the

ImportRandom as RclassFish:def __init__(self): self.x= R.randint (0, 10) Self.y= R.randint (0, 10) defMove (self): self.x-= 1Print('My pos is:', self.x, SELF.Y)classGoldfish (Fish):PassclassCarp (Fish):PassclassSalmon (Fish):PassclassShark (Fish):

First to YY weather register an account, and then you can use the APIhttp://www.yytianqi.com/　　# Encoding=utf-8Import Urllib.requestImport JSONImport CollectionsCityid = ' Http://api.yytianqi.com/observe?key=API's key&city= City ID 'Response =

The following reference is from the Runoob Web site to summarize Python function knowledge points and consolidate the basics, hereby acknowledge!Original address: http://www.runoob.com/python3/python3-function.htmlVariable scopeIn Python, a

1. List comparison function cmp>>> a = [1,2,3,4]>>> b = [1,2,3,4,5]>>> c = [1,2,3,4]>>> cmp (A, B) -1>>> CMP (a , c) 02, list parsing, code simplification>>> a[1, 2, 3, 4]>>> d = []>>> for i in a: ... D.append (i + 2) ... >>> d[3, 4, 5, 6]>>> e =

Configparser Module I. Configparser moduleUsed to generate and modify common configuration documents, but the Money module name was changed to Configparser in the python3.x version.1. Generate a

1 #!/usr/bin/env python2 #Coding:utf-8 # Encoding3 4 'a test module'5 6 __author__='Sunflower' 7 8 9 #exception Error TypeTen #assertionerror Segmentation Errors One Try: AMy_list =['Zhangsan'] - assertLen (my_list) >0 - My_list.pop () the

Python learning the next day (File Processing ), The learning content is: Python File Processing List, tuples, and dictionary usage Use of Collections Function File. textd content A person with high EQ doesn't often criticize people.That's

Python3 Basic Data Type Self-record, python3 Data Type String (String) Strings in Python are enclosed by single quotation marks (') or double quotation marks ("), and special characters are escaped using a backslash. >>> str = "kevin">>> str'kevin'>>

Built-in function enumerate () usage, function enumerate Name = ['Coco ','Liux ','Hangyq ','Liufupengdozhao']# Use The rang () methodFor I in range (0, len (name )):Print (I, name [I])# The above method is somewhat cumbersome. Using the built-in

Python operator priority, python Operator The following table lists all operators with the highest to lowest priority: Operator Description ** Index (highest priority) ~ +- Flip by bit, one-dollar

Django can only register the same ip address once in 10 minutes (redis version), djangoredis In the previous article, django can only register the same ip address once in 10 minutes. During registration, we chose to use our database to report an