RPC is the abbreviation of remote Procedure call, translated into Chinese is a long-distance method calls, is a local machine on the remote machine to invoke a process (method) technology, this process is called "distributed computing", is to
Example 1, get MySQL version
Copy the Code code as follows:
#-*-Coding:utf-8-*-
#安装MYSQL DB for Python
Import MySQLdb as MDB
con = None
Try
#连接mysql的方法: Connect (' IP ', ' user ', ' password ', ' dbname ')
con = mdb.connect (' localhost ', ' root ',
Copy CodeThe code is as follows:
#-*-Coding:utf-8-*-
Class Heap (object):
@classmethoddef parent (CLS, i):"" "Parent Node Subscript" ""return int ((i-1) >> 1);
@classmethodDef left (CLS, i):"" "Left son subscript" ""Return (I
@classmethoddef
Win7 above requires an administrator permission operation.
Copy CodeThe code is as follows:
#-*-Coding:utf-8-*-
Import OS
Import Glob
Import Shutil
def format_file_list (Files):All_files_str = ""For I in range (len (files)):All_files_str + = str (
Today, I use Python to parse a text file in the following format:
Copy CodeThe code is as follows:
[
{
"Key": "Android.permission.ACCESS_CHECKIN_PROPERTIES",
"Title": "Access check-in Properties",
"Memo": "allows read/write access to properties
Created: List = [5,7,9]
Value and change: list[1] = list[1] * 5
End of List insert: List.append (4)
Subtract the No. 0 value and return the value of the No. 0 value: List.pop (0)
Remove the No. 0 value without returning a value: Del (list[0])
Remove
Coding issuesBecause it involves the Chinese language, so inevitably involves the problem of coding, this time to take this opportunity to be completely clear.
The problem should be from the coding of words. The original English code is only 0~255,
net.py getting the input and output of the network interface
Copy the Code code as follows:
#!/usr/bin/env Python
Import time
Import Sys
If Len (SYS.ARGV) > 1:INTERFACE = sys.argv[1]ElseINTERFACE = ' eth0 'STATS = []print ' Interface: ', Interface
And and or in Python are quite different from other languagesAnd and or in other languages are the result of returning a bool type, not python. It returns one of the values that do the and and or operations.
The value that determines the value of
We changed the models.py to a package through the following file structure.
Copy the Code code as follows:
MyApp
__init__.py
Scripts
__init__.py
initialize_db.py
Models
__init__.py
meta.py
foo.py
moo.py
Above meta.py, define a different model
Settings for Proxy
URLLIB2 uses the environment variable HTTP_PROXY to set the HTTP proxy by default. If you want to explicitly control the Proxy in the program without being affected by the environment variables, you can use the following
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service