Python

Implementing a simple calendar with Python Read the current time and display this month's calendarOutput formatting #!/usr/bin/python2#It ' s myImport time#get date Gets the current dayYear = Time.strftime ('%Y ', Time.localtime (Time.time

An If statement is used to check a condition: If the condition is true (true), we run a statement block (you are an if block), otherwise (else), we execute another statement block (called else block). Else the child statement is optional. For

Why does the Python class method need to add self as the first argument? For example, the Python class method is defined in this way: Class Charfield (Field):Description = _ ("String (up to% (max_length) s)")def __init__ (self, *args,

In peacetime development process often encounter needs to simulate post or get request, of course get generally directly through the browser can also be convenient and quick. Zhengxiao See the Internet also has a lot of software version of the HTTP

The code is as follows Copy Code One, the catch of the exceptionThere are several ways to catch exceptions: 1: Use try and except statements TryBlockExcept [Exception,[data ...]]:BlockTryBlockExcept [Exception,[data

About multiple line matches in Python non-greedy, multiline matching regular expression examplesTips for some regular: The code is as follows Copy Code 1 Non-greedy flag >>> Re.findall (R "A (d+?)", "a23b")[' 2 ']>>>

1. List Resolution: Listing parsing, list comprehensions, derived from the functional programming language Haskell, is a very useful, simple and flexible tool that you can use to create lists dynamically. Syntax for list parsing:[Expr for Iter_var

Current timestamp: Time.time ()Current date: Time.ctime () Get current time: Ymdhms = Time.strftime ('%y-%m-%d%h:%m:%s ', Time.localtime (Time.time ()))Timearray = Time.strptime (ymdhms, "%y-%m-%d%h:%m:%s") Current Time Date stamp

String formatting: The code is as follows Copy Code format = "Hello%s,%s enough for ya?"Values = (' World ', ' hot ')Print format% values Result: Hello world, hot enough for ya?Note: If not executed at the

Operation and maintenance Automation route:The development of the CMDB needs to include three parts: Acquisition of hardware data Api Page Management Execution process: The client of the server collects the hardware data, then

Read-write files are the most common IO operations. Python has built-in functions for reading and writing files, and the usage is compatible with C.Before reading and writing files, we must first understand that the ability to read and write files

In Python, sometimes the caller knows only the class name and the class method, not the actual function call, but the class name and class method that will be called to tell an intermediate function, which is responsible for the actual call of the

In this section, let's take a look at the use of cookies.Why use cookies?Cookies, which are data stored on the user's local terminal (usually encrypted) by certain websites in order to identify users and perform session tracking.For example, some

Original link: https://my.oschina.net/u/2344787/blog/400507?p={{page}} 1. Selenium Webdriver The Get method will wait until the page has finished loading before executing, but if the load time is too long it will cause subsequent operations to

Character encodingWhen the Python interpreter loads the code in the. py file, the content is encoded (default ASCII)BinaryExample: Ancient beacon, ignition and not ignition only two states, the transmission of information too little.Agreed ignition

It's also worth noting that's can use * and * * when calling functions as well. This is a shortcut the allows you to pass multiple arguments to a function directly using either a list/tuple or a dictio Nary. For example, if you have the following

Recently doing a scan code login function, for this I also searched the internet about the implementation of the scan login. When this function was completed, I decided to organize the whole realization, so that I can see it later and also

Python regular expressions are frequently applied to string substitution code in use. A lot of people do not know how to solve this problem, the following code tells you that the problem is extremely simple, I hope you have something to gain. 1.

1. To install VIM, you can install it using the Apt-get tool that comes with Ubuntu. Apt-get Install Vim-gnome 2, after the installation is successful, configure 1> first automatic hint completion configuration (pydiction) From the official

(Reprinted) python date function, reprinted python date function Reprinted on http://www.cnblogs.com/emanlee/p/4399147.html All Date and Time APIs are in the datetime module. 1. format the date output datetime => string Import datetime Now =