Python

The example in this article describes how Python prints colored text in the console through the Colorama module. Share to everyone for your reference. The specific analysis is as follows: Colorama is a python dedicated to the console, command line

I stumbled across a blog post about two Python scripts in the morning, one of which was more efficient. This blog post has been deleted, so I have no way to give a link to the article, but the script can basically be summed up as follows:fast.py

Python is a cool language because you can do a lot of things with very little code in a very short time. Not only that, it can also easily support multitasking, such as multiple processes. Python critics sometimes say that Python executes slowly.

The question is how to use assertion expressions in some scenarios, which are often misused, so I decided to write an article explaining when to use assertions and when not. For those who are not clear about it, the python assert is used to check a

This article describes the Python implementation of the analysis of Apache and Nginx log files and the way to the IP list of visitors. Share to everyone for your reference. Specifically as follows: Here use Python to parse Apache and nginx log file

In my opinion, the Python community is divided into three genres, namely Python 2.x, 3.x and pypy organizations. This classification can basically be rooted in the compatibility and speed of the class library. This article will focus on some common

Learning its cultural essence around a language can make you a better programmer. If you haven't read Python Zen (Zen of Python), open the Python command prompt and enter import this, and you can find the corresponding example here for each item in

Function: Strip () Lstrip () Rstrip () Action: Removes spaces or specified characters from a string One, default usage: Remove spaceStr.strip (): Remove spaces on both sides of the stringStr.lstrip (): Remove the space on the left side of the

Function: EndsWith () Function: To determine whether a string ends with a specified character or substring, often used to determine file types Correlation function: Judgment string opening startswith () I. Description of the functionsyntax:

If you often use Python to develop GUI programs, then you know that sometimes it takes a long time to perform a task. Of course, you'll be surprised if you use a command-line program. In most cases, this will clog the GUI's event loop, and the user

1. Process overview Python compiles the code (. py file) into bytecode, handing it to the bytecode virtual machine, and then the virtual machine executes a byte-code instruction, which completes the execution of the program.2. Byte code The byte

First, Introduction Multi-threaded programming technology can realize code parallelism, optimize processing capabilities, and a smaller function can make the reusability of the code better. Python threading and queue modules can be used to

#! -*-coding:utf-8-*- Import string s = ' yes! This is a string ' print ' original string: ' + s print ' lowercase: ' + s.lower () print ' uppercase: ' + s.upper () print ' Case conversion: ' + S.swa Pcase () print ' first

Here I don't discuss some of Python's useful libraries or frameworks, but talk about the language itself in terms of the language itself, with minimal support. The development of language is getting closer to Lisp, which is why Lisp is a great

Python's pickle module implements basic data sequences and deserialization. Through the serialization operation of the Pickle module, we can save the object information running in the program to the file, store it permanently, and through the

Touch python time is not long, some knowledge points, not very solid grasp, I personally advocating no matter what things to learn, first of all must go back to the foundation to play very solid, and then go higher. Today, I encountered a global

I've already covered the decorator in my previous blog about Python 2.4 features, but then it was suit and now I'm going to describe it in detail. A detailed introduction to decorator is already in the What ' s new in Python 2.4, and you can take a

The map () and reduce () functions are built in Python. If you've read Google's famous paper, "Mapreduce:simplified Data processing on Large clusters," you can probably understand the concept of map/reduce. Let's look at the map first. The map ()

Logging is divided into 4 modules: loggers, handlers, filters, and formatters. Loggers: Provides an interface for application callsHandlers: Send the log to the specified locationFilters: Filtering Log informationFormatters: Format output log

This article illustrates how Python uses custom user-agent to crawl Web pages. Share to everyone for your reference. Specifically as follows: The following Python code captures the contents of the specified URL by urllib2, and uses a custom