Reprinted from: http://www.cnblogs.com/xuxn/archive/2011/08/12/parse-html-escape-characters-in-python.htmlCatch web data often encounter such as > or this HTML escape character, caught in the string is very annoying.Let's say a string caught
Directly on the code:list_a=['a','C','Z','E','T','C','b','A','Good','Tack']list_b=['a','C','Z','E','T','C','b','A','Good','Tack']list_a.sort ()PrintList_a==sorted (List_b)>>>trueList_a.sort (), sort list_a in place, no return value, but order the
The time is divided into 4 weeks, all self-taught, only provide an outline. Applies to web orientation:1, Week1: read "Concise python tutorial", adapt to the Python development environment2, Week2: Write a crawler, need to know more about RE, urllib2
Operating system: WindowsDevelopment environment: Eclipse + PyDev1. Install PythonPython official website: https://www.python.org/downloads/Download the latest version of the Python installation package, the default installation path is the C
#设a为字符串import Timea = "2011-09-28 10:00:00" #中间过程, it is generally necessary to convert a string into an array of time time.strptime (A, '%y-%m-%d%h:%m:%s ') >> Time.struct_time (tm_year=2011, tm_mon=9, tm_mday=27, tm_hour=10, tm_min=50, tm_sec=0,
First import time, and the DateTime packageImport Datetimeimport TimeThe implementation code is as follows:if __name__ = = ' __main__ ': dt=sys.argv[1] myday = datetime.datetime (int (dt[0:4]), int (dt[5:7]), int (dt[8:10]) ) +
Python Function Example ExercisesThe previous functions, data structure, process control, and so on, do the following examples of practice:1. Define the Is_even function, pass an int argument, determine if it is even, return True; no, return False1 "
The installation process under Linux is very simple.Under Linux I generally use vim to write Python, recently often in the window to write code, do not want to switch, so ready to put the window Python plug-in installedIn fact, some simple exe is
The select_related and prefetch_related functions in the Django framework are used to optimize database queries. djangorelatedname
Instance background
Assume that the Personal Information System must record the home, residence, and city of each
Python Flask framework @ app. route usage tutorial, flask@app.route
In my previous article, I built a framework to simulate the behavior of the first example on the Flask Website "@ app. route.
If you miss the article "this is not magic", click here.
Using the Python Flask framework for streaming media transmission, pythonflask
Flask is a Web development microframework implemented by Python. This article is a detailed tutorial on how to use it to transmit video data streams.
I'm sure you already
Python for some simple natural language processing tutorials, python Natural Language Processing
The topic of the monthly challenge this month is NLP. In this article, we will enable you to use the natural language toolkit of pandas and python to
Python calculates the date after N days, and python calculates the n date
This example describes how to calculate a date after N days in python. Share it with you for your reference. The details are as follows:
Python calculates the date after N
Detailed description of the built-in NotImplemented type usage in Python, and detailed description of python Development Technology
What is it?
>>> type(NotImplemented)
NotImplemented is one of the six constants of Python in the built-in namespace.
Python implements popular foreign casino games Craps (dual dice) and pythoncraps
Running method:
1. Enable python2 IDLE;2. Input from craps import *3. Enter the command as prompted. For example, if you play a game, enter play (); If you view the
Installation and deployment of realistic and reliable python modules
Every pythoner knows pip install, which is convenient to install the python module.
The most popular method on the internet is as follows:
1. pip freeze> requirements.txt stores
A simple example is used to check the running mechanism of the CPython kernel.
I recently spent some time exploring CPython and want to share some of my adventures here. Allison Kaptur's excellent guide to getting started with Python internals is a
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