Python

This paper uses Sogou Chinese corpus mini version of the text data, a total of nine categories (finance, IT, health, sports, tourism, education, recruitment, culture, military), each category A total of 1990 text, and before the experiment through.

System Environment: CentOS6.7 Anaconda Version: anaconda3-5.1.0-linux-x86_64 Python version: Python-3.6.4 1. Yum installation CMake, boost Yum Install CMake boost 2. Yum Install gcc gcc-c++ Yum Install gcc gcc-c++ Use Yum to install the existing

1. How to view all of the Python bytecode lists: Execute this code to see a list of bytecode: Import opcode for op in range (Len (opcode.opname)): print (' 0x%.2x (%.3d):%s '% (OP, op, Opcode.opname[op]) Since it is called

Automated tests that have been done with the UI know that testing is an action on an element, so it is particularly dependent on the positioning of the element. But this poses a big problem-"maintenance cost", if you are positioned multiple times

This function is to implement access to the parent class or sibling object, and is to return a proxy class object to access the parent class or sibling class method. This function is used primarily to avoid using the class name of the base class

Ubuntu 16.04 itself is a python, and he's a 2-self. X and 3.X, two versions, the default is 2. X. Here's a note of how to switch between versions and how to switch the Python version to 3. The method under X. 1. View the installed Python version of

Initialize Init.sql: CREATE TABLE Blog ( ID INT auto_increment, title text, content TEXT, posted_on DATETIME, Primary Key (ID) ); CREATE TABLE COMMENT ( ID int auto_increment, content TEXT, posted_on DATETIME,

1. Download python 2. After installation, add the root path of Python to the path; 3. Next install Pip (1) Open the URL https://raw.githubusercontent.com/pypa/pip/master/contrib/get-pip.py, copy the page content, save as get-pip.py, put it in the

Map def map (): sc = sparkcontext ("spark://node0:7077", "map") list=[1,2,3,4,5] listrdd=sc.parallelize (list ) Listmap =listrdd.map (lambda s:s*2) print listmap.collect () sc.stop () Filter DEF filter (): sc =

The difference of module Urllib,urllib2,httplib Httplib implements the HTTP and HTTPS client protocols, but in Python, modules Urllib and URLLIB2 have a higher layer of encapsulation for httplib. Describes the functions used in the following example:

The following are from: Http://www.cnblogs.com/qi09/archive/2012/02/10/2344964.html and http://blog.csdn.net/xiaoqi823972689/ article/details/12945769 Python reads files with Read,readline,readlines. Read can accept a variable to limit the number of

1. Download spark installation package from the official website and extract it to your own installation directory (the default has been installed JDK,JDK installed to find it yourself); Spark Official website: http://spark.apache.org/downloads.html

#压缩软件 #设计界面 Import tkinter import tkinter.filedialog import zipfile import os import tkinter.messagebox root = tkinter.t K () Root.title (' Compressed Software 1.0 ') root.minsize (300,400) #设置需要压缩路径变量 zipfilename = [] #添加文件的函数 def addfile ():

two ways to call a library name Import Turtle from Turtle Import * 1.9*9 Multiplication Formula PS: Note that indentation can not be changed, {: 2} ': ' Before no space meaning for the result to retain two-bit valid bit end= ' and no space can be

The classes and methods provided by the Difflib module are used to make a differential comparison of the sequences, which can be compared to the file and generate the difference results text or HTML format of the diff page, and if you need to

#!/usr/bin/env python #-*-coding:utf-8-*- # The most common usage of sum calculates the summation and print of a sequence ( sum ([1, 2, 3])) # 6 # sum The function prototype is sum (iterable, start), and can also give an initial value of print

from:http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/ 00137473843313062a8b0e7c19b40aa8f31bdc4db5f6498000 If statement syntax: If : elif : Elif : Else: function Definition Example: def

First, the knowledge point all is true any have true min max max sum sum reversed reverse sorted sort zip corresponding merge [] list push-down () generator {} Dictionary push-down set de-redo if ternary operator xx if x else yennm Erate enumeration,

Lists [list] use brackets [] to handle the data structure of a set of ordered items, the type of the list is a mutable data type, and the type is a listThe list is mutable/thread insecure # type (a) = list uses the type to determine the

The first regular expression of PythonR ' Imooc ' Pattern Match resultIn [2]:ImportReIn [3]: PA = re.compile (r'IMOOC')#the compile method of re generates pattern objectIn [4]: Type (PA) out[4]: _sre. Sre_patternin [5]: Pa.pa.findall pa.fullmatch pa.