Solve the problem of using "libsvm" in Ubuntu "LIBSVM library not found"

... Use libsvm in python under Windows, just after downloading libsvm, use the following code: import sys import numpy as np path = 'E:/libsvm-3.22/python' sys.path.append(path) from svmutil import * but under Ubuntu Using libsvm in python, if you use the above code directly, the problem of...


Print the list from end to end

... 题描述 Enter a linked list and return an ArrayList from the end to the end of the list. 思维一: class Solution: # Returns a sequence of list values ​​from the tail to the head, for example [1,2,3] Def printListFromTailToHead(self, listNode): # write code here arrList = [] While listNode: #...


[Translation] What updates have been made to the 20 major Python data science libraries in 2018?

... Python still maintains a leading position in data science this year. Last year, we listed 15 top Python data science libraries on our blog, and everyone thought it was very good. This time, let's talk about the updates to these top-level data science Python libraries this year. We also...


Python uses third-party module packages when writing methods in different hierarchical directory import modules

... using python. This package can be imported via python setup install and imported via import XXX or from XXX import yyy. However, if it is a dependency package that you write yourself, and you don't want to install it in the corresponding directory of python, you can put it in this...


Yum warehouse deployment

... Chapter 1 yum warehouse construction 1.1 Creating a yum repository directory mkdir -p /base Upload the rpm package to this directory. This directory can also include the folder 1.2 createrepo software yum -y install createrepo 1.3 Initialize the repodata index file createrepo -pdo /base...


Alibaba Cloud Deployment of Python Django Project

... . Python Alibaba Cloud Deployment for Django Project . At that time, because of the needs of the project, the Python Django project was deployed to the Alibaba Cloud server. Take this opportunity to learn a bit and document the steps to deploy. I think that in addition to sharing, more...


After learning and using numpy at 1

... , pandas began to learn pandas. The following are some of the basic syntax of pandas and how to use them. This section is mainly the Series structure in pandas. Run environment python2.7 #!/usr/bin/python # -*- coding: UTF-8 -*- Import pandas as pd Import numpy as np # Pandas module...


Pip installation error solution

... Recently also watching blog learning python, want to install selenium, before this, you need to install pip first. Installation of pip is installed by running the command, the initial installation error Traceback (most recent call last): File “setup.py”, line 6, in from setuptools...


The problem of triangular number tower in dynamic programming (python version)

... ###python版本 import numpy as np class triangle_dynatic(): def main(self,data): #data塔的原始数据,dp存储动态数据 dp = np.zeros(np.array(data).shape) #n为行数,在这里相当于塔数 n,m = np.array(data).shape #初始化dp #下面这个循环相当于把data的最后一行付给了dp的最后一行,就是从最后一行向上递归 for i in range(n): dp[n-1][i] = data[n-1][i] print(dp) #第一个循...


Python study notes - advanced features 1

... 1 line code can achieve the function, never write 5 lines of code. Always keep in mind that the fewer the code, the more efficient the development. 片片 slice L = ['Michael', 'Sarah', 'Tracy', 'Bob', 'Jack'] L[1:3] L[-3:-1] L[::2] 使用支持list tuple str. iteration for...in... By default, the...