Programmer Think

Teacher Wu began to build a hidden neural network. 1, Importing datasets and drawing Two files are required before importing the dataset. Please refer to [data] import numpy as np import pandas as pd from matplotlib import pyplot as plot from testCases import * import sklearn from sklearn import datasets from sklearn import linear_model from ...

Take Alipay's Sesame credit as an example, its value range is 350-950 points. It is generally believed that the higher the score, the better the credit and the lower the default rate of personal business. Here is also a personal credit scoring tool similar to FICO scoring. The idea of FICO scoring is: collect / analyze / convert a large number ...

preface How should we troubleshoot and analyze Mysql deadlock? There is an insert on duplicate deadlock problem on the front line of. Based on this deadlock problem, this paper will share the troubleshooting and analysis process, hoping to be helpful to you. Deadlock Case recovery Table structure: CREATE TABLE `song_rank` ( `id` int(11) NO ...

preface I always wanted to learn automated testing, but I didn't take action. I studied piecemeal in my spare time and recorded 20210424.   11. Continuous integration and delivery Jenkins environment constructionProject environment configurationEmail notificationScheduled project execution   Jenkins introduction Jenkins is an open s ...

Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)). Example: Input: nums1 = [1,3], nums2 = [2] Output: 2.00000 Explanation: merged array = [1,2,3] and median is 2. Solution 1 To find the median in an ordered array, you ...

1, What is Zuul? Zuul is an open source API Gateway server of netflix. It is essentially a web servlet application. The core of Zuul is a series of filters, which can be compared with the Filter of Servlet framework or AOP. Zuul can realize the following functions by loading the dynamic filtering mechanism: Verification and security: Ide ...

Implementation of Spring AOP XML + interface mode enabled XML + custom class implementation Annotation mode on Import dependency: (although this project is not a springboot project, you only need to import the following dependency) <dependency> <groupId>org.springframework.boot</groupId> <artifactId>sprin ...

  Reprint: https://www.mayi888.com/archives/60604 Character detection is a very important link in the process of character recognition. The main goal of character detection is to detect the position of the character area in the picture for later character recognition. Only when the text area is found can its content be recognized. Text detec ...

This learning note is the learning content of Alibaba cloud Tianchi Longzhu Docker training camp. The learning links are: https://tianchi.aliyun.com/notebook-ai/detail?spm=5176.20850282.J_3678908510.4.f2984d57AnIOhB&postId=170949 Task 2 purpose: 1. The value of EDA mainly lies in being familiar with the basic situation of the whole dat ...

preface I think the topic of code looping is very interesting. Because as long as developers, they will step through this pit. If you really haven't stepped on it, it only means that you write less code, or you are a real God. Although many times, we try our best to avoid such problems, many times, the dead cycle comes quietly and pits you in ...