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Article

[design mode] behavioral mode Visitor mode

function Mainly separate data structure and d...
4:06 15 February 2020
Article

If the COVID-19 epidemic as a stock factor

This paper uses the WindAlpha single factor research framework of wankuang platform to explore the impact of COVID-19 ep...
3:25 15 February 2020
Article

[theory combined with practice] an analysis of the reading speed of xlrd, openpyxl and xlwings

Because pneumonia is closed at home, there is no school opening, and the internship has not started yet, so I will revie...
3:10 15 February 2020
Article

C++ Papers promised me not to go anywhere else if/else?

Learn English one sentence a day and make a little progress every day: "Without purpose, the days would have ended, as ...
0:46 15 February 2020
Article

auto Form (More Functions) Class Structure Implementation

Think about it lately ~It's always been writing templates to make data structures that don't really store any data type....
0:14 15 February 2020
Article

Use of Design Mode-Responsibility Chain Mode in Actual Projects

In the last iteration, I participated in the development of the company's data application platform. One of the function...
12:12 14 February 2020
Article

Datawhale "hands on deep learning"

Hands on deep learning Day 1 linear regression Softmax and classification model Multilayer perceptron Basic knowledge...
10:03 14 February 2020
Article

JAVA data structure -- adjacency table of graph storage structure

The data structure series is a note that I have learned to make, which will be continuously updated. The source code is ...
9:17 14 February 2020
Article

How to build test cases of linked list and tree by LeetCode

When you brush the list and tree in the leetcode topic, it's hard to avoid inconvenient debugging. Because I am used to ...
9:14 14 February 2020
Article

JAVA data structure: implement graph breadth first traversal and depth first traversal

The data structure series is a note that I have learned to make, which will be continuously updated. The source code is ...
8:57 14 February 2020
Article

[data structure] Chapter II linear table

[data structure] Chapter II linear table 1. Basic concepts ...
8:22 14 February 2020
Article

VScode+SDL2 configuration tutorial

The day before yesterday, I wanted to find a graphic library to write a small tool, and I wanted to find a smaller graph...
7:42 14 February 2020
Article

The basis of cyclic neural network for hands-on deep learning

Cyclic neural network This section introduces...
6:45 14 February 2020
Article

#IT star is not a dream; affinity polling of distributed load balancing algorithm

No matter in the early load balancer or in the current client based load balancing of microservices, there is a basic po...
6:39 14 February 2020
Article

Alibaba talk to you about some JVM level locks of Java

brief introduction In the computer industry, there is a l...
5:49 14 February 2020
Article

Deep learning PyTorch-01

linear regression Model Linear regression a...
5:45 14 February 2020
Article

Scratch 3.0 integrate user-defined system 3 in scratch GUI (Chapter 6)

Written in front This series of articles is written for f...
4:50 14 February 2020
Article

Regular expression and grep instruction in Shell programming

#In fact, regular expressions complete data filtering, reject the data defined by the unsatisfied regular expressions, a...
2:17 14 February 2020
Article

Learning diary of slam beginners

Learning SLAM for the first time, because one note cannot be used in ubuntu, I decided to use CSDN to record my learning...
2:00 14 February 2020
Article

rockchip rk3368(px5) vehicle development road 5, enabling GPS module UC6226 (2.HAL layer and above)

This series records the author's journey to a new car aftermarket company, which is responsible for maintaining a set of...
1:56 14 February 2020
Article

How do I use two stacks to implement queues?

Suppose we have two stacks and no other temporary variables. ...
1:08 14 February 2020
Article

L1 Linear Regression

linear regression The main content includes: ...
23:40 13 February 2020
Article

Python to develop Gobang game

Gobang source code, original code, only for python open source project learning.At present, the computer is clumsy. The ...
16:35 13 February 2020
Article

BZOJ3170: [Tjoi2013] squirrel Party (Chebyshev distance to Manhattan)

Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 1524 Solved: 803[Submit][Status][Discuss] ...
16:25 13 February 2020
Article

Sword finger offer print matrix clockwise

Title Description Enter a matrix and print out each number in a clockwise order from the outside to the inside. For exa...
15:33 13 February 2020
Article

A real-time monitoring web tool for oracle service response time written in python

The old fellow's scaffold is mainly based on the old iron scaffold. https://github.com/shengxinjing/my_blog/tree/master/...
15:10 13 February 2020
Article

Regular tasks of ordinary users in linux

Reference resources: Details of crontab command Mail usag...
15:03 13 February 2020
Article

docker builds a massive real-time log analysis system

Main technology Architecture diagram Detailed construction Server directory Create docker network Build start es Start ...
14:58 13 February 2020
Article

The difference between using $. view() and using find() to get the row number of a datatable row

<table id="checkLossItem"> <thead> <th>Choice</th> <th>Loss item</th> <th>Loss...
14:06 13 February 2020
Article

A simple example of solving ordinary differential equations with python and an example of solving ordinary differential equations with odeint

Background: It consists of two parts, one is ...
14:05 13 February 2020