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Dynamic programming --- example 6. Polygon game

1, Title Description Polygon game is a single...
20:16 1 November 2021

MySQL functions and stored procedures

1, Database function 1. Mathemati...
18:19 1 November 2021

Thread state and method

Thread state For the thread state in Java, th...
13:42 1 November 2021

HashMap Code Implementation (JDK7 Array + Chain List)

The first thing we need to do is tap code to implement HashMap, so what is HashMap? What is the data structure? What is ...
13:27 1 November 2021

Learning and interpretation of Java RMI

Learning and interpretation of Java RMI (III) ...
11:05 1 November 2021

5 methods of List fragmentation in Java!

A few days ago, I encountered a problem when implementing MyBatis batch insertion. When the amount of data inserted in b...
10:25 1 November 2021

[JDK] syntax sugar in Java

In this blog post, let's talk about an interesting knowledge point in Java - syntax sugar ...
6:09 1 November 2021

MySQL master-slave replication, read-write separation theoretical analysis + practical demonstration

introduction In enterprise applications, mature businesses usually have a large amount of data. If the reading and writi...
5:41 1 November 2021

If you want to do Python automation, have you mastered all the common knowledge of Python?

If you want to learn python automated testing well, of course, the indispensable knowledge is the basic knowledge of pyt...
4:10 1 November 2021

How to understand the usage scenario of Generator in ES6

1, Introduction The Generator function is an asynchronous programming solution provided by ES6, and its syntax behavior ...
3:59 1 November 2021

Virtual function and pure virtual function

1. The pure virtual function is declared as follows: virtual void funtion1()=0; Pure virtual functions must not be defin...
2:52 1 November 2021

Tomcat learning 2: one click Startup and source code reading

Components that a request passes through in Tomcat ...
0:54 1 November 2021

[continued from an article 9 years ago] a pit and solution for dynamically creating controls

Ask questions Yesterday, a netizen raised suc...
0:26 1 November 2021

Python Foundation (suitable for surprise test)

I. Basic data type 1.print output...
0:06 1 November 2021

Linux common command practice

1. Directory operation command   Create directory ...
23:46 31 October 2021

ArrayList is the implementation class of the List interface

ArrayList collection features and source code analysisArrayList is the implementation class of the List interfacepublic ...
22:27 31 October 2021

Free blog space, beautiful VuePress

1. Configure GitHub Pages GitHub creates a new repository. Fill in the name of the repository. The naming rules are as ...
19:57 31 October 2021

How do I make the open source system have a security protection framework?

Write before: Recently, I have an idea to be a programmer apprentice management system. Because I was very confused when...
19:17 31 October 2021

MSP432P401R+TOFLuna lidar ranging + OLED display

catalogue preface   1, TOFLuna lidar   1. Working principle Ranging principle Data transmission analysis 2, CC...
18:46 31 October 2021

Are enumerating singletons better than DCL and static singletons? That's true~

Let's not talk about the hungry and lazy single examples. DCL and static single examples are briefly introduced to pave ...
17:44 31 October 2021

inotify of linux file monitoring

Some applications need to monitor files or directories to sense that specific events have occurred in these files or dir...
17:22 31 October 2021

Java Data Structure and Algorithms - Sparse Array

1. Linear and Nonlinear Structures Data structures include linear and non-linear structures. ...
16:34 31 October 2021

Introduction to graphics: image binarization

       Recently, the project has done image processing and grid processing. By the way, I'...
16:05 31 October 2021

iOS - Summary of Zhihu daily

introduction I've been writing Zhihu Daily re...
15:28 31 October 2021

Actual combat of webpack construction project

1. Preliminary construction Install the webpa...
13:35 31 October 2021

git learning - updating

Purpose: Multi person development projects, integrate projects according to certain rules, achieve orderly iteration of ...
12:56 31 October 2021

Mapping analysis between web.xml and applicationContext.xml of Spring development Web project

Data reading difference between normal Java project and web project configuration file When reading data from the Spring...
12:37 31 October 2021

Front end javaScript plan

javaScript It is planned to finish the javasc...
11:59 31 October 2021

Binary answer, discretization, etc

Two point answer Best cattle fenc...
10:53 31 October 2021

Method handle used in JDK

preface Java can get type information at run time through reflection, but its disadvantage is that it is slow to execute...
9:15 31 October 2021