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Using Netty to implement simple RPC framework

The underlying layer of Dubbo uses Netty as the network communication framework. [network transmission problem]: compare...
4:25 2 February 2020

Detailed explanation of 23 design patterns

Types and relations of design patterns There ...
4:20 2 February 2020

Implementation of dijkstra algorithm (743, 787) for priority queue of shortest path problem in leetcode graph

743 network delay time Topic Description: there are N network nodes, marked as 1 to N. Given a list of times, it indicat...
3:43 2 February 2020

Front and back interaction (Promise, fetch, axios, async / await usage)

1.Promise overview Promise is a solution of a...
3:07 2 February 2020

Classification of epilepsy with keras - Python case

Catalog Introduction to epilepsy data set Keras deep learning case This sharing is published in public address for b...
1:50 2 February 2020

Analysis of the execution process of Mapper interface of MyBatis

Mabtis, as an excellent persistence framework, not only improves our development efficiency, but also has the characteri...
1:48 2 February 2020

Express+MySQL implements the demo of login and registration

MySQL5.7.20 demo preparation Install mysql, add system...
0:47 2 February 2020

LeetCode Power Button 55. Jump Game

Title Description (Medium Difficulty) 45 Questions You've already seen this before, but you've just returned to the min...
21:44 1 February 2020

Winter vacation learning progress 1 (Android configuration environment and hello world)

Today's Learning Content: Watched the Android teaching video on Belly Mile to get a brief understanding of the basic kno...
12:10 1 February 2020

Vue made wheels - accordion assembly

1, General usage <div id="app" style="padding-left: 100px"> <g-collpase> <g-collapse-item title="Heading ...
11:58 1 February 2020

JavaScript self study notes: using JS to realize floating window of web page

Recently, I made a small project to add a floating window to the web page, which tested the basic CSS and JS technology....
11:33 1 February 2020

Machine learning practice -- naive Bayes method (code explanation)

Machine learning practice -- naive Bayes method ...
11:24 1 February 2020

kubeadm deployment k8s cluster

Experimental environment:master node: 192.168.1.10 (master)Node 1: 192.168.1.20 (node01)Node2 node: 192.168.1.30 (node02...
11:08 1 February 2020

How to make the corner circle of the button?

I want to round the corner of the button. Is there an easy way to do this in Android? ...
10:48 1 February 2020

PAT class a 1044 Shopping in Mars (JAVA version)

Simple analysis of this question The so-called "binary search" is investigated, but I use JAVA to realize the ...
10:47 1 February 2020

COW (Copy On Write) in GCC

Article directory What is COW? Copy Elision Realization Possible implementation The implementation of libstdc + + What's the problem? What is th...
8:50 1 February 2020

Using selenium library to crawl data from JD's interface

Environmental needs python running environment Selenium Library (pip install selenium) Pyquery Library (pip install pyquery) pymongo (pip install pym...
7:25 1 February 2020

Take a look at LockSupport and AQS

This time, we can see the principle of lock in concurrency. We will talk about AQS, ReentrantLock, ReentrantReadWriteLock and the newly added StampedL...
4:48 1 February 2020

Java learning 5 - looking at the factory method pattern from Spring source

Java learning 5 - looking at the factory pattern from the Spring source code What is the factory method mode Factory method pattern is to define an i...
4:41 1 February 2020

PX4 reads the message sent by STM32F4 serial port through serial port and publishes the UORB topic

PX4 reads the message sent by STM32F4 serial port through serial port and publishes the UORB topic This small project is to read the data sent by STM...
4:35 1 February 2020

Go language learning, structure

Recently, the epidemic situation is quite serious, and you can't go out for the new year. If you have nothing to do, continue to update your blo...
3:00 1 February 2020

Basic usage of django2.0 models.py

ORM model Before writing the basic usage of models.py, let's first understand the disadvantages of our own writing of sql: As we write more and ...
2:29 1 February 2020

Analysis of question answering system based on medical knowledge map

Knowledge map has been more and more applied in question answering system, semantic search and other fields. It is a hot research issue in the field ...
23:55 31 January 2020

Tian Xiaohua Speech Robot is based on Python and implemented through Baidu API voice control stm32 single-chip computer light system

All code for this project has been uploaded to CSDN. Overview of system functions and features: Hardware: 1. Run speech recognition on your computer ...
23:31 31 January 2020

Qt - Netease cloud music interface realizes - 9 photo wall function

Recently, I bought the car, but I'm not as happy as I thought. I really want to buy consumables. I have written this topic. I originally wanted ...
22:04 31 January 2020

Introduction to u attribute_u keyword of gcc

Introduction to the _attribute_keyword of gcc See: https://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Variable-Attributes.html#Variable-Attributes https://...
22:02 31 January 2020

Python Learning Notes Day02

Article Directory variable Declare Variables Variable Naming Specification data type Six Types Number Type===Number Type Int Type===Integer Mode 1: D...
21:58 31 January 2020

golang unit testing and performance analysis

Here's a brief introduction to how go writes unit tests, performance analysis of code, and code coverage. Usually we have written some methods, ...
21:27 31 January 2020

C language cardinality sort -- the realization of sequence queue

Radix sorting Basic requirements: Input n integers of m degree from the keyboard, and output the ascending arrangement of these integers. Specific re...
21:14 31 January 2020

Comparison of traversal methods of HashMap

Table of Contents Comparison of traversal methods of HashMap 1, Several ways to get value from HashMap traversal Two, code Three, result Four, thinki...
20:43 31 January 2020