Write an infinite list using the PlaceHolderVidew Library

Write an infinite list using the PlaceHolderVidew Library First, let's look at the picture. Here's what I want to do. Overview of the objectives of this experiment: 1. Write a json file to store the students'information. The source will simulate loading json data from the Internet and then popula ...

Added by dianaqt on Thu, 11 Jun 2020 19:15:23 +0300

Raspberry school learning notes - temperature and humidity detection (local OLED display, ONENET cloud platform display)

Article catalog preface 1, Hardware connection 2, Raspberry pie enable I2C function 1. Enable I2C Kernel Module 2. Install I2C tools 3, Local temperature display 1. Installation luma.oled 's bag 2. Light up the oled screen 3. Local temperature and humidity detection 4, ONENET cloud platform displ ...

Added by matts12290 on Thu, 11 Jun 2020 10:48:32 +0300

Summary of JS important knowledge points (unfinished)

Summary of JS important knowledge points 1. Four ways to query data types Implementation method typeof instanceof constructor Object.prototype.toString.call() advantage Easy to use Can detect reference data types Basic ability to detect all types (except null and undefined) All types detected ...

Added by jcanker on Thu, 11 Jun 2020 08:26:56 +0300

Using tree node cli to generate a tree

When writing a blog, you often need to show the directory structure of the project. My computer is windows, and the tree command is not very effective. If you can use Node, you can use Node! So I found several cross platform ones. namely tree-cli and tree-node-cli These two are one author. Among them, tree node cli is more suitable for Linux us ...

Added by feyd on Thu, 11 Jun 2020 06:20:57 +0300

Distributed Lock+Redis for Cluster Business Data Caching

Article Directory Distributed Lock 1. Distributed Lock Implementation 2. Distributed Lock Using redis Learning optimization summary Problems in the redis cluster state: Solving distributed locks using redisson 1. Import dependent service-util 2. Configure redisson Reentrant Lock Test Code Dis ...

Added by dev99 on Wed, 10 Jun 2020 19:17:31 +0300

Implement simple chat function 1 to 1 based on netty (private message / group sending)

netty chat explain: My thoughts demonstration Chat server Chat initialization configuration Client processing message Front end code epilogue explain: I found that it takes a lot of energy to write a blog. In order to leave more time for promotion, I just post the code. Learning address: https: ...

Added by toppac on Sun, 07 Jun 2020 07:35:12 +0300

[Asp.netCore Series] 1 takes you throughAsp.netCore

0. Preface This is a new series namedASP.NETCore gets started in real life.This series of presentationsASP.NETCore MVC, which assists with some front-end basics (can be used to achieve what we need, not the main topic).This series will also be introduced laterASP.NETCore platform for other types of projects, and lead you to develop a website or ...

Added by jwaqa1 on Fri, 29 May 2020 19:47:00 +0300

explain analyze in MySQL 8.0

Original address: https://mysqlserverteam.com/mysql-explain-analyze/   MySQL 8.0.18 was just released. October 17, 2019 ), which includes a new feature to analyze and understand how queries are executed: explain analyze. What is explain analyze EXPLAIN ANALYZE is a query analysis tool that tells you how much time MySQL spends on queries and why ...

Added by dw89 on Fri, 29 May 2020 19:45:52 +0300

JS Array Method Complete

  1. Before using the methods of arrays, you need to create arrays, which can be created in the following ways: Literal Quantity (json) var arr1 = []; //Create an empty array var arr2 = [5]; //Create an array with a single element var arr3 = [5,6,7]; //Create an array with multiple element ...

Added by gprobst on Tue, 26 May 2020 20:21:46 +0300

Password RSA encryption of iqiyi login implemented by python

preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Add Penguin Group 695185429 and you can get it for free. All the information is in the group f ...

Added by daniellynn2000 on Tue, 26 May 2020 18:18:13 +0300