天道酬勤,学无止境

博客

Personal Mechanism of Organizational Behavior: Staff Learning and Ability Development

1. There is a problem The training time of employees usually conflicts with working hours. The training content has no obvious effect on the improvement of employees' practice ability, and the support of their superiors is not obtained, and the participation of employees is not high. After the training, there is no corresponding assessment, no attention, and no training effect. The foregoing situation has led to the general lack of professional competence of employees. The company's new employee induction training is mostly professional promotion, which does not effectively cover business

2022-01-08 03:00:05   

Binary build Kubenetes cluster

The environment is built in the same way as Kubeadm, using two nodes to build. 1 initialization # 关闭防火墙 systemctl stop firewalld systemctl disable firewalld # 关闭 selinux sed -i 's/enforcing/disabled/' /etc/selinux/config # 永久 setenforce 0 # 临时 # 关闭 swap swapoff -a # 临时 sed -ri 's/.*swap.*/#&/' /etc/fstab # 永久 # 根据规划设置主机名 主节点m1 工作节点n1 hostnamectl set-hostname <hostname> # 在 master 添加 hosts cat >> /etc/hosts << EOF master的ip m1 node的ip n1 EOF # 将桥接的 IPv4 流量传递到 iptables 的链 cat > /etc/sysctl.d/k8s.conf << EOF net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF sysctl

2022-01-08 02:59:58   

The video is too big, how can the video compression have no effect on the image quality?

Maybe because the pr rendering quality is too high, our video is too large to upload to the short video platform. If we go to compress the video, it may affect the original video quality. The following editor will take you to understand. How to compress our video without affecting the video quality. Let me show you the image quality after compression. I finished this short video of tiger, and the size of it exported in pr has reached more than 400 megabytes. Finally, I compressed the video to about 30 megabytes, but it has 4k Blu-ray The same effect, And it only took me less than a minute to

2022-01-08 02:59:48   

Common toolkits after installing Cent7 minimum

yum install lrzsz tree net-tools nmap vim bash-completion lsof dos2unix nc telnet ntp wget rng-tools psmisc screen -y 2. Optimization on yum source In centos6, the default is to download the rpm package from the official source. Because the foreign yum source is very slow and cannot be used, CentOS7 is optimized here. When we use yum to install the software, the default will not be downloaded from the official source. Instead, it automatically finds the yum source closest to its geographic location and starts downloading. 1 3. Command If you choose minimal when installing the system, it will

2022-01-08 02:59:43   

Quick start springboot web development (four) springboot controller filter, interceptor

Filter and interceptor of springboot controllerfilterFilter programming step 1: Create a filter classFilter programming step 2: Load filterFilter programming example: IP blacklistInterceptorInterceptor programming step 1: Create an interceptor classBasic code framework of interceptor classInterceptor programming step 2: Create an interceptor configuration classBasic code framework of interceptor configuration class filter ◼ Filters can dynamically intercept requests and responses. ◼ Application scenarios: filter sensitive words, prevent SQL injection, set character encoding, perform URL-level

2022-01-08 02:59:37   

The role of the server

A server/server is a computer used to process requests and transmit data to another computer via the Internet or local network. Most people understand the term "server" as a web server, in which web pages can be accessed on the Internet through a client such as a web browser. However, there are several types of servers, including local servers, such as file servers that store data in an intranet network. Although any computer running the necessary software can be used as a server, the most typical use of the term is to refer to huge, high-powered machines that act as pumps to push and extract

2022-01-08 02:59:29   

Redis study notes-quick start articles

Redis quick start 1. Redis overview 2. Redis common sense problem 3. Five data types 3.1String type 3.2 list 3.3 Unordered Set 3.4 ordered set Zset 3.5 Hash Table 4. Read the redis configuration file redis.conf 5.redis transaction 5.1 Theory 1. Redis overview Redis: REmote DIctionary Server (remote dictionary server) It is completely open source and free , written in C language , and complies with the BSD protocol . It is a high-performance (Key/Value) distributed memory database. It runs on memory and supports persistent NoSQL database. It is currently the most popular NoSQL database. One is

2022-01-08 02:59:22   

[WeChat Mini Program] Java Post Interviewed 12 Large Companies Successfully Changed Jobs

Preface Because of the epidemic this year, I feel that this is the longest year since I worked. The time spent at home is not an ordinary long, it counts as several months! I am probably the end of March, nearly four months before going out, cast over many resumes every day Interview Interview Interview Interview Interview Interview Interview ... Fortunately or ashore (hee hee happy happy). But in fact, the so-called fortune is piled up by hard work. My memory is relatively good. I memorized it and it was not difficult. I memorized 1,000 questions . . . (Note: I will share the 1000 questions

2022-01-08 02:59:13   

Change Exchange II

518. Change Exchange II Given coins of different denominations and a total amount. Write a function to calculate the number of coin combinations that can make up the total amount. Suppose there are infinite coins of each denomination. Example 1: Input: amount = 5, coins = [1, 2, 5] Output: 4 Explanation: There are four ways to make up the total amount: 5=5 5=2+2+1 5=2+1+1+1 5=1+1+1+1+1 递归 -> 记忆化搜索 -> 动态规划 -> 动态规划的优化 public class Coinsway { public static void main(String[] args) { int[] arr = {5, 10, 50, 100}; int aim = 1000; System.out.println(ways(arr, aim)); System.out.println(waysMemory(arr

2022-01-08 02:59:08   

DeFi oracle machine Umbrella Network and blockchain-based AI assistant platform VAIOT reach cooperation

According to official sources, Umbrella Network, a decentralized oracle service provider, recently announced a cooperation with VAIOT. VAIOT is a blockchain-based platform that provides a combination of virtual artificial intelligence assistants for enterprises and consumers to provide faster, easier, and cheaper automated services and transactions. Through this cooperation, Umbrella Network will include the VAIOT token price feed and provide it to the VAIOT platform. In addition, additional customized data feeds will be developed to support the off-chain data requirements of the VAIOT

2022-01-08 02:58:59